[Vol. 2 



618 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



long; ray-flowers 5 to 8; disk-flowers rather numerous, 25 to 



45; achenes glabrous. 



Distribution : California and Oregon, near the coast. 



Specimens examined: 



California : on sand-stone bluffs at the mouth of the river 

 below Mendocino City, May, 1866, Bolander 4816 (Gray 

 Herb., Field Mus. Herb., and Mo. Bot. Gard. Herb.), type; 

 Humboldt, coll. of 1868-69, Kellogg & Harford 539 (U. S. Nat. 

 Herb, and Mo. Bot. Gard. Herb); Humboldt, coll. of 1866, 

 Kellogg 539 (Gray Herb.); Redwoods, Eel River, coll. of 

 1878, Rattan 33 (Gray Herb.); near Crescent City, Del 

 Monte Co., June, 1892, Burt-Davy & Blasdale 1072 (Field 



Mus. Herb.). 

 Oregon: Coast Mountains, Lat. 42°, June, 1884, Howell 



(Gray Herb.) ; Newport, June, 1892, Mulford (Mo. Bot. Gard 



Herb 



31. S. Harfordii Greenm. Contr. U. S. Nat. Herb. 11 : 597. 



1906. 



S. Bolanderi var. oregonensis Greenm. Monogr. Senecio, I. 

 Teil, 23. 1901, and in Engl. Bot. Jahrb. 32 : 19. 1902. 



A slender herbaceous perennial, glabrous throughout ; stem 

 erect or ascending from a creeping rootstock, 2 to 5 dm. high, 

 usually leafy; leaves mostly pinnately divided into cuneate 

 to subrotund crenate to laciniate-dentate divisions ; the radical 

 and lower stem-leaves petiolate, including the petiole 4 to 

 14 cm. long, 1 to 5 cm. broad, occasionally undivided, subro- 

 tund and crenately lobed and the lobes again crenate-dentate, 

 thin in texture, pale green in the dried state ; the upper stem- 

 leaves sessile; inflorescence a few-headed corymbose cyme; 

 heads 8 to 10 mm. high, radiate, including the conspicuous 

 yellow rays 1.5 to 2 cm. in diameter ; bracts of the involucre 

 usually 13, narrowly lanceolate, 5 to 6 cm. long, acuminate, 

 acute, glabrous; ray-flowers usually 5 (-8); disk-flowers 15 

 to 25 ; mature achenes 2.5 to 3.5 mm. long, glabrous. 



Distribution : mountains of Washington and Oregon. 



Specimens examined: 



Washington: on mountains near the Lower Cascades, 

 Skamania Co., 29 May, 1886, Suksdorf (Gray Herb.); in 



