338 PROCEEDINGS OF THE AMERICAN ACADEMY. 



1905, Prinxjle 13547; Oaxaca: Cerro San Antonio, 1650 m., 26 June 



1906, Conzatti 1431; Chiapas: 1804-1870, Ghieshrcght 133,539 (both 

 with panicle and under side of leaves along veins loosely pubescent); 

 Mexico without locality: 1864, Baifes; Galeotti 2086, 2087 (types 

 of E. Galeottii Gray, in Gray Herb.)- Guatemala: Dept. Alta Vera- 

 paz, Dec. 1907, Turckhehn II 2043 (large-leaved) ; Dept. Araatitlan, 

 near Amatitlan, 20 July 1860, Sutton Hayes; Dept. Jalapa, Laguna de 

 Ayarza, Sept. 1892, Heyde & Lux 3792. 



IjS. C. MExiCANA (DC.) Hemsl. var. hyperdasya Blake, n. var., 

 foliis infra ubique dense pubescentibus, supra venis exceptis glabratis 

 vel scabriusculis, caulibus et gemmis et inflorescentia fuscis cum pilis 

 tomentosis lente subglabratis. — Oaxaca: ravines of hills near Oaxaca, 

 1830 m., Sept. 1894, Pringle 4896 (type sheet in Gray Herb.); La 

 Carbonera, 2165 m., 20 Sept. 1895, L. C. Smith 808; Cerro de San 

 Felipe, 2000 m., 1 Sept. 1897, Conzatti & Gonzalez 545, 546; San Juan 

 del Estado, 18 June 1894, L. C. Smith 25; near Reyes, 1830-2290 m., 

 17 Oct. 1894, Nelson 1718 (approaching the next form); Hidalgo: 

 Mineral del Monte, C. Ehrenherg 354. 



I7. C. MEXICANA (DC.) Hemsl. var. hyperdasya Blake f. holo- 

 tricha Blake, n. forma, foliis parvis utrimque cineraceis pube densa 

 subscabra. — Puebla: vicinity of San Luis Tultitlanapa, July 1908, 

 Pur pus 3099 (type sheet in Gray Herb.). 



* * Heads long-peduncled, solitary or rarely somewhat panicled. 

 -)— Leaves 2-5 cm. long, cuneately oblanceolate or obovate; disk-corollas 5- 



toothed. 



2. C. CUNEIFOLIA Greenm. Suffruticose, trichotomously branched, 

 the young growth pubescent, later glabrate; leaves pale green espe- 

 cially beneath, with a few loose hairs when young, mucronately 5-11- 

 toothed above the middle, tapering to a sessile margined l)ase; heads 

 8-10 mm. high, 2 cm. across the rays. — Proc. Am. Acad. xl. 43 (1904). 

 — Jalisco: dry rocky mountains above Etzatlan, 2 Oct. 1903, Prmg^/e 

 8781; Sierra de San Estaban, near Guadalajara, 1830 m., 21 Oct. 

 1903, Prm(7/e 11900; Durango: 16 Aug. 1897, iio^c 2344. 



-1— -1- Leaves 1-2 cm. long, oval; disk-corollas 4-toothed. 



3. C. parvifolia Blake, n. sp., fruticosa trichotome ramosa juven- 

 tate appresse pubescens denique glabrata cortice cano; foliis parvis 

 1-2 cm. longis ovalibus supra appresse pubescentibus infra paullum 

 crinitis vel glabratis supra partem inferiorem integram utroque ca. 

 5-mucronato-dentatis, summis imminutis subintegris; pedunculis 

 solitariis ramos terminantibus 3-6.5 cm. longis subpubescentibus; 



