Sorbus— Continued, 
subvestita, 130 
Streptanthus arcuatus, 192 
Swertia 
occidentalis, 184 
ovalifolia, 185 
perennis, 184 
scopulina, 184 
Taraxacum 
ammophilum, 233 
erythrospermum, 227, 233 
lacerum, 
latilobum, 231 
Thalictrum fissum, 233 
Thelypodium 
tum, 20 
integrifolium, 20, 314 
rhomboideum, 314 
simplex, 200 
Thermopsis pinetorum, 138 
Thysanocarpus 
affinis, 311 
filipes, 200 
Townsendia Bakeri, 157 
Treleasea pumila, 225 
Trifolium 
anemophilum, 137 
attenuatum, 137 
dasyphyllum, 137, 138 
lilacinum, 
nemorale, 136 
petreum, 307 
Vanclevea stylosa, 81 
INDEX. 
Verbena 
bracteosa, 152 
confinis, 152 
nodiflora, 46 
rudis, 152 
Vesicaria alpina, 309 
Viola 
Albertina, 288 
alsophila, 7 
na, 7 
Andersonii, 287 
arvensis, 
bellidifolia, 292 
clandestina, 8 
elegantula, 66 
emarginata, 142 
ra 
Tllinoensis, 293 
insignis, 9 
Labradorica, 290 
Mistassinica, 5 
o allis, 288 
oreophila, 307 
xi 
