516 PROCEEDINGS OF THE AMERICAN ACADEMY. 
in part, not however Sch. Bip. in Seem. Bot. Herald, 304. — Appar- 
ently common about Bogota, where coll. by Funck & Schlim, without 
number, Holton, no. 364; also in Ecuador at Chiquiribamba, altitude 
3,000 m., André, no. 4444. 
= = = Fruiting pales as in the last group but their points decidedly 
recurved and uncinate. 
a. Leaves rarely lobed, tomentose beneath. 
21. M. uncrnata, Sch. Bip.1.c. 406. Shrub, 2 to 4 m. high: sordid- 
or canescent-tomentose upon the younger parts: leaves ovate-lanceo- 
late, serrulate, undivided or sub-3-lobed, caudate-acuminate at the apex, 
narrowed to an inconspicuously or obsoletely biauriculate base ; petioles 
tomentose, 2 to 3 em. long: heads numerous in an open corymb: fruiting 
pales conduplicate, obovate, somewhat narrowed below, stramineous, 
passing at the summit into a small recurved point. — Hemsl. l. c. 166. 
— Mexico, Cumbre de Estepa, Ziebmann, no. 484, also mountains of 
Oaxaca, Pringle, no. 4929, E. W. Nelson, nos. 1853, 1959, C. & £. Seler, 
no. 1512, O. L. Smith, no. 243. Type number in herb. Gray. 
ae 
b. Leaves mostly angulate-lobed, pruinose-tomentulose beneath. 
22. M. patens, Gray. Shrub, 2 to 4m. high: branches pruinose- 
puberulent: leaves broad and distinctly 3(—5)-angled or -lobed, abruptly 
contracted to a biauriculate base, green and scabrous above, paler beneath, 
1.2 to 2 dm. long, 7 to 14 cm. broad, apex and upper lobes acute, the 
lower angles mostly obtuse ; petioles 2 to 8 em. long: corymb 2 to 3 dm. 
broad; heads (incl. rays) 2 to 3 em. broad; pedicels slender ; pales much 
as in the preceding, at length very large, 1.1 cm. long; the wings with 
short rounded lateral lobe. — Proc. Am. Acad. xxi. 888. ML. atriplict- 
folia, Sch. Bip. in Seem. Bot. Herald, 304, as to plant Seemann, but not 
as to synon. J. arborescens, Hemsl. 1. c. 164, in part, not Montagne 
arborescens, DC. 1. c. 565. —§. W. Chihuahua, Palmer, August to 
November, 1885, no. 164, Goldman, no. 216; Sonora, altitude 1,200 m., 
Hartman, no. 302 ; N. W. Mexico, Seemann ; Alamos, Palmer, no. 361} 
Oaxaca at Jayacatlan, altitude 1,300 m., ZL. C. Smith, no. 266. Type 
in herb. Gray. 
= = = = Fruiting pales retuse at the summit and tipped with a short straight 
mucro. 
2 23. M. suprruncata, Gray. Branches somewhat 4-angled ; branch- 
‘lets, pedicels, and petioles subglabrous: leaves ovate, serrate, acuminate, 
with or without one or two obtuse angles at the sides, truncate or broadly 
