398 



INDEX. 



Page. 



Sidalcea Candida, Gray 74 



malvsenora, Gray 74,356 



Sileiio acaulis, L 70 



Gallica, L 356 



Greggii, Gray 70 



laciniata, Cav 356 



Menziesii, Hook 70 



Scouleri, Hook 70 



Siphon oglossa longiflora, Gray 219 



Sisymbrium canescens, Nutt 64, 855 



incisnm, Engelm '. 64,356 



virgatum, Mutt 64 



Sieyrincbinm Arizonicum, Kothr. (PL XXVI) 22,266 



belluni, "Watson 266 



Bermudiana, L 266 



nmcronatum, Michx 266 



Sium (mgiisHfolivm, L 133 



cicutaafblium, Gmelin 133 



Smehrwskia calycina, Meyer - 64 



Smilacina stellata, Desf 270 



SOLAKACE^L 207,370 



Solanum Dillenii, Dunal 207 



DouglaMi, Dunal 207 



elseagnifolium, Cav 207 



Jamesii, Torr 207 



nigrum, L., var. Dillenii, Gray 207 



nigrum, L., var. Douglasii, Gray 207, 370 



nodijlorum, Jacq 207 



rostratum, Dunal 207 



triflorum, Mutt 207 



Xanti, Gray 370 



Solidago Califomica, Mutt 145,364 



Califomica, Mutt., var. Nevadensis, Gray . . 364 



Canadensis, L 147 



elongata, Mutt 364 



Guiradonis, Gray 145, 364 



incana, T. & G 146 



Marshall!, Pvotnr 146 



Missouriensis, Mutt 147 



mollis, Bartl 146 



nemoralis, Ait : 146 



occidentals, Mutt 364 



pumila, T. & G 145 



sparsiflora, Gray 146 



Virga-aurea, L s 



Virga-anrea, L., var. huniilis, Gray 145 



Solorina bispora 351 



Baccata, (L.) Ach., var. spongiosa, Myl 351 



Sonchns asper, Vill 182 



Sophora 85 



sericea, Mutt 88 



speciosa, Benth. 43 



Sorghum nutans, Gray 296 



Sparganium eurycarpum, Engelm 269 



simples, Huds 269 



Spartina graciiis, Xrin 286 



Specularia perfoliata, A. DC 183 



Spergularia media t Presl 355 



Sphacelo calycina, Benth 372 



Sphaeralcea acerifolia, Mutt 75 



angustifolia, Spach 76 



Emoryi, Torr 74^6 



Fendleri, Gray 76 



Sphagnum acutifolium, Ehrh 341 



cuspidatum, var. recurvatum, Beauv 341 



Spiraea arisefolia, Smith, var. discolor, T. & G ill 



Spiraea csespitosa, Mutt Ill 



discolor, Pursh.var. dumosa, "Watson Ill 



millefolium, Torr.., 110 



opuli/olia y. paudjlora, T. & G 110 



Spiranthes dedpiens, Hook 265 



Jtomanzoviana, Cham. .-. 17, 265 



Spirostachys occidentalis, "Wataon 238 



Sporobolus nodosus, Mutt 377 



Stachys ajugoides, Benth 372 



albens, Gray 224,372 



bullata* Benth 372 



coccinea, Jacq 223 



paluatris, L 224 



Kothrockii, Gray 224 



Steironema ciliatnm, Gray 185 



lanceolatum, Gray 185 



Stellaria crassifolia, Ehrhart 71 



Jamesii, Torr 71 



longipes, Goldie 71,356 



Stephanomeria exigua, Mutt 367 



minor, Mutt 182,367 



STERCtTLIACE^ 77,357 



Stereodon complexes, Mitten 349 



plicatilis, Mitten 349 



Stevia canescens, Benth 138 



serrata, Cav 139 



Stipa avenacea, L 285 



comata, Trin 285 



Mongolica, Tuxcz 286 



occidentalis, Thurb 286 



pennata, L 286 



spartea, Trin 285 



viridula., Trin 285 



Streptanthus micranthus, Gray 65 



Strobi (Pinus) 258 



Strombocarpus pubescens, Gray 107 



Suaeda 26 



depressa, "Watson 236 



diffusa, "Watson 235 



maritima, "Watson 235 



Swertia, L 191 



perennis, L 197 



rotata, L igg 



Symphoricarpus oreophilus, Gray 136 



rotundifoliua, Gray , 136 



Synthy ris alpina, Gray 214 



plantaginea, Benth 214 



Tagetes micrantha, Cav 170 



Talinum auxantiacum, Engelm 72 



aurantiacum, Engelm., var. angustissimum, 



Gray 73 



patens, "Willd. ? 73 



pygmceum, Gray. , 73 



TAMAHISCrsrEiE 74 



Tanacetum canum, D. C. Eaton 3G6 



Tayloria splachnoides, Hook 344 



Tellima tenella, "Walp. Rep 117 



Teloxys cornuta, Torr 2 36 



Tephrosia 05 



' leiocarpa, Gray no 



lencantha, H.B.K 93 



onobrychoides, Mutt 92 



tenella, Gray 90 



Tepopote """"* 5Q 



Tessaria borealis, T. & G ""25 157 365 



Tetraclea Coulteri, Gray " ' '225 



