598 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Specimens examined: Near Mount Adams, Henderson 2308; Yakima region, Brandegee 

 915; Chiquash Mountains, Suksdorf 2167 . 

 Zonal distribution: Hudsonian. 



6. Senecio ovinus Greene, Pittonia 4: 110. 1900. 

 Type locality: "On Sheep Mountain, Alberta." 

 Range: Washington, Montana, and Alberta. 



Specimens e.\ahined: North Fork of Bridge Creek, ff/mer, August, 1897; Horseshoe 

 Basin, Lake cfe Hull, August 24, 1892. 

 Zonal DisTRiBimoN: Arctic. 



7. Senecio pseudaureus Rydberg, Bull. Torr. Club 24: 298. 1897. 

 Type loc;ality: Little Belt Mountains, Montana 



Range: Washington to Nevada and Colorado 



Specimens examined. Cast-ade Mountains, 49°, Lyall in 1860, Mount Adams, Suksdorf 

 570, Falcon Valley. Suksdorf 57\, without locality Brandegee 917, Ellensburg, Elmer 431; 

 Whiled 442; Lake Keechehis, Henderson in 1892; without locality, Fascy in 1889; Fort 

 Okanogan, Wilkes Expedition 971 



Zonal distribution: Canadian. 



8. Senecio adamsi lloweli, Fl. N W. Am. 379. 1900. 

 Type ixxality Mount Adams, Washington 

 Range. Known only liom Mount Adams 



Specimens examined Mount Adams, Suksdorf 73, Henderson 2309; Flett 1093. 

 Zonal distribution Arctic 



0. Senecio cymbalarioides Nutt Trans Am. Phil. Soo. 7: 412. 1841. 



Type lo<ality. "In Oregon" 



Range. Washington to Athabasca and Utah 



Specimens examined Cascade Mountains, 49°, Lyall in 1860, Mount Chapac^, Elmer 

 592; Pinyon Creek, Gorman 809, Ttventy-tive Mile Creek, Gorman 810. 



10. Senecio fratemus sp. nov 



Perennial, glabrous throughout, the several more or less flexuous stems erect or nearly so, 

 arising from a stout caudex, stems al)out 30 cm high, somewhat coarsely striate, basal 

 leaves thickish, somewhat quadrangular, sul)entire or with 7 to 11 coarse sinuations, 2 to 

 3 cm. long, the blade abruptly contracted to a narrowly-margined petiole about twice as 

 long; cauline leaves about 6 spatulate-oblanceolate to oblong, be(H)ming smaller and lobed 

 upward, sessile or nearly so, the lateral 1oIm»8 4 to 8, oblong-linear, obtuse, heads 8 to 12 

 in a rather close or convex cymose cluster, only the lower elongated rays branched, invo- 

 lucre somewhat turbinate, of from 11 to 13 linear-lanceolate acutish bracls 6 to 7 mm long, 

 with a few calyculate ones at base, rays few, bright yellow, oblong, 7 mm long, florets 15 

 to 20, akenes glabrous 



Collected on Mount Stuart, Kittitas County, Washington, by Sandberg & Leiberg, no. 

 553, July 24, 1893, at an altitude ol 1,060 meters. The type specimen is in the United 

 States National Herbarium, numbered 285758 



The species is somewhat intermediate between 5 cymbalanoides Nutt and 5. adamsi 

 Howell. 



11. Senecio balsamitae Muhl , Willd. Sp. PI 3: 1998 1803. 

 Type locality- "In America boreali " 



Range: British Columbia and Washington to Quebec and Pennsylvania. 

 Specimens examined Colville Reservation, Griffiths tfe Cotton 366, Republic, Beattie & 

 Chapman 2256, Wenache, Whiled 1096, Pasco, Hindshaw S. 

 Zonal distribution. Transition. 



