178 



INDEX. 



Scrophularia 

 nodosa, L 



SCROPHULARIACE.E 



Page. 



90 

 90 



Scutellaria 



galericulata, L 



resinosa, Torr 100 



Sedum x 



rhodanthum, Gray 43 



Rhodiola, DC 43 



stenopetalum, Pursh 43 



Selaginella 

 rupestris, Spring 154 



Senecio 



amplectens, Gray 



Andinus, Nutt 



aureus, L 



Bigelovii, Gray 



cauus, Hook 82 



cernuus, Gray 82 



eremophilus, Richards 82 



exaltatus, Nutt 80 



filifolius, Nutt 82 



Fremontii, T. & G 82 



integerrimus, Nutt 81 



longilobus, Bentli 82 



lugeus, Richards 80 



renifolius, Porter 83 



Soldanella, Gray 83 



triangularis, Hook 81 



Seseli,L 52 



Hallii, Gray 52 



Sesleria 

 dactyloidcs, Nutt 147 



Setaria 



Italica, Kunth 152 



viridis, Beauv 152 



Shepherdia 



argentea, Nutt 124 



Canadensis, Nutt 124 



Sibbaldia 

 procumbens, L 35 



Sidalcea, Gray 15 



Candida, Gray 16 



nialvseflora, Gray 15 



Sieversia 

 paradoxa, Don 35 



Silene 



acaulis, L 12 



Drummondii, Hook 12 



Menziesii, Hook 12 



Scouleri, Hook 12 



Sisymbrium 



canescens, Nutt 



glaucum, Nutt 8 



Sisyrinchium 

 Bermudiana, L 133 



Sitanion 



elymoides, Raf 151 



Sium 



angustif olia, L 50 



lineare, MX 49 



Smelowskia, Meyer 8 



calycina, Meyer 



SMILACACEJB 133 



Smilacina 



amplexicaulis, Nutt 133 



racemosa, Desf 133 



SOLAXACE^E 109 



Page. 



Solatium 



Coronopus, Duu 110 



heterodoxum, Dun 110 



nigrum, L 109 



rostratuin, Dun 109 



triflorum, Nutt 109 



Solidago 



Canadensis, L 63 



Guiradonis, Gray 62 



humiUs, Pursh 62 



lanceolata, L 63 



Missouriensis, Nutt 63 



nenaoralis, Ait 63 



occidentalis, T. & G 63 



pumila, T. &G 63 



rigida, L 62 



Virga-aurea, L 62 



Solorina 



bispora.Nyl 162 



Sophora, L 31 



sericea, Pursh 31 



Sorghum 



nutans, Gray 152 



Sparganium 



simplex, Huds 132 



Spartiiia 



cynosuroides, \Yilld 146 



gracilis, Trin 146 



Specularia 



perfoliata, A. D. C 88 



Sphagnum 



acutif olium, Ehrb 155 



Sphffiralcea, St. Hil 16 



angustif olia, Spach 16 



stellata, T. & G 16 



Spiraea 



aricpfolia, Smith 33 



dumosa, Nutt 33 



opulif olia, L 33 



Spiranthes 



Romanzomaua, Ch 133 



Sporobolus 



cryptandnts, Gray 143 



Stachys 



cordala, Riddell 100 



palustris, L 100 



Stanleya, Nutt 9 



in tegrifolia, James 9 



pinnatifida, Nutt 9 



Staurothele 



umbrina (Wahl.), Tuck 163 



Stellaria 



borealis, Bigel 13 



crassifolia, Ehrh 13 



Jamesiana, Torr 13 



longipes, Goldie 13 



unibellata, Turcz 13 



Stenosiphon, Spach 46 



virgatus, Spach 46 



Stenotus 



pijgmwus, T. & G..- 66 



Stephanomeria, Nutt 85 



minor, Nutt 85 



runcinata, Nutt 85 



Stereocaulon 



condensation, Laur 163 



paschale, Laur 162 



Stipa 



Mongolica, Turcz 145 



