Arabis oe Grah. 
reu 
ray. 
Sepeantins saiatus, Nutt. 
Cardamine cordifolia, Gray. 
hirsuta, L. 
Platyspermum scapigerum, Hook. Steamboat Springs, Washoe 
Valley, Nevada. 5,000 ft. alt. May. , 
Vesicaria montana, Gray. 
Physaria didymocarpa, Gray. 
Draba alpina, L. 
wv 
ar. 
Var. (D. glacialis, Adams.) 
Var. 
Var. (D. algida, Adams.) 
stellata, Jacq., Var. hebecarpa, Hook. 
- muricella, Wahl. (?) 
Douglasii, Gray. Mt. Davidson, Nevada. 6,000 ft. alt. 
April. 
aurea, Vahl. 
nemorosa, L. 
Var. lutea, Gray. 
Caroliniana, Walt., Var. micrantha, Gray. 
Sisymbrium COE ieb. 
canescens, Nutt. 
orm. 
Califernicum, 8. Watson. (Smelowskia (7), Gray.) 
Smelowskia calycina, Meyer. 
Erysimum cheiranthoides, L. 
' asperum, DC. 
Var. (?) pumilum. (2. Py Nutt.) 
Var. incenspicuum, 8. Watso 
Stanleya pinnatifida, hy t. 
viri 
Thelypodium OR , Endl. 
sagittatum, Endl. 
Nuttgllii,S. Watson. (Streptanthus sagittatus, Nutt) 
*“Drachyearpum, Torr. 
laciniatum, Endl. 
Caulanthus crassicaulis, 8S. Watson. (Streptanthus, Torr.) | 
ilosus tson. 
\ 
4 
ne 
Brassica nigra, Benth. & Hook. (Sinapis, L.) 
campestris, L. (Sinapis, L.) 
Capsella Bursa- pastoris, Moench. 
divaricata, Walpers. (Hymenolobus, Nutt.) 
Lepidiam intermediam, Gray. 
