276 



INDEX 



Temperature as related to crop areas, 



79. 

 Teoainte, 58, 160. 

 Texas millet, 50, 183. 

 Thysolaena agrostis, 69. 

 Tickle-grass, 77. 

 Timothy, 42, 202. 



and clover mixed, production of, 15. 

 by states, 84. 



crop area, 80. 



production of, 15. 

 by states, 84. 



standard hay of the East, 56. 

 Trachypogon, 165. 

 Tribes of grasses, 154-156. 

 Trichloris, 214. 

 Tricholaena, 76, 179, 184. 



rosea, 184. 

 Tridens, 221. 



flavus, 39. 

 Trifolium, 41. 



incarnatum, 41-42, 52. 



hybridum, 41. 



pratense, 41. 



repens, 41-42. 

 Triplasis, 221. 

 Tripogon, 213. 

 Tripsacum, 159. 



dactyloides, 160. 

 Trisetum, 209. 

 Tristeginese, 175. 

 Triticum, 235, 236, 238. 



segilopoides, 240. 



ffistivum, 241, 242. 



compactum, 240. 



dicoccoides, 240. 



dicoccum, 239, 240, 241, 242. 



durum, 240, 242. 



monococcum, 240, 241, 242. 



ovatum, 240. 



polonicum, 240, 241, 242. 



sativum, 238, 241, 242, 243. 

 compactum, 243. 

 dicoccum, 243. 

 durum, 243. 

 spelta, 243. 

 tenax, 243. 

 turgidum, 243. 

 vulgare, 243. 



spelta, 239, 240, 242. 



Triticum, turgidum, 240, 242. 

 vulgare, 238, 240, 241, 242. 



Uniola, 221. 

 Uva-grass, 224. 



Valota, 177. 



Vegetative organs, morphology of, 95- 



111. 

 Velvet bean, 52. 



grass, 35, 45, 209. 

 Vetch, 52. 

 Vicia sativa, 52. 



villosa, 52. 

 Vigna sinensis, 51. 



Water-grass, 179. 



grasses, 138. 

 Weeds, 75-78. 



annual, 76. 



brome-grasses, 77. 



biennial, 76. 



grasses as, 76. 



perennial, 76. 



eradication of, 78. 

 Wheat, 238. 



classification of, 242. 



durum, 242. 



grass, 238. 

 slender, 45. 



origin of, 240. 



Polish, 241, 242. 

 Wild grasses, production of, 19. 

 Winter fat, 21. 

 Wire-grass, 32, 39. 



Xerophytes, 140-145. 



Zea, 159. 



mays, 161. 

 Zizania, 190, 191. 



aquatica, 191. 



latifolia, 191. 



palustris, 7, 146, 191. 



injury to seeds of, by drying, 

 138. 

 Zizaniopsis, 190. 



miliacea, 146. 

 Zoysia pungens, 175. 

 Zoysiese, 173. 



