ROBINSON AND GREENMAN. — GENUS VERBESINA. 555 
exceeded by the flowers of the at length subglobose disk: achenes (young) 
obovate, 2 mm. long, puberulent; wings equal but ear-like, confined to 
the upper part of the achene and more or less adnate to the two pappus 
awns, these nearly as long as the body of the achene.— Chiapas, Mexico. 
near Tumbala, altitude 1,200 to 1,700 m., HZ. W. Nelson, no. 3364. 
Types in herb. Gray and herb. U. S. Nat. Misscund 
2. Leaves grayish-tomentulose (not scabrous) beneath: pedicels slender: Mexican. 
72. V. cinerascens. Branches downy with soft spreading pubes- 
cence, terete, pithy: leaves alternate, lance-oblong, attenuate at both 
ends, remotely serrate, puberulent and scabrous above, grayish-tomentu- 
lose beneath, pinnately veined, 1 to 1.3 dm. long, 3 cm. broad: corymbs 
compound, fastigiate, about 40-headed; pedicels tomentulose, 3 cm. long, 
erect, the middle one abbreviated ; ovate-oblong involucral scales acutish, 
pubescent, 4 mm. long: flowers pale yellow: rays about 10, narrowly 
oblong, 8 mm. in length: achenes of the disk-flowers narrowly and some- 
What unequally winged; the body 2.5 mm. long, upwardly puberulent. 
— On cool wooded slopes of a barranca near Goadaiaiars, Jalisco, 20 
November, 1888, C. G. Pringle, no. 1806 (distributed as V. salici- 
folia). Type in herb. Gray. 
3. Leaves tomentulose at least on the veins beneath, green and at length decidedly 
scabrous on both surfaces: scales of involucre broadly ovate ; pedicels short 
and thick 
73. V. crassipes. Shrub with terete wingless dark purple scabrous- 
tomentose branches: leaves alternate, obovate-lanceolate, serrate, acute, 
sessile by a cuneate neither auriculate nor decurrent base, papillose and 
very. scabrous above, green, tomentulose (at least on the nerves and 
pinnate veins) and at length scabrous beneath, 6 to 9 cm. long, a third 
as broad, the margins tending to be revolute: corymbs dense, many- 
headed; pedicels thick, mostly very short: fruiting heads depressed- 
globose, 1.5 cm. in diameter: involucral scales ovate-oblong to obovate, 
finely appressed-pubescent, the outer obtuse, thickened below, the inner 
acute, somewhat stramineous; pales broad, ovate, acute, stramineous, 
somewhat ciliate above: rays about 10, linear-oblong, 8 to 9 mm. long: 
achenes of the disk-flowers, 3 to 4 mm. long, oblong, narrowly and sub- 
equally winged; awns 2, slender, subequal. — Oaxaca, Cafiada Sta. 
Maria, 8 December, 1895, C. & E. Seler, no. 1476, also by the same 
collectors in the district of Nochistlan, 14 December, 1895, no. 1590. 
Types in herb. Gray and herb. Berlin Museum. 
