304 



INDEX. 



Page. 



Secale cereale 91-92 



creticum 91 



montanum 91 



orientate 91 



wllosum 91 



Sedge distinguished from grasses. 3-4 



Seneca grass 199 



Sericrostis 145 



Serrafalwis 24 



Sesleria dactyloides 198, 199 



Setaria 241, 243-245 



glauca 243 



italica 243-245 



varietal key 244-245 



wridis 241 



Shallu 267 



Sheath 5 



Sheep's fescue 31 



Short-grass 193 



country 199 



Siberian millet 245 



Side-oats grama 193, 195 



Sieglingia 74 



albescens 74 



decumbens 74, 118 



Sitanion 94, 96 



elymoidcs 96 



hystrix 96, 97 



jubatum 96 



planifolium 96 



Six-weeks grama 194 



Sleepy grass 161 



Slough-grass 181-182 



Smut-grass 149, 150 



Soil binders 4, 5 



Soiling grasses 4 



Sorghastrum 20, 269-270 



avenaceum 269 



elliottii 270 



nutans 269, 270, 271 



secundum 270 



Sorghum 266-269 



tribe 252-280 



vulgare 266, 267 



Sorgo 267 



Sorgum 266 



Sour-grass 215, 216 



Spartina 182-185 



alterniflora 183 



glabra 183 



pilosa'. 183 



bakeri 183, 185 



cynosuroid.es = 183 



Page. 



Spartina foliosa 183 



gracilis 183 



juncea 183 



maritima 183 



michauxiana 183, 184 



patens 183, 185 



juncea 185 



schreberi 183 



spartinae 183 



stricta 183 



tenacissima 5 



Spear-grasses 158-161 



Sphenopholis 12, 109, 110 



obtusata 110-111 



lobata 110 



pallens 110 



palustris ' 109 



Spikelet : 5 



Spirochloe 180 



Spirotheros 273 



Sporobolus 149-151 



airoides 4, 150, 152 



berteroanus 149, 150 



black 151 



cryptandrus 150, 151 



elongatus 150 



gracilis 150 



indicus 150 



interruptus 151 



pulchellus 150 



vaginaeflorus 150 



virginicus 150 



wrightii 150 



Sprangle-top 172 



red 173 



Squirreltail grass 96 



Stapfia 71 



colusana 71 



Stegosia 278 



cochinchinensis 278 



Stcinchisma 229 



Stelephuras 140 



Stenotaphrum 218-219 



americanum 219 



glabrum 218 



secundatum 219, 220 



Stink-grass 48 



Stipa 158-161 



avenacea 159, 160, 161 



barbata 160 



calamagrostis 127 



capillaris 145 



comata 161 



