PTPER FLORA OF T?TE STATE OF WASHINGTON. 597 



2. Senecio harfordii Greenman, sp. nov. 



(ilahroiis or essentially so throughout; stem erect or ascending from a slender rootstock, 

 2 to 5 dm. high, somewhat glaucous, usually leafy; leaves mostly pinnately divided, with 

 irregularly lobed divisions, and these in turn dentate, including the petiole 4 to 14 cm. 

 long, 1 to 5 cm. broad, thin in texture, and drying pale green; the lowermost leaves often 

 uiulivided, rotund and crenately lobed; uppermost leaves epetiolate: inflorescence a ter- 

 minal corymbose cyme, few to many- (2 to 30-) headed; heads mostly less than 1 cm. high, 

 including the rays 1.5 to 2 cm. in diameter; involucre shorter than the flowers of the disk; 

 bracts of the involucre about 13, narrowly lanceolate, 5 to 5.5 mm. long, acuminate, acute, 

 glabrose; ray-flowers commonly 5; rays bright yellow; disk flowers IS to 25; achenes 2.5 to 

 3.5 mm. long, glabrou.s. 



Oregon: Rocky high lands, Cascade Mountains, May 31, 1869, W. G. W. Harford <& 

 Geo. W. Dunn 540 (hb. Gray), type; Rooster Rock, June, 1877, J. Howell (hb. Gray, and 

 hb. Field Mus.) ; rocky banks of Columbia River, western Oregon, June, 1880, Thomas J 

 Howell (hb. Field Mus.); Bonneville, Multnomah County, July 17, 1885, W. N. SuBdorf 

 572 (hb. Gray); Multnomah Falls, July 27, 1902, E. P. Sheldon 11004 (hb. Gray), and at 

 the same locality, June 25, 1904, C. V. Piper 6212 (hb. Gray). 



Washington: On mountains near the Lower Cascades, May 29, 1886, W. N. Suksdorf 

 (hb. Gray); in woods. Lower Cascades, May 29, 1887, l^. N. Suksdorj 872 (hb. Gray), 

 south of Mount Adams, August 4, 1887, J. B. Flett 1087 (hb. Piper). Differs from S. 

 holanderi A. Gray in being essentially glabrous throughout, in having somewhat thinner 

 leaf texture, a shorter involucre with f(>wer involucral bracts and fewer flowers. 



3. Senecio flettii Wiegand, Bull. Torr. Club 26: 137. 1899. 



Typk i-ocwLrrv: " Near the headwaters of the Quilceue River, Olympic Mountains." 

 Collected by Flett. 



Range: Olympic Mountains, Washington. 



Specimens examined: Olympic Mountains, Flett 801; Elmer 2620, Mount Steele, Pifer 

 2196, 929. 



Zonal distribution: Arctic. 



4. Senecio pauciflorus Pur.sh, Fl. 2: 529. 1814. 

 Type locality: "In Labrador." 



Range: British Columbia and Washington to Labrador. 



Specimens examined: Mount Constitution, Henderson 2312; Big Meadows, Kreager 428- 

 Deming, Flett 852 in part. 



Zonal distribution: Transition and Canadian. 



4a. Senecio pauciflorus fallax Greenman, sul).sp. nov. 



Stem erect, ai)out 5 dm. higii; lower stem-leaves 3 to 8 cm. long, 1 to 2.5 cm broad, 

 pinnately parted with deep broad sinuses between the lateral divisions, blackish or dark 

 green in the dried state; segments narrowly oblong to subovate, obtusely toothed; upper 

 leaves reduced to mere bracts; inflorescence cymose, few-headed; heads 8 to 10 mm high, 

 radiate, involucre campanulate; bracts of the involucre 18 to 21, linear acute, 6 to 8 mm. 

 long, slightly purplish-tipped, glabrous, ray-flowers 10 to 12; rays yellow; disk-flowers 50 

 to 60, achenes glabrous. 



Washington: Roadside in partial .shade, Deming, Whatcom County, June 30, 1898, J . B. 

 Flett, no. 852 in part (type in hb. Piper, fragment and tracing in hi) (iray). 



The subspecies /(;//«i' is readily separated from D. pseiidaureus on the characters of the 

 foliage 



5. Senecio subnudus DC. Prod. 6: 428. 1837. 



Senecio aureus subnudus A. Gray, Syn. Fl. 1-: 391. 1884. 

 Type locality. "Ad Columbia River." Collected \>y Douglas. 

 Range. Washington and Montana to Calilorma. 



