598 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



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

 915; Chiquash Mountains, SuJcsdorf 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.xamined: North Fork of Bridge Creek, Elmer, August, 1897; Horseshoe 

 Basin, Lake cfc Hull, August 24, 1892. 

 Zonal distribution: Arctic. 



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

 Type locality: Little Belt Mountains, Montana 



Range: Washington to Nevada and Colorado 



Specimens examined; Cascade Mountains, 49°, Lyall in 1860, Mount Adams, SuJcsdorf 

 570, Falcon Valley. SuksdorJ 571 . without locality Brandegee 917, Ellensburg, Elmer 431; 

 Whited 442; Lake Keechekis, uenderson in 1892; without localitj', Tasfi/ in 1889; Fort 

 Okanogan, Wilkes Expedition 971 



Zonal DISTRIBUTION: Canadian, 



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

 Type localitv Mount Adams, Washington. 

 Range. Known only liom Mount Adams 



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

 Zonal distribution Arctic 



9. Senecio cymbalarioides .\utt Trans Am. Phil. Soc. 7: 412. 1841. 

 Type locality. " In Oregon ' 



Range. Washington to Athabasca and Utah 



vSpecimens examined. Cascade Mountains, 49°, Lyall in 1860, Mount Chapaca, Elmer 

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



10. Senecio fraternus sp nov 



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

 arising from a stout caudex, stems about 30 cm high, somewhat coarsely' striate, basal 

 leaves thickish, somewhat quadrangular, subentire 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, becoming smaller and lobed 

 upward, sessile or nearly so, the lateral lobes 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 bracts 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 & Leibeig, no. 

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

 States National Herbarium, numbered 2857.58 



The species is somewhat intermediate between 5 cymhalanoides .Nutt and S. adamsi 

 Howell. 



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

 Type locality- "In .\merica boreali " 



Range: British Columbia and Washington to Quebec and Penn.sylvania. 

 Specimens examined Colvjile Reservation, Griffiths & Cotton 366, Republic, Beattie cfc 

 C tin prrtan 2256, Wenache, Whiied 1096, P&svo ^ Hmdshaw H. 

 Zonal distribution. Transition 



