~ 
A. multicaule, Schaffner ace. 
149; Gray, Be 
Bot. ii. 260. ? H. Lagopus, Don, ‘Trans. Linn. Soc. xvi. 176 (1830)5 
29 PROCEEDINGS OF THE AMERICAN ACADEMY, 
elongated, sending off tough simple roots; stem simple, 2 to 5 dm, highs 
flexuous, covered throughout with long spreading hairs: basal leaves 
2 to. 3, oblong-lanceolate, rounded and apiculate at the apex, narrowed 
at the base, 3 to 5 cm. long, 10 to 16 mm. broad, hirsute upon both 
surfaces, paler beneath, glaudular-denticulate : petioles nearly as long;* 
eauline leaves about 3, somewhat remote, oblong or oblanceolate, 
obtusish to acute, denticulate, somewhat narrowed toward the sub- 
clasping base: heads about 3 ; peduncles densely tomentose and bristly 
with glandular hairs; involucral scales dark colored, attenuate, glandular- 
pubescent, in fruit 1 em. long: corollas apparently white or very light 
yellow: achenes reddish black, columnar, 3 mm. long; pappus in dried 
specimens sordid white.— Srarz or Mexico: valley of Mexico, Bour- 
geau, no. 384 (hb. Gr.), Schaffner, no. 309 (hb. Gr.). Oaxaca: 
Sierra de San Felipe, alt. 3000 m., Pringle, no. 4715 (bb. Gr.), type a 
Distinguished from the preceding by its fewer larger heads, and by the 
stem, which is setose to the summit with hairs 2 mm. long. 
16. H. mexicanum, Less. Stems 1 to several, slender, 2 to 5 dm. 
high, flexuous, sometimes branched, more or less hairy toward the base; 
glabrous (to the unassisted vision) above or yery finely tomentulose, 
never setose; caudex woolly-tufted at its summit: leaves essentially 
confined to a basal rosette, thickish, oblong-lanceolate, obtuse to acute, 
including the narrowed petiolar base 3 to 7 em. long, 1 to 1.5 cm. broad, 
- more or less villous-pubescent upon both surfaces, much paler beneath, — 
glandular-denticulate ; cauline leaves none or 1 or 2, much reduced, a 
oblong-linear, acute: heads 8 to 10 to (rarely) 26, narrow, about 20- 
flowered ; involucral scales dark colored, narrow, from smoothish te 
tomentulose and minutely bristly-glandular : 
Linnaea, v. 133 (1830) ; Fries, 
Fries, Epicris. Hierac. 149 qa 
Hierac. 17 (1881), ex char, 
(hb. Gr.) ; Sierra de las Cruces aM 2600 m., 
Schaffner, Pringle, no. 5322 (ib. Gr.); dry pine eta Nevada de 
aC eee 2 
in 
j 
ie 
achenes 2 to 8 mm. long.— _ 
