208 University of California Publications in Botany [Vol. 9 



Range. — Sierra Nevada northward into southern Oregon (Crater 

 Lake), and Imnaha River region.* 



Specimens examined. — Slide Mountain, Washoe County, Nevada, 

 7,600 feet. Heller 10932; Mount Dyer, Plumas County, Mrs. R. M. 

 Austin, July, 1879 ; Summit, Bolander in 1873 ; Desolation Valley, 

 Tahoe, 8,300 feet. Smiley 341 ; Sonora Pass, 10,000 feet, Brewer 1892 ; 

 Pyramid Peak, 9,500 feet. Hall and Chandler 4732 ; Donner Pass, 

 Heller 6975 ; Silver Lake, Amador County, Hansen 567 ; Heather Lake, 

 Tahoe, 7,800 feet, McGregor 181 ; Mt. Rose, 9,650 feet, Heller 9889 ; 

 Mt. Dana, Brewer 1739b; above Ebbett's Pass, Brewer 1989; at timber 

 line above Mineral King, Coville and Funston 1547 ; mountain slopes 

 on Little Kern River, 10-11,000 feet, Purpus 5231 ; trail to Panther 

 Peak, Tulare County, Dudley 1269 ; Farewell Gap, Tulare County, 

 10,600 feet, Purpus 52291/2. 



Hall and Bahcock 5465 is a very peculiar form from Volcano 

 meadows, Tulare County, 8,500 feet, with leaves linear-spatulate and 

 pubescence of forked hirsute hairs; it probably represents a species as 

 yet undescribed but whose diagnosis must wait till more material is 

 available. 



7. Arabis repanda Wats., Proc. Am. Acad., vol. 11, p. 122. 1876, 



Type locality. — "Yosemite Valley." 



Range. — Sierra Nevada and mountains of southern California. 



Zone. — Transition and occasionally above. 



Specimens exainined.— Near Mineral King, north hillside, 2,750 m., 

 Coville and Funston 1389 ; open woods near Soda Creek, Tulare 

 County, 8-9,000 feet, Purpus 5276. 



8. Arabis inamoena Greene, Leaflets, vol. 2, p. 158. 1911. 



Type locality. — "Inyo Co., California, at Lake Sabrina." 



Range. — Southern Sierra Nevada. 



Zmie. — Canadian. 



Specim^ens exam,ined. — South Lake, Inyo County, 9,000 feet, A. 

 Davidson 2956; Lake Sabrina, Inyo County, A. Davidson 2729 (co- 

 type) ; Kaiser Crest, 8,000 feet. Smiley 621. 



This species is near No. 7 but appears amply distinct in those 

 specimens seen by me. 



* Ace. Syn. Fl., vol. 1, pt. 1, p. 163, the range extends to Mt. Hood, Oregon, 

 SoweU Bros., at the north, East Humboldt Mountains, Nevada, Watson, to the 

 east, and to the San Bernardino Mountains, Parish Bros., to the south. The 

 reported extension to Lake Pend d 'Oreille, N. Idaho (Holzinger: Sandberg 

 Eeport) has not been verified. 



