34^ GLOSSARY. 



suckles, some osiers (as Cornus stolonifera], and many 

 other bushes with long and slender branches, propagate 

 by- means of stolons. The black raspberry propagates 

 by a special kind of stolon, rooting only at its tip. 



Stool. A clump or mass of roots or rootstocks which may 



be readily divided for purposes of propagation. Fig. 27. 



An established root of a bush-like plant from which 



shoots are grown for the purpose of layering. Page 39. 



Stool-layering. See Mound-layering. 



Stove. The warmest portion or compartment of glass- 

 houses, used for tropical plants. 



Stratification. The operation of burying seeds, usually in 

 layers, in order to keep them viable and to soften their 

 integuments. Page 15. 



Striking. A term applied to the forming or emitting of 

 roots on layers or cuttings. A cutting is struck when it 

 has made roots. 



Stub. See Cleft-grafting. 



Sucker. A shoot sent up from the roots, more particularly 

 one which it is not desired shall grow. Also used for 

 strong and mischievous shoots in the top of a tree. See 

 Watersprout. 



Tip. The plant formed at the end of a stolon when it strikes 

 the ground. The black raspberry propagates naturally 

 by tips. Fig. 28. The branches of other plants, like 

 the currant, can be made to strike at the tip when they 

 are bent over and fastened in the ground. 



Tongue-grafting. See Whip-grafting. 



Top-grafting. Grafting the top or branches of a tree or 

 bush. Pages 107, 122. Figs. ; 27-132.' 



Tuber. As used in this book, a prominently thickened and 

 turgid homogeneous portion of a root or stem, usually 

 subterranean, and which generally does not increase or 



