Part 10

=Corolla= The inner portion of perianth, composed of petals. The bright colored part of most flowers.

=Corymb= A flat-topped or convex flower cluster, blooming first at the edges.

=Corrugated= Shaped into grooves, folds, or wrinkles.

=Crenate= Having rounded teeth.

=Crown= The upper mass of branches, also known as head.

=Cyme= A flower cluster blooming from apex or middle first, usually somewhat flat.

=Cymose= In a cyme; cyme-like.

=Deciduous= Falling off, usually at the close of the season.

=Decurrent= Extending down the stem below the insertion.

=Defoliation= Removal of foliage.

=Dehiscent= Splitting open.

=Deltoid= Delta-like, triangular.

=Dentate= Toothed, usually with the teeth directed outward.

=Depressed= Flattened from above.

=Digitately-compound= With the members arising at the same point at the end or top of the support.

=Dioecious= Unisexual, with the two kinds of flowers on different plants.

=Disseminated= Scattered; thrown broadcast.

=Divergent= Pointing away; extending out. Said of buds which point away from the twigs.

=Downy= Covered with fine hairs.

=Drupaceous= Resembling or constructed like a drupe.

=Drupe= A fleshy fruit with a pit or stone.

=Elongated= Long drawn out.

=Emarginate= Having a shallow notch at the apex.

=Entire= Margin smooth, not cut or roughened.

=Epidermis= The outer layer or covering of plants.

=Exotic= Of foreign origin.

=Exudation= Oozing out of sap, resin, or milk.

=Falcate= Scythe-shaped.

=Fascicle= A cluster, usually dense.

=Fetid= Ill-smelling.

=Fibrous= Consisting of fibers; woven in texture.

=Filament= The stalk bearing the anther.

=Fissures= Grooves, furrows, or channels as in the bark.

=Flora= The complete system of plants found in a given area.

=Fluted= Grooved, corrugated, channeled.

=Follicles= A dry fruit of one carpel, splitting on one side only.

=Forestry= The rational treatment of woodlands for their products.

=Fruit= The seed-bearing product of a plant of whatever form.

=Fungus= A plant devoid of green color such as mushrooms and rots.

=Genus= A group of related species, as the pines or the oaks.

=Glabrous= Smooth, without hairs.

=Glandular= Bearing glands, or gland-like.

=Glaucous= Covered with a bluish or whitish waxy coating; a bloom.

=Globose= Ball-like, or nearly so.

=Globular= Ball-like.

=Habitat= The home of a plant.

=Head= A dense cluster of sessile flowers or the crown of a tree.

=Heartwood= The dead, central, usually highly colored portion of the trunk.

=Herbaceous= Herb-like, soft.

=Imbricated= Overlapping like the slate on a roof.

=Impressed= Hollowed or furrowed as if by pressure.

=Incomplete= Said of flowers in which one of the outer parts is wanting.

=Indigenous= Applied to plants that are native to a certain locality.

=Inflorescence= The flowering part of a plant, and especially its arrangement.

=Intolerant= Not shade enduring. Requiring sunlight.

=Involucre= A circle of bracts surrounding a flower or cluster of flowers.

=Irregular= Said of flowers showing inequality in the size, form, or union of similar parts.

=Keeled= With a central ridge, like the keel of a boat.

=Lanceolate= Shaped like a lance; several times longer than wide.

=Lateral= Situated on the side, as the buds along the side of the twig.

=Leaflet= One of the small blades or divisions of a compound leaf.

=Lenticel= A corky growth on young or sometimes older bark which admits air to the interior of the twig or branch.

=Linear= Line-like, long and narrow, with parallel edges.

=Lobed= Said of leaves that have the margins more or less cut or divided.

=Midrib= The central or main rib or vein of a leaf.

=Monoecious= Bearing stamens and pistils in separate flowers on the same plant.

=Mucronate= Tipped with a short, sharp point.

=Naval Stores= Refers to tar, turpentine, resin, etc.

=Nerve= One of the lines or veins running through a leaf.

=Node= A place on a twig where one or more leaves originate.

=Nut= A dry, 1-seeded, indehiscent fruit with a hard covering.

=Nutlet= A small nut.

=Ob-= A prefix meaning inverted or reversed.

=Oblique= Slanting, uneven.

=Oblong= About twice as long as wide, the sides nearly parallel.

=Obovate= Reversed egg shaped.

=Obtuse= Blunt.

=Odd-pinnate= With an odd or unpaired leaflet at the tip of the compound leaf.

=Opposite= Said of leaves and buds directly across from each other.

=Orbicular= Circular.

=Ovary= The part of the pistil producing the seed.

=Ovate= Egg-shaped in outline.

=Ovoid= Egg-shaped or nearly so.

=Palmate= Hand-shaped; radiately divided.

=Panicle= A compound flower cluster, the lower branches of which are longest and bloom first.

=Parasite= Growing upon and obtaining its nourishment from some other plant.

=Pedicel= The stalk of a single flower.

=Peduncle= The stalk of a flower cluster or of a solitary flower.

=Pendulous= Hanging.

=Perennial= Lasting for more than one year.

=Perfect= A flower with both stamens and pistils.

=Persistent= Remaining after blooming, fruiting, or maturing.

=Petal= The part of a corolla, usually colored.

=Petiole= The stalk of a leaf.

=Pinna= A division, part, or leaflet of a pinnate leaf.

=Pinnate= With leaflets on both sides of a stalk.

=Pistil= The central part of the flower containing the prospective seed.

=Pistillate= Bearing pistils but no stamens.

=Pith= The soft, central part of a twig.

=Pod= Any dry and dehiscent fruit.

=Pollen= The dust-like substance found in the anthers of a flower.

=Polygamous= With both perfect and imperfect, staminate or pistillate, flowers.

_Pome_ A fleshy fruit with a core, such as the apple.

=Prickle= A sharp-pointed, needle-like outgrowth.

=Psuedo-= A prefix meaning false, not true.

_Pubescent_ Hairy.

=Pungent= Ending in a sharp point; acrid.

=Pyramidal= Shaped like a pyramid with the broadest part near the base.

=Raceme= A simple inflorescence of flowers borne on pedicels of equal length and arranged on a common, elongated axis.

=Reflexed= Abruptly turned backward or downward.

=Regular= Said of flowers which are uniform in shape or structure.

=Rugose= Wrinkled.

=Saccharine= Pertaining to or having the qualities of sugar.

=Samara= An indehiscent winged fruit.

=Sapwood= The recently formed, usually light wood, lying outside of the heartwood.

=Scales= The small, modified leaves which protect the growing-point of a bud or the part of a cone which bears the seeds. The small flakes into which the outer bark of a tree divides.

=Scurfy= Covered with small bran-like scales.

=Sepal= One of the parts of the calyx.

=Serrate= Having sharp teeth pointing forward.

=Sessile= Seated; without a stalk.

=Sheath= A tubular envelope or covering.

=Shrub= A low woody growth which usually branches near the base.

=Silky= Covered with soft, straight, fine hairs.

=Simple= Consisting of one part, not compound.

=Sinuate= Having a strongly wavy margin.

=Sinus= The cleft or opening between two lobes.

=Species= A group of like individuals as Red Oak, White Oak, etc.

=Spike= An elongated axis bearing sessile flowers.

=Spine= A sharp woody outgrowth.

=Stamen= The part of a flower which bears the pollen.

=Staminate= Said of flowers which bear only stamens. Sometimes spoken of as male.

=Sterile= Barren; unproductive.

=Stigma= The end of a pistil through which pollination takes place.

=Stipule= A leaf appendage at the base of the leaf-stalk.

=Striate= Marked with fine elongated ridges or lines.

=Strobile= A fruit marked by overlapping scales as in the Pine, Birches, etc.

=Style= The pin-like portion of a pistil bearing the stigma.

=Sub-= A prefix meaning under or nearly.

=Sucker= A shoot arising from an underground bud.

=Suture= A line of dehiscence.

=Symmetrical= Regular as to the number of parts. Having the same number of parts in each circle.

=Terete= Having a circular transverse section.

=Terminal= Pertaining to buds located at the end of twigs.

=Thorn= A stiff, woody, sharp-pointed projection.

=Tolerant= Applied to trees which endure certain factors, particularly shade.

=Tomentum= A dense layer of hairs.

=Tomentose= Densely pubescent; hairy.

=Truncate= Ending abruptly as if cut off at the end.

=Tubercle= A small tuber or tuber-like body.

=Tufted= Growing in clusters.

=Umbel= A flower-cluster with all the pedicels arising from the same point.

=Valvate= Said of buds in which the scales merely meet without overlapping.

=Vegetative= Said of buds which do not contain reproductive organs.

=Veins= Threads of fibro-vascular tissue in leaves or other organs.

=Viscid= Glutinous; sticky.

=Whorl= A group of three or more similar organs, as leaves or buds, arranged about the same place of attachment.

=Whorled= Borne in a whorl.

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Transcriber’s Notes

Obvious typographical errors have been silently corrected. All other variations in hyphenation spelling and punctuation remain unchanged.

Italics are represented thus _italic_ and bold thus =bold=.