Glossary. 211 



Seed. The sexual reproductive organ of flowering plants ; a 



ripened ovule. Its essential part is the embryo, or rudimentary 



plantlet. 

 Seedage. The process of propagation by seeds, or the state or 



condition of being propagated by seeds. 

 Seed-germ. The rudimentary plant contained in the seed ; em- 

 bryo. 

 Seedling. A plant growing directly from the seed, without the 



intervention of grafts or cuttings. 

 Self-fertilization, The action of pollen upon a pistil of the same 



flower ; close-fertilization. 

 Self-pollination. The transfer of pollen to a pistil of the same 



flower. 

 Spore. The reproductive body of a flowerless plant, answering 



to the seed of a flowering plant. It contains no embryo. 

 Spur. A very short and small branch bearing leaves or flowers. 

 Stalk. In descriptions of apples and similar fruits, the stem or 



pedicel. 

 Stamen. That portion of the flower which bears the pollen. It 



consists of the anther and filament. It is the male organ of 



the plant. 

 Staminate. Bearing stamens alone ; male. 

 Stem. That portion of the plant which bears leaves or buds, or 



both. It may be aerial or subterranean. 

 Stigma. The upper extremity of the pistil upon which the pollen 



is received. It is usually more or less pappilose and glutinous. 

 Stipule. A more or less leaf-like and usually small appendage at 



the base of a petiole. Stipules are borne in pairs, but they are 



not always present. 

 Stock. 1. The parentage of a particular strain or variety. 2. A 



plant or part of a plant upon which a bud or graft is set. 

 Stolon. A decumbent shoot which roots at or near the tip, as the 



shoots of black raspberries. 

 Stove. A very warm glass house, used for growing tropical 



plants. 

 Strain. A subvariety, 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 connecting 



the stigma and ovary. 



