1921] Smiley: Flora of the Sierra Nevada of California 319 



4. MERTENSIA 



1. Mertensia stomatechioides Kellogg, Proc. Calif. Acad., vol. 2, 

 p. 148. 1861. 



Type locality. — "Near the head-watervS of the Carson River." 



Range.- — Sierra Nevada and mountains of southern California. 



Zone. — Canadian. 



Specimens examined. — About Marlette Lake, Washoe County, 

 2,460 m., Baker 1302 ; Snow Valley, Ormsby County, 2,460-2,615 m., 

 Baker 1154; Pyramid Peak, Tahoe, 9,500 feet, Smiley 121; cafion 

 near Sardine Valley, Nevada County, Sonne, June, 1887 ; White Wolf, 

 Yosemite, 8,000 feet, H. M. Evans, July, 1901; Collins meadow, 

 Fresno County, 7,500 feet. Hall and Chandler 456 ; Hockett's meadows, 

 Tulare County, Culbertson (B4375); Mt. Silliman, Tulare County, 

 Mrs. Brandegee; near Farewell Gap, Tulare County, 10,200 feet, 

 Purpus 5233 ; southern Sierras, Bolander 2487 ; Soda Springs, Kern 

 River, Tulare County, 8,500 feet, Rothrock 421. 



This plant, the only INIertensia of the Sierran region, is very close 

 to and perhaps ought to be considered as only a variety of M. ciliata 

 (James) G. Don (Gen, Syst., vol. 4, p. 372. 1838), a species ranging 

 from Washington to Colorado. 



5. OREOCARYA 



Nutlets ovate, smooth or barely rugose on the backs; inflorescence contracted 

 into 1-several dense clusters 1. O. nubigena 



Nutlets oblong-ovate; tuberculate on the back, the tubercules in parallel rows: 

 inflorescence spiciform 2. O. echinoides 



1. Oreocarya nubigena Greene, Pitt., vol. 3, p. 112. 1896. 



Type locality. — "On Cloud's Rest, Mariposa Co., California." 



Range. — Sierra Nevada, and in northern Nevada, according to 

 Macbride (Contr. Gray Herb., n.s., vol. 48, p. 31. 1916). 



Zone. — Hudsonian and Arctic-alpine. 



Specimens examined.— Summit of Cloud's Rest, Chesnut and 

 Drew, July 13, 1889; Mt. Dana, Congdon, August 10, 1898; below 

 Cloud's Rest, A. Gray in 1872; summit of Mt. Silliman, 11,188 feet, 

 Dudley 1498; mountains near Mt. Whitney, 11-12,000 feet, Purpus 

 1636. 



