170 CUPULIFERA. 
20. Quercus crassifolia, Humb. et Bonpl. Pl. Aquin. ii. p. 49, t. 91; DC. 
Prodr. xvi. 2, p. 56; Liebm. Chénes de l’Amér. Trop. t. 18. figg. 1-4. 
Quercus rugosa, Nee in Anal. Cienc. Nat. iii. p. 275? 
Quercus spinulosa, Mart. et Gal. in Bull. Acad. Brux. x. (reprint, p. 11). 
Sour Mexico, Chilpancingo (Humboldt & Bonpland), Orizaba (Galeotti, 114); 
GuaTEMALA and Costa Rica (Warscewicz). Hb. Kew. 
21. Quercus crassipes, Humb. et Bonpl. Pl. Aquin. ii. p. 37, t. 83; DC. Prodr. 
xvi. 2, p. 73. 
Quercus mexicana, Benth. Pl. Hartw. p. 56, non Humb. et Bonpl. 
Soura Mexico, near Santa Rosa and Ario (Humboldt & Bonpland), Tialpujahua 
(Hartweg, 431), valley of Mexico (Bourgeau, 424). Hb. Kew. 
22. Quercus cuneifolia, Liebm. in Seem. Bot. Voy. ‘Herald, p. 334; DC. 
Prodr. xvi. 2, p. 76; Liebm. Chénes de l Amér. Trop. t. K. 
Quercus chinantlensis, Liebm. in Overs. K. Dansk. Vidensk. Selsk. Forhandl. 1854, p. 179. 
Nortu Mexico, Cerro de Pinal (Seemann, 1456); Sourn Mexico, Chinantla, Oaxaca 
(Liebmann). Hb. Kew. 
23. Quercus depressa, Humb. et Bonpl. Pl. Aquin. i. p. 50, t. 92; DC. Prodr. 
xvi. 2, p. 70; Liebm. Chénes de PAmér. Trop. t. 15. 
SoutH Mexico, Pelado de San Andres, 9000 to 10,000 feet (Liebmann), mountains of 
Yavezia, 7500 feet (Galeotti, 106), mountains near Moran (Humboldt & Bonpland). 
Hb. Kew. 
24. Quercus dysophylla, Benth. Pl. Hartw. p. 55; DC. Prodr. xvi. 2, p. 76. 
NortH Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 837), 
Sierra Madre (Seemann, 1969); South Mexico, mountains of Huasca (Hartweg, 421), 
Cordillera of Vera Cruz at 6000 feet (Galeotti, 99). Hb. Kew. 
25. Quercus elliptica, Nee in Anal. Cienc. Nat. iii. p. 278; DC. Prodr. xvi. 2, 
p. 71; Liebm. Chénes de PAmeér. Trop. t. 6. figg. 4-6. 
NortH Mexico, Sierra Madre (Seemann, 1975); Souta Mexico, Vera Cruz (Linden), 
1052), Sierra Pueblo Nuevo, near Acapulco (Hinds), Orizaba, 4000 to 6000 feet 
(Galeottz), near Zimapan and Tixtala (Nee). Hb. Kew. 
B. microcarpa, A. DC. Prodr. xvi. 2, p. 71; Liebm. in Overs. K. Dansk. 
Vidensk. Selsk. Forhandl. 1854, p. 184, et Chénes de l’Amér. Trop. p. 26, t. 6. 
fig. 3 (species). 
Quercus perseefolia, Liebm. loc. cit. p. 188, et Chénes, p. 27. 
Souta Mexico, Vera Cruz (Liebmann); Guatemata (Warscéewicz). 
26. Quercus emoryl, Torr. in Emory’s Rep. p. 152, t. 9; Bot. U.S. & Mex. 
Bound. Surv. p. 206. 
Quercus pungens et Q. hastata, Liebm. in Overs. K. Dansk. Vidensk. Selsk. Forhand]. 1854, p. 171, 
et Chénes de l’Amér. Trop. p. 22, t. 45. figg. 1-3; DC. Prodr. xvi. 2, p. 36. 
