3 70 Universitij of Calif ornia Publications in Botany [Vol.9 



Red Mountain Lake, near Black Mountain, Fresno Count}', 9,700 feet, 

 Hall and Chandler 734; Round meadow, Fresno County, 7,000 feet, 

 Smilej^ 577; Coyote Creek, Tulare County, Culbertson (B4391); 

 Glacier Point, Yosemite, 7,200 feet, Hall 9151. 



The type species, P. Douglasii Greene (^.c, p. 125), occurs in the 

 Transition zone in the drier meadows. 



5. Polygonum shastense Brewer, in Gray, Proc. Am. Acad., vol. 



8, p. 400. 1872. 



Type locality. — ' ' Sierra Nevada in exposed places on dry ashy soil, 

 Mt. Shasta to Carson Pass." 



Range. — Sierra Nevada. 



Zmie. — Arctic-alpine and occasionally in the Hudsonian. 



Specimens examined. — Webber and Castle Peaks, Lemmon 1201 ; 

 high mountain near Donner Pass, Torrey 425; Mt. Stanford (Castle 

 Peak), Sonne, July 26, 1886; Tinker's Knob, Tahoe, 9,500 feet, Sonne, 

 August 23, 1885 ; Pyramid Peak, 9,200 feet, Hall and Chandler 4744 ; 

 Mt. Rose, 10,000 feet, Kennedy 1137 ; ridge above Donner Pass, 8,500 

 feet. Heller 7151; Wood's Peak, 9,000 feet. Brewer 2111; slope above 

 Desolation Valley on trail to Heather Lake, Tahoe, 8,800 feet. Smiley 

 336; Mt. Goddard, 11,100 feet. Hall and Chandler 684; Mt. Gibbs, 

 Yosemite, 10,900 feet. Smiley 771 ; Long meadow, Tuolumne County, 

 Chesnut and Drew, July 14, 1889 ; Mt. Silliman, Tulare County, 

 Mrs. Brandegee, August 21, 1905. 



6. Polyg-onum bistortoides Pursh., FL, vol. 1, p. 271. 1814. 



P. glastifolium Greene, Pitt., vol. 5, p. 199. 1903. 



P. cephalophorum Greene, l.a, p. 198. 1903. 



Bistorta leptophyll^ Greene, Leaflets, vol. 1, p. 20. 1904. 



Bistorta scaberula Greene, I.e., p. 77. 1904. 



Type locality. — "In low grounds on the banks of the Missouri, 

 called Quamash-flats." (Collected in Idaho.) 



Range. — In western North America from the subarctic regions 

 south to California, Arizona, and New Mexico. 



Zone. — Canadian and in dwarfed forms to above timber line. 



Specimens examined. — Pj-ramid Peak, 8-9,000 feet. Brewer 2137; 

 Caple's Lakes, 8,500 feet, Hanson 315; Marlette Lake, east of Lake 

 Tahoe, 8,000 feet. Hall and Chandler 4581 ; Lake of the Woods meadow, 

 Tahoe, 8,000 feet. Smiley 48 ; Tenaya trail from Snow Creek, Yosem- 

 ite, 7,600 feet, Smiley 671; near Porcupine Flat, Mariposa County, 

 8,000 feet, R. A. Ware 2620c ; Upper Tuolumne River, 8-9,000 feet, 



