1913] NELSON & MACBRIDE—WESTERN PLANTS 383 
entire or fimbriate, granular-glandular, the outer green, hirsute as 
well as glandular: rays 15-20, conspicuously purple, rather broad, 
3-toothed at apex: disk flowers yellow: achenes (young) pubescent. 
In habit this suggests E. leiomeris Gray, but in other respects is very differ- 
ent. No. 2068, secured on open pebbly slopes, near Pole Creek in the Burnt 
Timber Mountains, Elko Co., Nevada, is the type 
ERIGERON POLIOSPERMUS latus, n. var.—Rougher pubescent 
than in the typical form, the crowns of the caudex clothed with 
dead leaf-bases: leaves unusually broad (3-4 mm.): heads large, 
very broad (the disk about 15 mm.) and the rays rather long and 
broad: involucre sparsely hispid, with the tips of the bracts 
granular-glandular, otherwise nearly or quite naked: rays purplish 
to white: achenes brown, glabrate. 
This was a most striking plant on the black volcanic sands on which it was 
secured. In habit and aspect it suggested the EZ. compositus group rather than 
its real affinity, and led to its being tentatively designated as a species, E. Jatus. 
The technical characters, however, scarcely warrant such a disposition. Three 
Creek, Owyhee Co., Idaho, no. 1861, July 1, 1912: 
Rocky MountTAIn HERBARIUM 
UNIVERSITY OF WyomInc, LARAMIE 
