SUNFLOWER FAMILY 449 
39. Senecio harférdii Greenm. Cascade Butterweed. Fig. 5780. 
Senecio harfordit Greenm. in Piper, Contr. U.S. Nat. Herb. 11: 597. 1906 
similar to S. bolanderi but with somewhat thinner, = more evidently lobed leaves 
and bok Bess nate heads, the glabrous ‘alba sean 4-6 mm. high. 
Moist rocky woods and banks, Humid Tran sition Zone; Cascade region phe southern Washington (Skamania 
County) to southern Oregon, cepecistly in and oe ie a: Columbia eens ; also, less coramaly, in the Willamette 
Valley and Oregon Coast Ran ell back from the ocean. Type locality: Cascade Mountain s, Oregon, presumably 
n the Columbia Gorge. May a a RA 
40, Senecio bolanderi A. Gray. Seacoast Butterweed. Fig. 5781. 
Senecio bolanderi A. Gray, Proc. Amer. Acad. 7: 362. 1868. 
Perennial from a gen ching A chia mostly 1-6 dm. tall; herbage glabrous or with a little 
inconspicuous, persistent, tawny, floccose tomentum at the base and in the leaf-axils. Basal me 
well developed and persistent rather ick and firm, petiolate, the blade commonly c orda te, 
ng and wide, gen i e lo 
: olucre 5-8 igh, the 
about 13 to about 21, habe neatly with few s loose, conspicuously multicellular hairs and 
often with a few well- developed, iiss gros Hy rays 6-12 mm. long; achenes glabrous. 
Bluffs, woodlands, and beaches, Humid Transition Zone; along the coast from the saprawt of the Columbia 
River to northern Calitoenta (ikeetiing County). Type locality : near Sadccins City, California. June-July. 
dii 5779. Senecio flettii 
a777. 5 io clevel 
5778. Senecio layneae 5780. Senecio harfordii 
