INDEX 



275 



Sacchareae, 166. 

 Saccharum. 165, 166. 



officinarum, 166-167. 

 Sacciolepis, 178. 

 St. Augustine grass, 32, 35, 187-188. 



for lawns, 63. 

 St. Lucie grass for lawns, 63. 

 Salt bush, 21. 



grass, 225. 



marshes, grasses of, 146. 

 Sand-binders, 71, 144. 



bur, 76, 187. 



dunes, 69-72, 143-144. 

 fixing, 69-71. 

 Savastana, 192. 



odorata, 193. 

 Scales, 109. 

 Schedonnardus, 214. 

 Schizachyrium, 169. 

 Schmidtia, 197. 

 Scleropogon, 219, 220. 

 Scolochloa, 222. 

 Scribneria, 235, 236. 

 Scrub, 144. 

 Secale, 236, 244. 



cereale, 244. 



montanum, 244. 

 Seed, 130-131. 



dispersal of, 133-135. 



self-burial of, 137. 

 Series, the 2, of grasses, characterized, 



154-1.5.5. 

 Setaria, 185. 



italica, 185. 

 Shallu, 172. 

 Sheath, 104-105. 



node, 105. 

 Sheaths as floats, 146. 

 "Short grass," 27. 

 country, 143. 

 Silage, 57-59. 

 Silos, 58-60. 

 Sitanion, 235, 236, 246. 



species, weeds, 78. 

 Sleepy-grass, 200. 

 Slough-grass, 39. 

 Snake-grass, 225. 

 Soiling, 57-58. 

 Sorghastrum, 165, 173. 



nutans, 39. 

 Sorgho, 73, 172. 

 Sorghum, 36, 48, 73, 170. 



halepense, 170. 



vulgare, 171. 

 Sorghums, classification of, 172. 

 Soya soya, 53. 

 Soybean, 53. 



Spartina, 214. 



glabra, 40, 148. 



juncea, 40. 



Michauxiana, 39. 



patens, 144. 

 Spear-grass, 199. 

 Species, the unit of classification, 151- 



1,52. 

 Spelt, 239, 242. 

 Sphenopholis, 208. 

 Spike, 113. 

 Spikelet, 117-119. 



relation of parts of, 122. 



sterile, 120. 



terminology of parts of, 118-119. 



imisexual, 114, 120. 

 Spinifex, 176. 



Spodiopogon sagittifolius, 108. 

 Sporobolus, 198. 



airoides, 28. 



cryptandrus, 105. 

 Squirrel-tail-grass, 77, 245. 

 Stamens, 128. 

 Starch, 11-12. 

 Stem, 98-100. 



modified, 100. 



propagation by, 102. 

 Stenotaphrum, 177, 187. 



secundatum, 188. 

 Stink-grass, 225. 

 Stipa, 135, 196, 197, 199. 



elegantissima, 134. 



inebrians, 200. 



pennata, 134, 200. 



sibirica, 200. 



spartea, 200. 



speciosa, 200. 



tenacissima, 74. 



vaseyi, 200. 

 Stizolobium Deeringianuni, 52. 

 Stolons, 101. 

 Streptocha;ta, 124, 189. 

 Sudan-grass, 172. 

 Sugar-cane, 72-73, lR(i. 

 Swamp, grasses of, 147. 

 Sweet vernal-grass, 45, 193. 

 Switch-grass, 39, 40. 

 Synonyms, 257. 

 Syntherisma, 178, 180. 



glabrum, 181. 



ischsemum, 181. 



linearis, 181. 



sanguinalis, 148, 181. 



Tares, 237. 

 Taxonomy, 151-158. 

 Teff, 225. 



