268 



INDEX 



Bermuda lawns, 61-63. 



soil-binder, 69. 



weed, 78. 

 Bibliography, 256. 

 Billion-dollar grass, 49, 184. 

 Bindweed, 75. 

 Blade, 104, 106. 



auricles, 108. 



nervation of, 107. 

 Blepharidachne, 221. 

 Blepharoneuron, 198. 

 Blue-grass, 30-31, 45, 227. 



annual, 66, 230. 



Canada, 34-35, 229. 



English, 34, 230. 



for lawns, 61-62. 



Kentucky, 228. 



Texas, 230. 

 Blue joint, 39, 206. 



stem, 39. 

 big, 169. 

 Colorado, 39. 

 little, 39, 40, 169. 

 Bouteloua, 213, 214, 216. 



curtipendula, 39, 217. 



gracilis, 142, 216. 



hirsuta, 217. 



oligostachya, 216. 

 Brachiaria, 178. 

 Brachyelytrum, 197. 

 Bracts, 109, 110. 

 Briza, 222. 

 Brome, awnless, 33, 232-233. 



grass, 33, 232. 

 annuals, 26. 

 weeds, 77. 

 Schrader's, 233. 



Hungarian, 33. 

 Bromus, 219, 224, 232. 



arenarius, 234. 



commutatus, 77. 



hordeaceus, 77, 234. 



inermis, 33, 233. 



madritensis, 234. 



pratensis, 234. 



rubens, 77, 234. 



secalinus, 50, 77, 232, 234. 



tectorum, 77, 234, 



Trinii, 234. 



unioloides, 233. 



villosus, 77, 234. 



com, 170, 172. 



millet, 50, 182. 



sedge, 169. 

 Buchloe dactyloides, 218. 

 Buckwheat, 7. 

 Buffalo-grass, 27, 143, 218. 



Buffalo-grass for lawns, 64. 

 Bulbilis, 213, 218. 



dactyloides, 143, 217-218. 

 Bulblets, propagation by, 139. 

 Bunch-grasses, 28, 45, 145. 

 Burro-grass, 220. 

 Burs, 135. 



sand, 187. 



Cactus, prickly pear, cultivation of, 21. 

 Calamagrostis, 196, 198, 205-206. 



canadensis, 39, 206. 



rubescens, 206. 



Suksdorfii, 206. 



scabra, 205, 206. 



Langsdorfii, 206. 

 Calamovilfa, 198. 



longifolia, 144. 

 Callus, 125, 134, 135. 

 Campulosus, 214. 

 Canada thistle, 75. 

 Canary-grass, 194. 

 reed, 39, 194. 



seed, 195. 

 Cane, wild, 247. 



scutch, 247. 

 Capitalization of botanical names, 255. 

 Capriola, 214. 



Dactylon, 214-215. 

 Carpet-grass, 32, 35, 180. 

 for lawns, 63. 

 stolons of, 102. 

 Caryopsis, 6, 129, 138. 

 Catabrosa, 222. 

 Cenchrus, 135, 176, 177, 187. 



caroUnianum, 187. 



tribuloides, 187. 

 Cereals, value and production of, 8-11.' 

 Chsetium, 176. 

 Chsetochloa, 176, 177, 184. 



itaUca, 7, 184, 185, 195. 



lutescens, 184. 



viridis, 184. 

 Cheat, 50, 77. 

 Chenopodium Quinoa, 7. 

 Chess, 50, 77. 

 Chlorideae, 156, 213. 

 Chloris, 214, 216. 



Gayana, 216. 

 Chrysopogon, 165. 

 Cinna, 196, 198. 

 Circium arvense, 75. 

 Circumpolar distribution, 149. 

 Classification, 151-158. 



characters used in, 157. 



natural, 19. 



of forage plants, 22. 



