296 CALIFORNIA ACADEMY OF SCIENCES. 



height. This is the most northern station reported for 

 this species. I saw only the one plant. 



43. Aster multiflorus ([Dryand. in] Ait. Hort. Kew., 

 ed. i, iii, 116. North America and Mexico). 

 (Copied from Index Kewensis.) 



This widely distributed species was found near the 

 head of Willow Creek. It had few flowers and looked 

 starved. 



44. Aster leevis L., Sp. Plant., 876. 

 Habitat: "North America." 



Collected near the head of Willow Creek, foliage 

 sparse, leaves below the inflorescence 3 cm. long, less 

 than 3 mm. wide; heads scattered at the ends of the 

 branchlets. 



45. Aster canescens Pursh., var. aristatus n. var. 

 This seems to combine characteristics of several of 



the described varieties. Glandular, scabro -hispidulous, 

 densely so above ; bracts of the turbinate involucre ap- 

 pressed and aristate, lowest, slightly squarrose; heads 

 few at the ends of the branchlets; leaves diminishing up- 

 wards, upper ones appressed to the stem, bristly - ciliate ; 

 lower, coarsely dentate with bristle-tipped teeth, slightly 

 decurrent by the auriculate base. This was coming into 

 bloom July 14. Only one specimen was seen in flower. 



46. Erigeron Bellidiastrum Nutt., Trans. Am. Phil. Soc, 

 N. S., vii (1841), 307. 



Type locality: " On the borders of the Platte within 

 the Rocky Mountains." 



This "rew in abundance along the base of cliffs near 

 the San Juan River, below Recapture Creek. 



47. Erigeron Canadensis L., Sp. PL, 863. 

 Habitat: "Canada and Virginia." 

 Collected near the head of Willow Creek. 



