354 University of California Publications in Botany [VOL. 9 



1. EUPATOBIUM 



1. Eupatorium occidentale Hook., Fl. Bor Am., vol. 1, p. 305. 



1833. 

 Kyrstenia occidentalis Greene, Leaflets, vol. 1, p. 9. 1903. 



Type locality. "On the low hills between the north and south 

 branch of Lewis and Clark's River in stony places." Douglas. 



Range. Washington and Idaho to California. 



Zone. Transition and lower Canadian, rarely higher. 



Specimens examined. Mineral King, Tulare County, 8,500 feet, 

 Hall and Babcock 5695 ; Mt. Olancha, Tulare County, 9,500 feet, Roth- 

 rock 360 ; Mt. Hoffman, Yosemite, 8,500 feet, H. M. Evans, July, 1901 ; 

 Ebbett's Pass, 7-8,000 feet, Brewer 2035; Suzy Lake, Tahoe, Mc- 

 Gregor 126 ; Glen Alpine, W. W. Price, August 18, 1898 ; above Don- 

 ner Lake toward Donner Pass, Heller 7124. 



The form of this species growing in the higher mountains has the 

 stems conspicuously reddened and leaves somewhat greener compared 

 to the type prevalent in the Transition zone, which has light straw- 

 colored stems and rather glaucous foliage, but all gradations occur. 



2. CHBYSOPSIS 



1. Chrysopsis Breweri Gray, Proc. Am. Acad., vol. 6, p. 542. 1866. 



Type locality. "Near Sonora Pass and Ebbett's Pass, in the 

 Sierra Nevada, common at the elevation of 4,000 to 8,000 feet." 

 Brewer. 



Range. Sierra Nevada. 



Zone. Canadian and Arid Transition. 



Specimens examined. Donner Lake, Greene 416; same locality, 

 Torrey 214; above Donner Lake toward Donner Pass, HeMer 7048; 

 Thomas Canon, Washoe County, Nevada, 8,000 feet, Kennedy 1813; 

 head of Fall Creek, Ormsby County, Nevada, 2,460 m., Baker 1433 ; 

 Mt. Tallac, Tahoe, near the summit, Miss K. Chandler, August 12, 

 1901 ; Pyramid Peak, 9,500 feet, Hall and Chandler 4728 ; Half-Moon 

 Lake, Tahoe, 7,760 feet, McGregor 56 ; lateral moraine south of Fallen 

 Leaf Lake, Tahoe, 6,800 feet, Abrams 4800; Silver Lake, Amador 

 County, 8,000 feet, Hansen 772; near Ebbett's Pass, 4-8,000 feet, 

 Brewer 2692; Cloud's Rest trail, Yosemite, 7,600 feet, Smiley 502; 

 Nevada Falls, Yosemite, Chesnut and Drew, July 10, 1889; Snow 

 Creek trail to Lake Tenaya, Yosemite, 7,800 feet, Smiley 673; near 



