186 THE INDIANA AVEKD BOOK. 



Spikelet.A. little spike. 



Spreading. Nearly prostrate on the ground. 



Stamen. See. p. 37. 



Sterile. Without seeds or spores. 



Stigma. See p. 39. 



Stipules. Appendages borne at the base of the leaf stalk. 



Stipulate. Bearing stipules. 



Style. The narrowed top of the ovary- 



Succulent. Soft and juicy; fleshy. 



Superior. Said of the ovary when free from calyx. 



Suture. A line of splitting or opening. 



Terminal. Borne 011 the end of the stem or branch. 



Terete. Circular in cross section. 



Truncate. Cut square off. 



Tul)er. A short thick underground stem. 



Tubercle. A wart-like grain or projection. 



Umbel. See p. 41. 



Umbellet. A small or secondary umbel. 



Utricle. An achene or one-seeded fruit with a loose outer covering. 



Whorl. A circle of three or more leaves or other organs arising from 



the same level. 

 Wing. A thin expansion of a seed or stem. 



