346 GLOSSARY. 



suckles, some osiers (as Corniis s/o/oni/o'a), and many 

 other buslies with lunij 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 di\'ided for purposes of propagation. Fig. 27. 



An established root of a bush-like plant from which 



shoots are grown for tlie purpose of layering. I'age 39. 



Stool-layering. See Mound-layering. 



Stove. Tile H'.irmest portion or compartment of glass- 

 houses, used for tropical plants. 



Stratification. The operation of burying seeds, usually in 

 layers, in order to keep them \iable and to solten their 

 integuments. Page 15. 



Striking. A term applied to tlie forming or emitting of 

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

 has made roots. 



Stub. See Clelt-grafting. 



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

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

 strung and mischievous shoots in tlie top ot a tree. See 

 Watersprout. 



Tip. Tile [ilant formed at the end of a stolon \\iien it strikes 

 the ground. Tlie black ras|il>erry propag.ites n.itur.illy 

 by tips. Fig. 2^. 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. Gratting the tO]:) or branches of a tree or 

 bush. Pages 107, 122. P'igs. : 27-132.' 



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

 turgid homogeneous porliuii of a root or stem, usually 

 subterranean, and xvhich generally does not increase or 



