1915] 



GREENMAN — MONOGRAPH OF SENECIO 619 



woods, Lower Cascades, 29 May, 1887, Suksdorf 872 (Mo. 

 Bot. Gard. Herb.) ; summit of Mt. Adams, 4 Aug., 1899, Flett 

 1087 (Piper Herb.). 



Oregon: Rooster Rock, June, 1877, Howell (Gray Herb.) ; 

 Cascade Mountains, 31 May, 1868-69, "Kellogg & Harford," 

 namely Harford & Dunn 540 (Gray Herb.), type; near 

 Bonneville, Multnomah Co., 11 July, 1885, Suksdorf 572 

 (Gray Herb.) ; Multnomah Falls, 25 June, 1904, Piper 6212 

 (Gray Herb.) ; Bonneville, 24 June, 1905, Palmer (U. S. Nat. 

 Herb. ) . 



32. S. Flettii Wiegand, Bull. Torr. Bot. Club 26 : 137, 

 pi. 355. 1899 ; Greenm. Monogr. Senecio, I. Teil, 23. 1901, and 

 in Engl. Bot. Jahrb. 32 : 19. 1902 ; Piper, Contr. U. S. Nat. 

 Herb. 11 : 597. 1906. 



An herbaceous perennial, 1 to 2 dm. high, glabrous through- 

 out; leaves mostly basal, petiolate, including the petiole 4 to 

 12 cm. long, 1.5 to 2 cm. broad, undivided, ovate-orbicular and 

 crenate-dentate to pinnately parted, upper stem-leaves few, 

 1 to 3, incisely pinnate to linear and bractiform; inflorescence 

 terminating the stem in a few-headed corymbose cyme ; heads 

 about 1 cm. high, radiate; involucre narrowly campanulate, 

 sparingly calyculate; bracts of the involucre 8 to 13, linear- 

 lanceolate, 5 to 6 mm. long, thickish, glabrous; ray-flowers 

 commonly 5 ; disk-flowers about 20 ; achenes glabrous. 



Distribution : Washington. 



Specimens examined: 



Washington: loose rocks, Olympic Mountains, alt. 1830 m., 



27 Aug., 1898, Flett 801 (Piper Herb.), co-type; Olympic 

 Mountains, Clallam Co., Aug., 1900, Elmer 2620 (Mo. Bot. 

 Gard. Herb.) ; Angeles, Clallam Co., 29 June, 1908, Flett r 

 3351 (U. S. Nat. Herb.); in volcanic sands, Olympic Moun- 

 tains, alt. 1525 m., Sept., 1890, Piper 929 (Gray Herb., Mo. 



Bot. Gard. Herb., and U. S. Nat. Herb.) ; crevices of volcanic 

 rock, Olympic Mountains, alt. 2135 m., Aug., 1895, Piper 

 2196 (U. S. Nat. Herb., Gray Herb., and Piper Herb.) ; Yakima 

 Region, coll. of 1882, Brandegee 176 (Mo. Bot. Gard. Herb.). 



(To be continued.) 



