igi2] NELSON— IDAHO PLANTS 413 



stems 



the whole of the subtending leaf: flowers (at least the late ones) 

 rather small, blue: sepals lance-linear, less than half as long as the 



cm 



margin 



stiff white hairs; lower petals obovate, emarginate, 15-18 mm, 

 long (including the straight spur with its abruptly bent acute 



tip): stigma 



smooth: seeds brown, 



lik 



There 



Viola. 



I have pleasure in dedicating this apparently strong species to Miss June 

 Clark, of Boise, Idaho, who made an extensive collection of the plants, in 

 duplicate, in her home neighborhood and in the mountains of Washington 

 County, during the season of 191 1. Her no. 84, from Clear Creek, in the Boise 

 Mountains, July 4, 191 1, is the type. 



Chrysothamnus oreophilus artus, n. var. — Differing from 

 the species in the stricter, narrowly racemose panicle, the filiform 

 semi-cylindrical leaves, and the more glutinous involucres. 



Secured by Miss Clark, near Boise, September 1, 191 1, no. 317. Col- 

 lected also by Henderson at Nampa, July 30, 1897, and by Cusick in East- 

 ern Oregon, September 7, 1900, no. 2503. Distributed by them as an unnamed 

 variety of C. graveolens. 



Chrysothamnus pumilus latus, n. var. — Distinguished from 

 the species by the thin, flat, broad leaves (5-8 mm. wide) and the 

 small cymose corymbs. 



Were one to see just the herbage of this plant, it might readily be mistaken 

 for some Chrysopsis. 



Nelson and Macbride's no. 1236, Ketchum, Idaho, July 20, 1911, is 

 typical. Certain numbers by other collectors seem to be more or less 

 intermediate. 



Erigeron filifolius Bloomed, n. comb. — E. Bloomeri Gray, 

 Proc. Am. Acad. 6:540. 1865; E* fissuricola A. Nels. in Herb 



that form 



comes from 



mere 



comes to be known 

 filifolius and its n 



this 



