16 PROCEEDINGS OF THE AMERICAN ACADEMY. 
1 or 2, much smaller, lance-oblong, acute: heads 3 to 40, rather large: 
inner scales of the involucres 10 to 12 mm. long: achenes at length red- 
dish black; pappus sordid white. — Bonplandia, ix. 173 (1861); Gray, 
Proc. Am. Acad. xix. 69, & Syn. Fl. i. pt. 2, 429, including the poorly 
marked var. discolor. H. nigrocollinum, Wats. Proc. Am. Acad. xxv. 
133 (1890). Orepis ambigua, Gray, Pl. Fendl. 114 (1848), & Ph 
Wright, ii. 106 (not i, 129).— New Mexico: banks of Santa Fe 
Creek, Fendler, no. 488 (hb. Gr.) ; Organ Mountains, Wright, no. 1427 
(hb. Gr.) ; Mogollon Mountains, G. R. Vasey. ARIZONA: Santa Rita 
Mountains, alt. 1825 to 2450 m., Pringle (hb. Gr.) ; Tanner’s Cafion 
near Ft, Huachuca, Lemmon, no. 2804 (hb. Gr.); Willow Spring, 3 
Palmer, no. 532 (hb. Gr.) ; vicinity of Flagstaff, Mac Dougal, no. 19 (hb. 
Gr.). Curauanva: Sierra Madre, Pringle, no. 1536 (hb. Gr.) ; pine 
forest near Chuchuichupa, Hartman, no. 698 (hb. Gr.) ; near Colonia 3 
Garcia, Townsend § Barber, no. 23 (hb. Gr.). Lower CALIFORNIA: 
La Chuparosa, Brandegee (hb. Gr.). Extending northward to : 
Dakota. 
2. H. brevipilum, Greene. Stem erect, 47 cm. high, leafy only 
near the base, pilose with slender spreading or slightly reflexed hairs: 
leaves narrowly oblong, rounded to acute at the apex, remotely and — 
obscurely glandular-denticulate, pilose upon both surfaces: heads about a 
8, subracemose ; peduncles and long narrow involucral scales glandular — 
hispid: corollas greenish yellow: achenes dark red; pappus white of — 
nearly so. — Bull. Torr. Club, ix. 64 (1882). H. Fendleri, var. mogollensé, : 
Gray, Proc. Am. Acad. xix. 69 (1884), & Syn. Fl. i. pt. 2, 42% — 
H. erythrospermum, Greene acc. to Gray, ll. cc.— New Mexico: x 
Mogollon Mountains, Rusby (hb. Gr.). 
3. H. prionophilum, n. sp. Stem stout, erect, green, striate, 12 dm. 
high, leafy, covered with long spreading hairs (tawny in dried speci- 
mens): basal leaves wanting at anthesis, the cauline about 7, thin, oblong — 
lanceolate, acutish, strongly dentate, sparsely hirsute upon both surfaces; A 
scarcely paler beneath, 10 to 18 em. long, 2 to 5 em. broad, the upper : 
M 
most reduced, caudate-attenuate: corymbose panicle about 50-headed ; : 
its branches curved upwards, tapering; pedicels slender, spreading, t0- — 
mentulose and covered with minute spreading dark glandular bristles: 
corollas greenish white: achenes reddish black ; pappus bright white. — 
Cutmvanva: shaded ledges, Arroyo Aucho, Sierra Madre, Pring’ 
no. 1314 (hb. Gr.). San Luis Porost: alt. 1825 to 2450 m., Parry 
§ Palmer, no. 551 (hb. Gr.). 
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