ROBINSON AND GREENMAN. — HIERACIUM. 21 
no. 66 (hb. Gr.) ; pine woods near Eslava, alt. 2420 m., Pringle, no. 
9363 (hb. Gr.). Micnoacan: hills, Patzcuaro, Pringle, no. 5270 
(hb. Gr.). Moretos: mountain woods above Cuernavaca, alt. 2260 
m., Pringle, no. 8053 (hb. Gr.). Vera Cruz: near Orizaba, Bourgeau, 
no. 2800 (hb. Gr.); Volcano Tuxtla, alt. 600 to 1450 m., Nelson, no. 
462 (hb. Gr.); Orizaba, Botteri, no. 144 (hb. Gr.). Pursra: Mount 
Popocatepetl, alt. 3000 m., Schaffner, no. 68 (hb. Gr.). Oaxaca: 
Sierra de San Felipe, alt. 6000 m., Conzatti § Gonzalez, no. 695 (hb. 
Gr.); Sierra de San Felipe del Agua, alt. 695 m., Conzatti § Gonzalez, 
no. 401, in part (hb. Gr.) ; Oaxaca, Conzatti § Gonzdlez, alt. 525 m., no. 
1004 (hb. Gr.). Catapas: Ghiesbreght, nos. 20, 574 (in both hb. 
Gr.); near San Cristobal, alt. 2100 to 2660 m., Nelson, no. 3225 
(hb. U. S. Nat. Mus.). GuatemaLA: Department of Santa Rosa, alt. 
750 m., Heyde & Lux, no. 3784 (of J. D. Smith’s distrib.). 
13. H. anthurum, Fries. Very tall; stem-leaves linear, the 
lower attenuate into a petiole, the upper sessile: inflorescence becoming 
6 dm. long; involucres very hirsute with dark glandular hairs; pappus 
reddish. — Symbol. Hierac. 153 (1848), & Epicris. Hierac. 157 ; Hemsl. 
Biol. Cent.-Am. Bot. ii. 259.—Oaxaca: Sierra de Zempoaltepec, 
Liebmann. Not seen; characters compiled. 
«+ + Stem-leaves 0 to 3, rarely over 7 cm. long. 
14. H. comatum, Fries. Leafy and sericeous at the base; stem 
leafy and strongly hirsute near the base, 4 to 6 dm. high, subglabrous 
above: leaves oblong-lanceolate, hirsute upon both surfaces, thickish, 
much paler and glaucous beneath; the lower cauline and radical obtuse 
or rounded, cuspidate-denticulate, the upper lance-linear, attenuate ; 
heads loosely paniculate, small; peduncles spreading, filiform, canescent- 
tomentulose, finely glandular-pubescent. — Symbol. Hierac. 148 (1848), 
including var. trregulare, a much branched narrow-leaved form, & 
Epicris. Hierac. 152; Hemsl. Biol. Cent.-Am. Bot. ii. 259. — PursBia: 
in pine woods at Chinantla, alt. 2100 to 2400 m., Liebmann (sketch in 
hb. Gr.) ; near Calchicomula, Rose § Hay, no. 5806 (hb. U. S. Nat. 
Mus.). Oaxaca: Sierra de San Felipe, grassy wooded slopes, alt. 
2400 m., Pringle, no. 4701 (hb. Gr.), dry ridges under pines, alt. 2560 
to 3000 m., Pringle, no, 4708 (hb. Gr.), alt. 2860 to 3300 m., Nelson, 
no. 1077 (hb. U. S. Nat. Mus.) ; Sierra de San Felipe del Agua, alt. 
2300 m., Conzatti & Gonzdlez, no. 401, in part (hb. Gr.); west slope of 
Mount Zempoaltepec, alt. 2300 to 2410 m., Nelson, no. 593 (hb. Gr.). 
15. H. oaxacanum, n. sp. Caudex hairy at the oblique summit, 
