20 
Senecio triangularis, Hook. 
Andinus, Nutt. 
aureus, L. 
Var. obovatus, T. ze in 
For 
Var. borealis, T. EG. 
Var. croceus, Gray. 
canus, Hook. 
_ Var. eradiatus, D.C. Eaton. E. Humboldt Mts., 
Nevada. 10,000 ft. alt. August. 
Fendleri, Gray. 
multilobatus, T. & G. 
eremophilus, Rich. 
- Fremontii, T. & G. 
amplectens, Gray, Var. taraxicoides, Gray. Clover Mts. 
10,000 ft. alt. Sept. 
Form. Same locality. 
Psathyrotes annua, Gray. 
Tetradymia canescens, DC. 
ar. inermis, Gray. 
glabrata, T. & G. 
Nuttallii, T. &G. Stansbury Island, Salt Lake. 4,500 
ft. alt. June. . 
spinosa, H. & A. 
Cirsium undulatam, Spreng. 
Var. albescens, D.C. Eaton. Stansbury Island, 
Salt Lake. 4,300 ft. alt. June. 
foliosum, DC. (C. edule, Nutt.) 
Drummondii, T. & G. Caulescent form. 
Acaulescent. (C. aeaule, Var. Americanum, 
ray.) 
eriocephalum, Gray, Var. leiocephalum, D. C. Eaton. 
Calais linearifolia, DC. 
macrocheta, Gray. (?) 
nutans, Gray. 
Var. latifolia, D. C. Eaton. 
major, Gray. 
Anisocoma acaulis, Gray. 
Stephanomeria minor, Nutt. 
myrioclada, D. C. Eaton. 
paniculata, Nutt. 
exigua, Nutt. (Hemiptilium Bigelovii, Gray.) 
pentacheta, D. C. Eaton. Humboldt Valley, Ne- 
vada. 4,500 ft. alt. September. 
Hiethetans Scouleri, Hook. 
albiflorum, Hook. 
