344 GLOSSARY. 



Root-grafting. Grafting upon a root. Pages 107, 109. 

 Figs. 103, 104. See also, Figs. 144-152. 



Rootstock. See Rhizome. 



Root-tip. See Tip. 



Saddle-grafting. That method of grafting in which the 

 stock is cut wedge-shape, and the cion is cleft and 

 slipped down over the wedge. Fig. 109. 



Scion. See Cion. 



Seed. The reproductive body which results from a flower, 

 and which is the product of sexual union. It is a 

 ripened ovule. The rudimentary plantlet which it con- 

 tains is the embryo. 



Seedage. The process or operation of propagating by seeds 

 or spores, or the state or condition of being propagated 

 by seeds or spores. [Word first used by the present 

 author in 26th Report of the State Board of Agriculture 

 of Michigan, p. 430 (1887).] See Chapter I. 



Seed-grafting. The insertion of a seed, as a cion, in a 

 stock. Page 131. 



Seedling. A plant growing directly from the seed without 

 the intervention of graftage. If it is used upon which 

 to graft or bud, it is known as a free stock. 



Separation. The act or process of multiplying plants by 

 means of naturally detachable vegetative organs, or the 

 state or condition of being so multiplied. [First tech- 

 nically used in this meaning in 26th Report of the State 

 Board of Agriculture of Michigan, p. 432 (1887).] See 

 Chapter II. 



Set. An indefinite term applied to various vegetative parts 

 which are used for purposes of propagation. It may 

 designate a root cutting (Fig. 64), or a small bulb (as in 

 the onion). 



Shield-budding. That method of budding which makes a 

 T-shaped incision on the stock (Fig. 90), and inserts a 

 shield-shaped bud (Fig. 85) into the opening (Fig. 91). 

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