GLOSSARY. 291 



Strain. A sub-variety, or individuals of a variety, which has 

 been improved and bred under known conditions. 



Stub. A portion of a trunk or branch which has been recently 

 grafted. Usually applied to top-grafting. 



Style. The more or less slender portion of the pistil connect- 

 ing the stigma and ovary. 



Tongue-graft. Whip-graft. 



Top-grafting. Grafting upon the top of a plant. 



Tree. A woody plant attaining the height of a man or more, 

 and having a definite central stem or trunk. 



Truss. Loosely applied to clusters of flowers or fruits. 



Tuber. A prominently thickened root or stem, usually subter- 

 ranean. 



Umbel. A flower-cluster which is flat or flattish on top, and 

 whose pedicels start from a common point, or nearly so. 



Variety-hybrid. A cross between varieties of the same 

 species ; half-breed ; cross-breed ; mongrel. 



Vegetable. 1. A plant. 2. In horticulture, an edible por- 

 tion of an annual plant ; kitchen-garden vegetable. In the 

 latter sense a loose term. 



Vegetable-gardening. The cultivation of kitchen-garden 

 vegetables ; olericulture. 



Vegetation. 1. Vegetable or plant life. 2. The process or 

 act of vegetating or growing. 



Veneer-graft. A sort of grafting in which the scion is applied 

 to the side of the stock, only the bark being removed be- 

 tween them. 



Viticulture. Grape -culture. 



"Weed. A plant which grows where it is not wanted and 

 which becomes troublesome. 



"Whip-graft. A species of grafting in which the scion is 

 secured to the stock by means of a tongue which is inserted 

 in a cleft in the stock ; tongue-graft. 



"Wilding. A wild or uncultivated plant. Commonly used to 

 designate the wild individuals of a cultivated species. 



"Wind-shake. An injury to the trunk of a tree, consisting of 

 the more or less complete separation of the concentric 



