INDEX 
Achyrodes aureum, 220. Arid region, 83. 
Xgilops ovata, 240. Aristida, 135, 196, 199. 
/£gopogon, 173. longiseta, 199. 
Agropyron, 27, 235, 236, 237. scabra, 199. 
repens, 238. weedy species of, 78. 
Smithii, 39, 238. Arrhenatherum, 209, 212. 
spicatum, 28. elatius, 212. 
tenerum, 45, 238. bulbosum, 142, 212. 
Agrostidexz, 156, 196. Arundinaria japonica, 69, 247. 
Agrostis, 198, 203. macrosperma, 247—248, 
alba, 203. tecta, 247. 
maritima, 205. Arundinella, 175. 
vulgaris, 204, 205. Arundo, 219, 220, 224. 
canina, 205. Donax, 224. 
Agrostology, economic, 2. Atriplex, 21. 
list of works on, 262. Auricles, 108. 
systematic, 3, 94. Authors of botanical names, 254. 
Aira, 208. Avena, 209. 
Alcohol, 11, 12. ' barbata, 46, 211. 
Alfalfa, 41. fatua, 46, 211. 
production of, 16. glabrata, 46, 211. 
by states, 85. nuda, 210. 
Alfilaria, 26. sativa, 210. 
Alopecurus, 196, 197, 202. sterilis, 211. 
pratensis, 202, 203. strigosa, 211. 
Ammophila, 198, 206. Avenez, 156, 208. 
arenaria, 144, 148, 206. Awns, 126-127, 134. 
as sand-binder, 71. Axonopus, 178, 180. 
Amphicarpon, 177. compressus, 180. 
Anastrophus, 180. 
Anatomy, gross, 96. Bamboos, 69, 74, 247. 
Andropogon, 27, 165, 169, 170. scales of, 109-110. 
Elliottii, 105. Bambos Bambos, 247. 
furcatus, 39, 169. Bambusa vulgaris, 247. 
halepensis, 170. Bambusee, 156, 247. 
scoparius, 39, 40, 169. Barley, 244-245. 
Sorghum, 171. fruit of, 139. 
virginicus, 169. grass, 77. 
Andropogonee, 155, 164. wild, 245. 
Anthenantia, 177. Beach grass, 144, 206. 
Anthochloa, 222. as sand-binder, 71. 
colusana, 106. Beckmannia, 214. 
Anthoxanthum, 192, 193. Beggar-weed, Florida, 53. 
aristatum, 192. Bent, creeping, 205. 
odoratum, 192. Rhode Island, 204, 205. 
Puelii, 192. Bermuda-grass, 30-32, 45, 214-215. 
Apera, 198. crop area, 81. 
(267) 
