68 PROCEEDINGS OF THE AMERICAN ACADEMY 
Apparently nearest 2. rosea (Nees) Hemsl., which is said, however, to 
have the obtuse leaves short-petioled, the stem angled, and the rose- 
colored corolla 2 inches long. 
Brpens ROsEA Sch. Bip., var. aequisquama Fernald, n. var., invo- 
lucri squamis subaequalibus, eis seriei exterioris elongatis 5-8 mm. — 
longis. —Thickets near Uruapan, Michoacan, Mexico, alt. 1525 m., 
1 November, 1905, C. G. Pringle, no. 10,109 (type, in hb. Gray). 
Differing from B. rosea in the very elongate segments of the outer in- 
volucre, which in the original description of the species is said to 
shorter than the inner, and which in herbarium specimens measures 
2-4 mm. long. 
