CHAPTER VII.

Pollination 286-298 General Requirements 287 Methods 291 Crossing of Flowerless Plants 297

NURSERY.--_An establishment for the rearing of plants. In America the word is commonly used in connection with the propagation of woody plants only, as fruit-trees and ornamental trees and shrubs. This is erroneous. The word properly includes the propagation of all plants by whatever means, and in this sense it is used in this book._

Tabular Statement of the Ways in which Plants are Propagated.

_A._ By Seeds.--_Seedage._

{ { { Root-tips. { { { Runners. { { 1. By { Layers proper: { { undetached { Simple. { { parts.-- { Serpentine. { { _Layerage._ { Mound. { { { Pot or Chinese. { { { I. On their { { 1. By undivided parts.-- { own roots. { { _Separation_ (Bulbs, corms, { { { bulbels, bulblets, { { { bulb-scales, tubers, etc). { { { { { 2. By detached { { Division. { { parts. { 2. By divided { Cuttings { { { parts.-- { proper: { { { _Cuttage._ { Of tubers. _B._ { { { { Of roots. By Buds. { { { { Of stems. { { { { Of leaves. { { { { I. Budding: Shield, flute, { { { veneer, ring, annular, { { { whistle or tubular. { { { { { { II. Grafting: { { { Whip. { II. On roots { { Saddle. { of other { 1. By detached { Splice. { plants.-- { scions. { Veneer. { _Graftage._ { { Cleft. { { { Bark. { { { Herbaceous. { { { Seed. { { { Double. { { { Cutting. { { 2. By undetached scions.--Inarching.