1654 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM 



Quercus impressa Trel. Mem. Nat. Acad. Sci. 20: ISl. pl..S64. 1624. 

 Type from Salome, Oaxaca. 



Quercus seleri Trel. Mem. Nat. Acad. Sci. 20: 181. pi. 364. 1924. Type 

 from Casa de Tepozteco, Morelos, at 2,000 meters. 



Quercus roseovenulosa Trel. Mem. Nat. Acad. Sci. 20: 182. pi. 366. 1924. 

 Type from Salto de Agua, Mexico. 



Quercus sipuraca Trel. Mem. Nat. Acad. Sci. 20: 182. pi. 366. 1924. 

 Chihuahua, the type from "Bajio de Tonachic." "Sipuraca," "encirto Col- 

 orado," "encino cascalote." 



Quercus acherodophylla Trel. Mem. Nat. Acad. Sci. 20: 183. pi. 367. 

 1924. Tj^pe from Honey Station, Puebla. 



Quercus saltillensis Trel. Mem. Nat. Acad. Sci. 20: 183. pi. 368, 369. 

 1924. Type collected 40 miles south of Saltillo, Coahuila. 



Quercus carnerosana Trel. Mem. Nat. Acad. Sci. 20: 183. pi. 369. 1924. 

 Type from Carneros Pass, Coahuila. 



Quercus cerifera Trel. Mem. Nat. Acad. Sci. 20: 184. pi. 370. 1924. Type 

 from Bajucua, Chiapas. 



Quercus crispipilis Trel. Mem. Nat. Acad. Sci. 20: 184. pi. 370. 1924. 

 Chiapas. Guatemala, the type from Uaxac Canal. 



Quercus canbyi Trel. Mem. Nat. Acad. Sci. 20: 188. pi. 379, 380. 1924. 

 Type from Monterrey, Nuevo Le6n. 



Quercus karwinskii Trel. Mem. Nat. Acad. Sci. 20: 188. pi. 379. 1924. 

 Type from some unknown locality in Mexico. 



Quercus tonaguiae Trel. Mem. Nat. Acad. Sci. 20: 190. pi. 385. 1924. 

 Type from Tonaguia, Oaxaca. 



Quercus vexans Trel. Mem. Nat. Acad. Sci. 20: 190. pi. 386. 1924. Type 

 from Huatusco, Veracruz. 



Quercus candolleana Trel. Mem. Nat. Acad. Sci. 20: 191. pi. 387. 1924. 

 Type from Huatusco, Veracruz. 



Quercus conspersa Benth. PI. Hartw. 92. 1842. Chiapas. Guatemala, 

 the type from Las Casillas Mountains. 



Quercus albocincta Trel. Mem. Nat. Acad. Sci. 20: 193. pi. 394. 1924. 

 Type from Sierra de Alamos, Sonora. 



UIMACEAE. 



Page 201. After Celtis insert the following genus: 



PHYLLOSTYLON Capanema; Benth. & Hook. Gen. PI. 3: 35. 1880. 

 1. Phyllostylon brasiliensis Capanema; Benth. & Hook. Gen. PI. 3: 352. 

 1880. 

 Tamaulipas, San Luis Potosi, and Hidalgo. Cuba, Hispaniola, and South 

 America; type from Brazil. 



A large tree whose wood is of some value. Known in Mexico as "cer6n." 



MORACEAE. 



Page 203. Chlorophora tindoria. "Mora amarilla" (Sinaloa). 



Page 210. Ficus cotinifolia. "Tescalama," "chipil," "capulina" (Sinaloa). 



Page 213. Fiscus goldmanii. "Salate" (Sinaloa). 



URTICACEAE. 



Page 219. Urera caracasana. "Ortiguilla" (Sinaloa). 



Page 221. Pouzolzia nivea. "Samo el coche," "samo prieto" (Sinaloa). 



After Pouzolzia pringlei insert: 



Pouzolzia occidentalis Wedd. Arch. Mus. Paris 9: 410. 1856. Pouzolzia, 

 purpusii T. S. Brandeg. Univ. Calif. Publ. Bot. 10: 404. 192 4. Chiapas 

 West Indies, Central America, and northern South America. 



