1918] 
GREENMAN—MONOGRAPH OF SENECIO 47 
Herb., Stanford Univ. No. 82451), түре; San Bernardino 
Mountains, July, 1904, Mrs. H. E. Wilder (U. S. Nat. Herb. 
No. 444995). 
103. S. eurypterus Greenm. nom. nov. 
S. appendiculatus Greenm. Monogr. Senecio, I. Teil, 24. 
1901, and in Engl. Bot. Jahrb. 32 : 20. 1902, name опу; Ann. 
Mo. Bot. Gard. 1 : 265. 1914, not DC. 
S. пео-техісатиѕ Gray, Proc. Am. Acad. 19 : 55. 1883; Syn. 
Fl. N. Am. 12: 392. 1884, and ed. 2, 1886, in part, as to plant of 
Thurber; Wooton & Standley, Contr. U. S. Nat. Herb. 19 : 747. 
1915, in part. | 
An herbaceous perennial, more or less white-tomentose 
throughout; stems one to several from an ascending or erect 
rootstock, 1.5 to 4 dm. high, at first tomentose, later somewhat 
glabrate, subfoliaceous ; leaves oblong-obovate to oblanceolate, 
including the petiole 2 to 14 cm. long, .9 to 2.5 em. broad, 
usually sharply dentate, rarely entire, in the younger stages 
white-tomentose on both surfaces, later more or less glabrate; 
stem-leaves similar, the uppermost sessile and usually ampli- 
ated into an irregularly dentate subaurieulate half-clasping 
base; inflorescence a terminal few to several-headed corym- 
bose cyme; heads 10 to 12 mm. high, radiate; involucre cam- 
panulate, minutely calyculate, sparingly tomentulose; bracts 
of the involucre about 21, linear-lanceolate, 5 to 7 mm. long; 
ray-flowers about 13, rays yellow; disk-flowers numerous, 60 
to 70; achenes glabrous. 
Distribution: mountains of New Mexico. 
Specimens examined: 
New Mexico: Mule Spring, May, 1851, Thurber 280 (Gray 
Herb.), түре; without definite locality, Mexican Boundary Sur- 
vey 662 (U. S. Nat. Herb.) ; Santa Magdalena Mountains, coll. 
of 1881, Vasey (U. S. Nat. Herb. Nos. 49347, 156602) ; Organ 
Mountains, Dona Ana Co., 25 April, 1895, Wooton (U. S. Nat. 
Herb.); Filmore Cafion, Organ Mountains, Dona Ana Co., 29 
April, 1899, Wooton (U. S. Nat. Herb.); Organ Mountains, 
Dona Ana Co., coll. of 1900, Wooton (C. C. Deam Herb.) ; Van 
Patten's, Organ Mountains, 9 June, 1906, Standley (U. S. Nat. 
