38o 



INDEX TO SCIENTIFIC NAMES 



Sambucus melanocarpa, 344 



Sambucus racemosa, 343 



Saxifraga aizoides, 280 



Saxifraga bronchialis, 43 



Saxifraga cernua, 44 



Saxifraga Lyallii, 44 



Saxifraga nivalis, 50 



Saxifraga Nutkana, 49 



Saxifraga oppositifolia, 213 



Sedum frigidum, 144 



Sedum stenopetalum, 280 



Senecio Balsamitae, 298 



Senecio canus, 301 



Senecio lugens, 301 



Senecio triangularis, 301 



Shepherida Canadensis. 363 



Silene acaulis, 197 



Silene Macounii, 22 



Silene noctiflora. 22 



Sisymbrium Hartwegianum, 267 



Sisyrinchium angustifolium, 251 



Smilacina amplexicaulis, 120 



Smilacina Canadensis, 120 



Smilacina stellata, 119 



Solidago Canadensis, 289 



Solidago decumbens, 290 



Solidago Missouriensis, 290 



Solidago multiradiata var. scopulo- 



rum, 290 

 Solidago nemoralis. 293 

 Sonchus arvensis, 306 

 Spiraea Aruncus, 329 

 Spiraea lucida, 37 

 Spiraea pectinata, 37 

 Spiranthes Romanzoftiana, 107 

 Stachys palustris, 251 

 Stellaria longipes, 27 

 Stenanthium occidentale, 126 • 

 Streptopus amplexifolius, 114 

 Streptopus brevipes, 181 

 Streptopus curvipes, 181 



Streptopus roseus, 181 

 Symphoricarpus racemosus var. pau- 

 ciflorus, 344 



Taraxacum officinale var. lividum, 305 



Taraxacum rupestre, 306 



Tellima grandiflora, 50 



Thalictrum occidentale, 10 



Thaspium cordatum, 285 



Thlaspi arvense, 21 



Tiarella unifoliata, 55 



Tofieldia glutinosa, 125 



Trientalis Americana, 90 



Trifolium hybridum, 31 



Trifolium pratense, 140 



Trifolium repens, 31 



Trollius laxus, 10 



Troximon aurantiacum, 305 



Troximon glaucum, 305 



Vaccinium ccespitosum, 155 

 Vaccinium membranaceum, 355 

 Vaccinium Myrtillus, 155 

 Vaccinium ovalifolium, 350 

 Vaccinium Vitis-Idaea, 155 

 Valeriana sitchensis, 67 

 Valeriana sylvatica, 67 

 Veratrum viride, 126 

 Veronica alpina, 244 

 Veronica serpyllifolia, 247 

 Viburnum pauciflorum, 344 

 Vicia Americana, 208 

 Vicia Cracca, 208 

 Viola adunca, 197 

 Viola Canadensis, 21 

 Viola cognata, 192 

 Viola glabella, 271 



Zygadenus elegans, 131 

 Zygadenus venenosus, 13: 



