Part 61

INFLA´TED, swollen like a bladder.

INFLEXED´ (_inflexus_, pp. _inflexere_, bent), bent inward.

INFUNDIB´ULIFORM (_infundibulum_, a funnel; _forma_, form), funnel-shaped.

INHIBIT´ION (_inhibitio(n-)_, a restraining, < _inhibere_, restrain), the lowering of the action of a nervous mechanism by nervous impulses reaching it from a connected mechanism.

IN´NATE (_innatus_, pp. of _innasci_, < _in_, into; _nascor_, to be born), originating within the substance of the plant or matrix; appearing to be within or blending with the substance of a part.

INORGAN´IC, not produced by vital processes; not organic.

ISABELLA COLOR (_alutaceus_), a light grayish-cinnamon color, or light buff-brown.

INSER´TED (_insertus_, pp. _inserere_, to insert), growing like a graft from its stock; attached to or growing out of some other part.

INSITI´TIOUS (_insitio_, an ingrafting, < _inserere_, pp. _insitus_, sow or plant, ingraft), inserted.

INTER- (_L._—in the midst, between, among, during), prefix signifying “between” or “among” or “during.”

INTER´CALARY, INTER´CALATED (_intercalatus_, pp. of _intercalare_, < _inter_, between, + _calare_, call), interposed; inserted between.

INTERCELL´ULAR (_inter_, between, + _cellula_, cellule, + ar), situated between the cells.

INTERRUPT´ED, said of any surface or series the continuity of which is broken.

INTER´STICES, spaces between any surfaces or things.

INTRA- (_intra_, within), prefix signifying “within.”

INTRACELL´ULAR, situated within a cell or cells.

INTRALAM´ELLAR, situated within or between the plates of the lamellæ (gills).

INTRAVENAL (_intra_, within, + _vena_, vein), situated or occurring within veins.

INTRODUCED´, applied to plants brought from another country and growing spontaneously.

INTUMES´CENT (_intumescens_, ppr. of _intumescere_, swell up), swelling up, becoming tumid.

INVAG´INATED (_in_, in, + _vagina_, a sheath), sheathed.

IN´VOLUTE (_involutus_, pp. _involvere_, to roll up), rolled inwards.

ISABEL´LINE, of the color of soiled linen or sole leather; alutaceous; brownish-yellow, yellowish-gray.

LA´BIATE (_labiatus_, lipped, < _labium_, lip), said of an aperture with distinct lip-like borders.

LABYRIN´THINE, LABYRIN´THIFORM (_labyrinthus_, labyrinth), characterized by intricate and sinuous lines; like a labyrinth.

LAC´CATE (_laccatus_, < _lacca_, lac), as if varnished or covered with a coat like sealing wax.

LAC´ERATE, LAC´ERATED, as if torn.

LACIN´IATE (_laciniatus_, < _lacinia_, a lappet), divided into flaps; irregularly cut into jagged edges, more regular and larger than fimbriate.

LACTES´CENT (_lactescere_, turn to milk), milk-bearing, provided with a milky juice.

LACU´NA (pl. LACU´NÆ) (_lacuna_, a pit, hollow, cavity, etc.), a pit or hollow, a gap; a vacancy caused by the admission, loss or obliteration of something necessary to continuity or completeness.

LACU´NOSE, LACU´NOUS (_lacunosus_, full of hollows, < _lacuna_, a pit), marked with small hollows, pitted; having or full of lac.

LAMEL´LA (pl. LAMEL´LÆ) (_lamella_, a thin piece of metal, wood), a gill or gills of mushrooms, on which the hymenium is extended.

LA´NATE (_lanatus_, woolly, < _lana_, wool), woolly; covered with a wool-like pubescence.

LAN´CEOLATE (_lanceolatus_, < _lanceola_, a little spear), lance-shaped; tapering to both ends.

LAT´ERAL, attached to or by one side.

LATERIC´EOUS, LATERIT´IOUS (_latericeus_, _lateritius_, consisting of bricks, < _later_, a brick), brick-colored.

LA´TEX (_latex_, liquid; _ferre_, bear), thick milky juice.

LATICIF´EROUS (_latex_, liquid, + _ferre_, bear), applied to the tubes containing latex, as in the Lactarii.

LAT´TICED, formed by interlacing and crossing lines or columns which leave open spaces between.

LAVENDER (_lavendulaceus_), a very pale purplish color, paler and more delicate than lilac.

LAX (_laxus_, loose, slack), not compact, limber, flaccid.

LEAD-COLOR (_plumbeus_), same as PLUMBEOUS.

LEMON-YELLOW (_citreus_, _citrinus_), a very pure light-yellow color, much like gamboge, but purer and richer.

LENTIC´ULAR, LEN´TIFORM (_lenticularis_, lentil-shaped, < _lenticula_, a lentil), shaped like a double convex lens; lentil-shaped.

LEP´IDOTE (_Gr_—scaly), scurfy with minute scales.

LEUCOS´PORÆ (_Gr_—white; _Gr_—seed), a group of fungi having white spores, hence _leucospore_, a white spore; _leucosporous_, having spores of a white color.

LEV´IGATE (_levigatus_, pp. of _levigare_, make smooth), having a polished surface.

LIG´NATILE (_lignatilis_, < _lignum_, wood), growing on wood.

LIG´NEOUS (_ligneus_, wooden), of woody texture.

LIG´ULATE (_ligula_, a tongue, strap, etc., + ate), strap-shaped, flattened like a strap.

LILAC, LILACEOUS (_lilacinus_, _lilaceus_), a light-purple color, like the flowers of the lilac.

LIN´EAR (_linearis_, < _linea_, a line), narrow and straight, slender.

LING´UIFORM, LING´ULATE (_lingua_, tongue), tongue-shaped.

LIVID (_lividus_, black-and-blue), bluish-black, like the black and blue of a bruise.

LOBED, LO´BATE (_Gr_—the lobe of an ear), having divisions which are large and rounded.

LOB´ULATE, having small lobes.

LOC´ULAR, LOC´ULATE, LOC´ULOSE, LOC´ULOUS (_loculus_, a box, cell), divided by internal partitions into loculi or cells.

LOC´ULUS (pl. LOC´ULI), a little chamber or cell.

LU´CID (_lucidus_, light, bright, clear), clear, transparent, bright.

LU´MEN (_lumen_, a window-light), the internal cavity or spaces in a cell or any tubular organ.

LU´RID (_luridus_, pale-yellow, wan, etc.), a color between purple, yellow and gray; livid.

LU´TEOUS (_luteus_), yellowish; more or less like buff or clay color.

LUTES´CENT (_lutescen(t-)s_, ppr. of _lutescere_, turn to mud, < _lutum_, mud), yellowish.

MACRO- (_Gr_—long), in composition “large” or “long.”

MAC´ULATE, MAC´ULAR, MAC´ULOSE (_maculatus_, pp. of _maculare_, spot, speckle), spotted.

MAM´MIFORM (_mamma_, a breast; _forma_, form), breast-shaped; mastoid; teat-like.

MAR´GINAL VEIL, a horizontal membrane extending from the margin of the pileus to the stem; found in Hymenomycetes.

MAR´GINATE, having a well-defined border.

MAROON (_atro-purpureus_, _atro-coccineus_), a rich brownish-crimson, nearly like the pigment called purple madder; claret color.

MA´TRIX (_matrix_, a womb), the substance upon or in which a fungus grows.

MAUVE (_malvaceus_, _malvinus_), a light tint of violet. (Aniline violet + white.)

MEDIAL (_medialis_, < _medius_, the middle), applied to ring when situated about at the middle of stem.

MEDUL´LA (_medulla_, marrow, pith, kernel, < _medius_, middle), pith, marrow, kernel; inner substance as distinguished from outer or cortical layer or layers.

MED´ULLARY, composed of or pertaining to a medulla.

MEGA- (_Gr_—great, large), prefix signifying “great.”

MELANOS´PORÆ (_Gr_—black, —seed), a group of fungi having black spores.

MEMBRANA´CEOUS (_membranaceus_, of skin or membrane, < _membrana_, skin, membrane), pertaining to, or of the nature of, skin, membrane; membranaceous; thin, rather soft and pliable.

MERIS´MOID (_merisma_, from _Gr_—to divide, + —form), applied to pileus which is subdivided into many smaller pilei; resembling a Merisma; having a branched or laciniate pileus.

MES´OPOD (_Gr_—middle, + —foot), plant having a central stem.

MICA´CEOUS (_micaceus_, < _mica_, mica), covered with glistening mica-like particles.

MI´CRON, MI´KRON, [Greek: m];, microscopic unit of measure; 1⁄1000 of a millimeter; nearly .00004 inch; to convert inches to microns, approximately, divide by .00004; represented by the Greek letter [Greek: m], following the number.

MILLIMETER, MM. (_mille_, a thousand, + meter), the thousandth part of a meter, equal to 0.03937 inch or nearly, 1⁄25 inch. It is denoted by mm., as 25.4 mm. is 1 inch.

MIN´IATE (_miniatus_, pp. of _miniare_, color with red lead, < _minium_, red lead), vermilion-colored; of a bright, vivid red color.

MI´TRATE, MIT´RIFORM (_mitra_, a miter), miter-shaped, bonnet-shaped.

MOLD, MOULD, fine soft earth; a general term to describe certain fungus growths of a low type.

MONIL´IFORM (_monile_, necklace; _forma_, form), contracted at intervals in the length like a string of beads.

MONOS´TICHOUS (_Gr_—single, + —a line), arranged in one row.

MON´STROUS, of unnatural formation; deviating greatly from the natural form or structure (has no reference to size).

MORPHOLOG´IC, MORPHOLOG´ICAL, of or pertaining to morphology.

MORPHOL´OGY (_Gr_—form, + —speak), the science of organic form; the science of of outer form and internal structure.

MOTHER-CELL, a cell from which another is derived.

MOUSE-GRAY (_murino-griseus_; _murinus_). (Lamp-black + white + sepia.)

MOV´ABLE, applied to a ring which has separated from the stem and can be moved up and down.

MUCED´INOUS (_mucedo_, mucus), having the character of or resembling mold or mildew.

MU´CID (_mucidus_, moldy, < _mucere_, be moldy or musty, < _mucus_, mucus), musty, moldy, slimy.

MUCILAG´INOUS (_mucilago_, a moldy, musty juice, + ous), slimy, ropy, slightly viscid, soft, moist.

MU´COUS (_mucosus_, slimy, < _mucus_, slime), pertaining to mucus, or resembling it; slimy, ropy, lubricous.

MU´CRO (_L._—a sharp point, esp. of a sword), a short and abrupt point of a leaf or other organ.

MU´CRONATE (_mucronatus_, pointed, < _mucro_, a sharp point), tipped with an abrupt, sharp short point.

MULTI- (_multus_, much, many), in composition “many.”

MUL´TIFID (_multifidus_, many-cleft), having many divisions.

MULTIPAR´TITE (_multipartitus_, much divided), divided into many parts.

MULTISEP´TATE (as if _multiseptatus_, < _multus_, many, + _septum_, a partition), divided by many partitions.

MU´RICATE (_muricatus_, pointed), rough with short hard points.

MURIC´ULATE (_muriculatus_, dim. of _muricatus_, pointed), finely muricate.

MU´RIFORM (_murus_, wall, + _forma_, shape), resembling the arrangement of the bricks in the walls of a house; said of spores having septa at right angles to each other.

MU´RINE, MU´RINOUS (_murinus_, of a mouse), mouse-colored.

MUSH´ROOM, a cryptogamic plant of the class fungi: applied in a general sense to almost any of the larger, conspicuous fungi, such as toadstools, puff-balls, hydnei, etc., but more particularly to the agaricoid fungi and especially to the edible forms.

MU´TUALISM, symbiosis of two organisms living together and mutually helping and supporting each other.

MYC, MYCET, MYCETO, MYCO, prefix signifying “fungus.”

MYCE´LIAL, of or pertaining to mycelium.

MYCE´LIUM (_Gr_—a fungus, + an excrescence), spawn of fungi resulting from the germination of spores; in agarics _e. g._ forming root-like threads; the weft of threads from which the mushroom arises.

MYCE´LIOID, like mycelium.

MYC´ELOID, like a fungus.

MYCETOL´OGY (_Gr_—a fungus, + —speak), mycology.

MYCOLOG´ICAL, relating to fungi.

MYCOL´OGIST, one who is versed in mycology.

MYCOL´OGY (_Gr_—a fungus, + —speak), the science of fungi, their structure, classification, etc.

MYCOPH´AGIST, one who eats fungi.

MYCOPH´AGY (_Gr_—a fungus, + —eat), the eating of fungi.

NA´KED, bare; without covering of any kind, as of an enveloping membrane, pruinose, farinaceous or furfuraceous particles, tomentum, fragments of volva or veil, etc.

NAP´IFORM (_napus_, a turnip, + _forma_, form), turnip-shaped.

NARROW, of a very slight vertical width.

NAS´CENT (_nascen(t)s_, ppr. of _nasci_, be born), in the earliest rudimentary condition; beginning to exist or to grow.

NAT´URALIZED, said of a plant of foreign origin which thrives as if indigenous.

NAVIC´ULAR, NAVICULOID (_navicula_, a small ship or boat), boat-shaped; scaphoid.

NETTED, covered with projecting, reticulated lines.

NIGRES´CENT, NIG´RICANT (_nigrescen(t-)s_, ppr. of _nigrescere_, become black, grow dark), becoming black, also blackish, dusky, fuscous.

NIT´ID, NIT´IDUS (_nitidus_, shining, bright, < _nitere_, to shine), lustrous, shining, polished.

NI´VEOUS (_niveus_, snowy, < _nix_, snow), snow-white.

NOD´ULE (_nodulus_, a little knot, dim. of _nodus_, a knot), a little knot or lump.

NOD´ULOSE, NOD´ULOUS (_nodulosus_, < _nodulus_, a little knot), having little swellings, knotty.

NON-, not; prefix giving a negative sense to words.

NU´CLEATE, NU´CLEATED (_nucleatus_, having a kernel), having a nucleus or nuclei.

NUCLE´OLUS (pl. NUCLEI) (_nucleolus_, dim. of _nucleus_, a little nut), sharply defined point often seen in the nucleus.

NU´CLEUS (pl. NU´CLEI) (_nucleus_, a little nut, kernel, stone of a fruit); the central, highly differentiated mass of protoplasm in a spore or other cells of a fungus, controlling cell division and reproduction, functionally the most important portion of a cell, for in it the process of cell division begins; sometimes improperly applied to the oil globules or guttulæ and the vacuoles within some spores.

OB-, in composition “inversely.”

OBCLA´VATE (as if _obclavatus_, < _ob_, from; _clava_, a club), inversely club-shaped.

OBCON´IC, OBCON´ICAL (_ob_; _conus_, a cone), inversely conical.

OBCOR´DATE (_ob_; _cordatus_, heart-shaped), like an inverted heart.

OBESE´ (_obesus_, fat), stout, plump.

OB´LIGATE-PARASITE, can only grow as a parasite; see facultative parasite.

OB´LIGATE-SAPROPHYTE, can only grow as a saprophyte. See FACULTATIVE SAPROPHYTE.

OB´LONG, two or three times longer than broad, with nearly parallel sides.

OBO´VATE, inversely ovate, having the broad end upward or toward the apex.

OBPYR´IFORM (_ob_ + _pyriform_, pear-shaped), inversely pear-shaped.

OB´SOLETE, indistinct, very imperfectly developed; hardly perceptible.

OBTUSE´, blunt or rounded.

OCHRA´CEOUS, O´CHEROUS, O´CHREOUS, O´CHROID, O´CHRY, O´CHROUS, O´CHERY (_ochre_, ocher, + aceous), ocher-yellow; brownish-yellow.

OCHRA´CEOUS-RUFOUS (_ochraceo-rufus_). (Yellow ocher + burnt sienna + light red.)

OCHRE YELLOW (_ochraceo-flavus_). The color of the pigment called yellow ocher.

OCHROS´PORÆ (_Gr_—pale yellow), a group of fungi having ocher or brown-colored spores.

OLEAG´INOUS (_oleum_, oil), oily or oil-like.

OLIVA´CEOUS, OLIVE (_olivaceus_, _olivinus_), a greenish-brown color like that of olives (Sepia + light zinnober-green.)

OLIVE-BUFF (_olivaceo-luteus_). (Yellow ocher + cobalt-blue + white.)

OLIVE-GREEN (_olivaceo-viridis_), a peculiar color, produced by the mixture of yellow and gray, resulting in a tint somewhat between olive and dull yellowish-green.

OLIVE-YELLOW (_olivaceo-flavus_). (Light-cadmium + black + white.)

OPAQUE´, OPAKE´, mostly used in the sense of dull, not shining.

OPER´CULUM (_operculum_, a lid, cover, < _operire_, cover, shut, conceal), a lid-like cover.

ORANGE (_aurantius_), a deep reddish-yellow like the rind of an orange.

ORANGE-RUFOUS (_aurantio-rufus_). (Neutral-orange or cadmium-orange + light-red.)

ORANGE-YELLOW (_aurantio-flavus_), a color intermediate between orange and yellow.

ORBIC´ULAR (_orbicularis_, < _orbiculus_, a little disk), having the form of an orb; having the shape of a flat body nearly circular in outline.

ORDER, the most important unit of classification above the genus.

ORGAN´IC, pertaining to either living or dead animal or vegetable organism.

OS´MOSE (_osmosis_, thrust, push, impel), the impulse or tendency of fluids to pass through membranes and mix or become diffused through each other.

OSMO´SIS (_Gr_—impulsion, pushing), the diffusion of fluids through membranes; see osmose.

OSMOT´IC, of or pertaining to or characterized by osmose.

OS´TIOLE, OSTI´OLUM (_ostiolum_, a little door), mouth of the perithecium; orifice through which the spores are discharged.

O´VATE (_ovatus_, egg-shaped), egg-shaped; having a figure the shape of a longitudinal section of an egg.

O´VOID (_ovum_, egg, + _Gr_—form), egg-shaped; used to describe solids.

PALES´CENT, inclining to paleness; becoming pallid.

PAL´LID, pale, undecided color.

PAL´UDINE, PALU´DINOUS, PAL´UDOSE, PALUS´TRINE (_palus_ (_palud-_), a swamp), growing in marshes or swamps.

PAPIL´IONA´CEOUS (_papilio(n-)_, butterfly), variegated; mottled; marked with different colors; as the lamellæ of some species of Panæolus mottled with black spores.

PAPIL´LA (pl. PAPIL´LÆ) (_papilla_, a nipple, a teat, also a bud, pimple, dim. of _papula_, a pustule), a small nipple-shaped elevation.

PAP´ILLATE (_papillatus_, < _papilla_, a nipple), furnished with one or more nipple-like elevations.

PAPIL´LIFORM, PAPIL´LÆFORM, shaped like a papilla.

PAPYRA´CEOUS (_papyraceus_, < _papyrus_, paper), parchment; resembling the material covering a hornet’s nest; pergamentous.

PARAPH´YSIS (pl. PARAPH´YSES) (_Gr_—an off-shoot), slender, thread-like bodies growing with the asci; sterile cells usually club-shaped found with the reproductive cells of some plants.

PAR´ASITE (_Gr_—one who eats at another’s table, a guest), a plant growing on or in another living body from which it derives all or part of its nourishment.

PARASIT´IC, growing on and deriving support from another plant.

PAREN´CHYMA (_Gr_—the peculiar tissue of the lungs, liver, kidney and spleen), the fundamental cellular tissue of plants composed of thin walled, approximately isodiametric cells; absent in fungi. See PSEUDOPARENCHYMA and PROSENCHYMA.

PARENCHYM´ATOUS, pertaining to, containing, consisting of or resembling parenchyma.

PA´RIES (pl. PARI´ETIES), wall of a cavity or capsule.

PARI´ETAL (_parietalis_, belonging to walls, < _paries_ (_pariet-_), a wall), pertaining to or arising from a wall.

PAR´TIAL (_partialis_, divisible, solitary, < _pars_, a part), secondary; of a veil clothing the stem and reaching to the edge of the pileus, but not extending beyond it; marginal.

PAT´ELLATE (_patella_, a small pan or dish, a plate), shaped like a dish.

PATELL´IFORM (_patella_, a pan, dish; _forma_, form), having the shape of a patella or knee pan.

PATENT (_paten(t)s_, ppr. _patere_, lie open), spreading, diverging widely.

PEA GREEN, a pale, dull green color like the color of green pea pods.

PEARL BLUE, a very pale, purplish-blue color.

PEARL GRAY (_margaritaceus_), a very pale, delicate, blue-gray color.

PEC´TINATE (_pectinatus_, comb-like, pp. _pectinare_, < _pecten_, a comb), with narrow teeth, arranged as in a comb.

PED´ICEL (_pediculus_, a little foot), foot stalk; any short, very small, stem-like stalk.

PED´ICELLATE (_pedicellus_, dim. of _pediculus_, a little foot), having a pedicel or little foot stalk.

PEL´LICLE (_pellicula_, a small skin, dim. of _pellis_, skin), a little or thin skin, a cuticle; same as cortical layer and cuticle.

PELLIC´ULOSE (_pelliculosus_, < _pellicula_, dim. of _pellis_, skin), furnished with a pellicle or distinct skin.

PELLU´CID (_pellucidus_, _perlucidus_, transparent, < _pellucere_, _perlucere_, shine through, be transparent), admitting the passage of light, transparent, translucent.

PEL´TATE (_peltatus_, armed with a light shield, < _pelta_, a light shield), formed like a shield and fixed to the stalk by the center, or by some point distinctly within the margin.

PEN´CILED (_pencillum_, a painter’s brush), marked with fine lines; with pencil-like hairs either on the tip or border.

PEN´DULOUS, hanging down.

PEN´ICILLATE (_penicillus_, a pencil), pencil-shaped; having a tuft of short hairs resembling a camel’s-hair brush.

PEREN´NIAL (_perennis_, lasting the year through, < _per_, through, + _annus_, year), continuing growth from year to year.

PERGAME´NEOUS (_pergamena_, parchment, + eous), like parchment.

PERICLI´NAL (_Gr_—sloping on all sides + al), said of wall cells or any lines when parallel with the outer surface.

PERIDI´OLUM (dim. of peridium), a secondary or interior peridium containing a hymenium.

PERID´IUM (pl. PERID´IA) (_Gr_—a pouch, wallet), the outer enveloping coat of the sporophore in angiocarpous fungi, as in puff-balls.

PERIPH´ERAL, of, belonging to or situated on the periphery.

PERIPH´ERY (_peripheria_, the line around a circle, circumference, part of a circle), the exterior surface of any body.

PER´ISTOME (_peristomium_, around a mouth), toothed or variously shaped ring around the mouth or orifice for discharge of spores in a peridium.

PERITHE´CIUM (pl. PERITHE´CIA) (_Gr_—a lid), cup-shaped ascocarp with the margin incurved so as to form a narrow, mouthed cavity; the case or hollow shell which contains the spores.

PER´ONATE (_peronatus_, < _pero_, a kind of high boot), sheathed, booted; said of the stem when it has a boot-like or stocking-like covering.

PERSIS´TENT, enduring, continuing without withering, decaying or falling off.

PER´SONATE (_personatus_, masked, < _persona_, mask), masked or disguised in any way.

PER´VIOUS (_pervius_, passable; < _per_, through; _via_, a way), having an open tube-like passage.

PEZI´ZOID, resembling a Peziza.

PI´LEATE (_pileatus_, capped, bonneted), having a cap or pileus.

PILE´OLUS (pl. PILEOLI) (_pileolus_, dim. of _pileus_, a hat), secondary pileus, arising from the division of a primary pileus; a little pileus.

PI´LEUS (pl. PI´LEI) (_pileus_, a hat), a part of the receptacle of a fungus, _e. g._ the cap-like heads of agarics; it may be stipitate, sessile, dimidiate, regular or irregular in form.

PILIF´EROUS, PILIG´EROUS, PI´LOSE, PI´LOUS (_pilus_, hair, + _ferre_, bear), covered with hair, especially with fine or soft hair.

PI´LOSE (_pilosus_, < _pilus_, a hair), covered with hairs; furry.

PINK (_caryophyllaceus_), a dilute, rose-red color.

PINKISH-BUFF (_caryophyllaceo-luteus_). (Yellow-ocher + light-red + white.)

PINKISH-VINACEOUS (_caryophyllaceo-vinaceus_). (Indian-red + white.)

PIP-SHAPED, the shape of an apple seed.

PI´SIFORM (_pisum_, a pea, + _forma_, form), pea-shaped.

PITH (pit, marrow, kernel), central stuffing in some stems.

PITS (_puteus_, a well, a pit), depressions in tubes or cells resembling pores; applied also to hollow depressions in the surface of the cap of the Morell.

PIT´TED, covered with pits or small depressions.

PLACEN´TIFORM (_placenta_, placenta, + _forma_, form), in the form of a thickened circular disk depressed in the middle, both above and below.

PLANE, having a flat surface.

PLI´CATE (_plicatus_, fold, bend), folded like a fan; plaited.

PLUM´BEOUS (_plumbeus_), a deep, bluish-gray color like tarnished lead; lead-color. (Lamp-black + intense blue + white.)

PLU´MOSE, PLU´MOUS (_plumosus_, full of feathers or down), feathery or feathered.

PLURI-, prefixed has the significance of “many.”

PNEUMOGAS´TRIC (_Gr_—lung, + —stomach), pertaining to the lungs and stomach, or to the functions of respiration and digestion; in anatomy noting several nervous structures.

POC´ULIFORM (_poculum_, cup, + _forma_, form), cup-shaped.

POLY-, a prefix meaning “many.”

POLYG´ONAL, having many angles.

POLYMOR´PHISM, POL´YMORPHY, existence in or exhibition by the same species or group of different types of structure.

POLYMOR´PHOUS (_Gr_—multiform, manifold), varying much in appearance, form or structure in the same species or group; characterized by polymorphism.

POLYS´TICHOUS (_Gr_—many, +—row, line), arranged in many rows.

PORE (_porus_, a pore), in Pyrenomycetes same as ostiole; in Hymenomycetes same as tubulus or tube, as the tubules of Polypores; also the mouth of a tubulus.

PO´RIFORM (_porus_, a pore; _forma_, form), in the form of pores.

PO´ROSE, PO´ROUS (_porosus_, < _porus_, a pore), furnished with pores or tubules; pierced with small holes.

PORPHYROS´PORE (_Gr_—purple, +—seed), a group of fungi having purple spores.

PORRECT´ (_porrectus_, pp. of _porrigere_, stretch out before, reach out, extend, < _por_, forth, + _regere_, stretch, direct), extended forward; stretched forth horizontally.