370 University of California Publications in Botany {^01.. 9 



4. Erigeron Coulteri Porter, in Porter and Coulter, Fl. Colo., p. 61. 

 1874. 



E. frondeus Greene, Fl. Fran., p. 388. 1897. 



Type locality. — "Weston's Pass, at 10,000 feet altitude." 



Range. — Rocky Mountains from Wyoming to New Mexico, west 

 to the Sierra Nevada. 



Zone. — Canadian and rarely in the Hudsonian. 



Specimens exmninecl. — Near Summit, by a swift mountain stream, 

 Greene 420 ; upper end of Donner Lake, Heller 6964 ; Truckee River, 

 Heller, July 30, 1903; Half-Moon Lake, 7,760 feet, McGregor 57; 

 trail from Summit to Castle Peak, 7,800 feet, nearly glabrous, Smiley 

 464; Luther's Pass, Tahoe, 7,800 feet, Abrams 4761; Lake Valley, 

 Tahoe, 6,400 feet, Abrams 4767 ; Summit Soda Springs, Kennedy and 

 Doten 260; Carson Spur, Alpine County, 8,500 feet, Hansen 773; 

 Mono trail, 9,000 feet, Bolander 6010; vicinity of Lundy, Mono 

 County, 8-9,000 feet, Miss M. Minthorn 55; Lake Tenaya trail, 

 Yosemite, Congdon, August 14, 1894; Bloody Canon, Chesnut and 

 Drew, July 26, 1889; above Lake Tenaya, 8,300 feet. Smiley 869; 

 Crabtree meadows, Tulare County, 10,330 feet, H. M. and G. R. Hall 

 8443 ; meadows near Soda Creek, Tulare County, 8-9,000 feet, Purpus 

 5171; Sky Valley, Tulare Count}^ Culbertson (B4575). 



This is the only white flowered Erigeron of wet meadows and 

 stream banks in the higher mountains. E. frondeus is merely the 

 larger size of the species; these taller plants are often somewhat 

 scabrous {Smiley 869 above). 



5. Erigeron caespitosus Nutt., Trans. Am. Phil. Soc. II, vol. 7, 

 p. 307. 1841. 



Type locality. — "On the smnmits of dry hills in the Rocky Moun- 

 tain range, on the Colorado of the West. ' ' 



Range. — Alberta to New Mexico and westward to the mountains 

 of the Great Basin and east slope of the Sierra Nevada. 



Zmie. — Arid Transition mainly, rising into the Canadian. 



Specimens examined. — Mono Pass, Congdon, no. 58, 1896; same 

 locality, 10,000 feet, R. A. Ware, 2723c; same locality. State Survey 

 6154 (as in University of California). 



