167 
Esenbeckia Hartmanii, Robinson et Fernald in PAA. xxx. 118 
(1894); CNH. v. 111; N. Am. Fl. xxv. 200. 
Culiacan, Palmer 1801. 
Casimiroa edulis La Llave et Lex.; SBH. 273; CNH. v. 165, 21%; 
N. Am. Fl. xxv. 214; Popenoe, Man. Trop. Fruits, 4465. 
Frequent in the states of Sinaloa and Durango, both wild 
and cultivated, Seemann 2137; Mazatlan, Rose 3105. San 
Ignacio: Arroyo de Chinacates, 80 m. Gonzalez 166. 
Vernacular names ‘‘ Zapote blanco ”’ “ Zapote dormilon.” 
Citrus medica Z.; Kew Bull. 1894, _ Kew Bull. Add. 
Ser. ix. 131; CNH. v. 165; N. Am. Fl. xxv. 222. 
Near Colinuea, Rose 1740. “A oan ‘to in the foothills 
growing as an escape.” 
SIMARUBACEAE. 
Alvaradoa anes Liebm.; N. Am. Fl. xxv. 239; Fedde 
Rep. xiv. 
San Tonacio | El Bado hondo, 400 m. Gonzalez 770. Choix: 
in woods between Hornillo and Choix, 100 m., Hndlich 729. 
Vernacular names “ Pié de Gallo” (Gonzalez), ‘‘ Afil negro” 
(Endlich). 
OcHNACEAE. 
Ouratea sp 
Bhbuiaagss Cerrito del Fuerte, 30 m., Gonzalez 1134. 
Vernacular name “ Palo Chino.” 
Gonzalez’ material is insufficient for description. With the 
exception of a specimen from Acapulco (Palmer 412) I have no 
other records of the genus from Western Mexico. 
. 
Burseraceag, | | be 
“Bursera arborea (Rose) Riley, comb. nov.—Terebinthus arborea 
Rose in CNH. x. 118 (1906). Hlaphrium arboreum Rose in 
N. Am. Fl. xxv. 247. 
Near Rosario, Rose 1821; between Rosario and Concepcion, 
Rose 3259a, 3259b, 3259e. 
“B. attenuata (Rose) Riley, comb. nov. —Terebinthus attenuata 
in CNH xii. 278 (1909). Hlaphriwm attenuatum Rose in 
N. Am, FI. xxv. 247. 
Near Colomas, Rose 3213. 
B. bipinnata — Engler ; in v. 204.—Elaphrium bipinnatum 
Schlecht.; N. Am. Fi. . 249. Terebinthus  bipinnata 
W. FE. Wight; CNH. x. 119. 
Cerro Colorado, Brandegee. 7 
B. collina Brandegee in we v. 204 (1905).—Hlaphrium collinum 
Rose in N. Am. Fl. xxv 
Cofradia, Brandegee. 
