176 



depresse hemisphærica, glandc subglobosa v. globoso-ovoidca 

 obtusa apiculata. 



Arbor excelsa, folia 3^—6" Ionga, 11'"— 2" lata, pelioli 

 1 — 1^'", pedunculi 2'", cupula 6" alta 11"' in diametro, glans 

 8—11'" alta 9—10" in diametro. 



Mexico, in sylvis densis regionis temperatæ decli vitatis 

 orientalis Cordillerarum alt. 3—4500'; Mirador, Tolulla, S. 

 Bartolomé. 



0. pubinervis Mart. et Gal. I. c. p. 211. Coll. Gal. n. 134 

 vix diversa. 



Species affinis Q. lingvæfolia Liebm. 



17. Quercus ocotecefolia Liebm.: foliis coriaceis petiolatis 

 elongato-lanceolatis supra medium parum lalioribus acuminatis 

 acutis basi cuneatis inlegerrimis raro superne denticulo inslructis 

 undulatis margine cartilagineo parum reflexo , supra nitidis 

 glabris secus costam pulverulenlis, sublus pallidioribus ad axillas 

 nervoruin barbatis, petiolis compressis floccoso-puberulis; fruc- 

 tibus geminis solitariisve pedunculatis, cupula hemisphærica, 

 glande ovoidea acutata. 



Arbor parva, folia 2$ — 4" longa, 9—14'" lata, pelioli 

 4—7'", pedunculi 4— 8'", cupula 3'" alta 5'" in diamelro, glans 

 5'" alta 4'" in diametro. 



Mexico, in sylvis circa Talea, Laguna Dp. Oajaca, all. 

 4—5000'. 



Affinis Q. depressæ HB. 



18. Quercus strombocarpa Liebm.: foliis coriaceis brevi- 

 peliolalis oblongis v. elongalo-obovatis plus minus aculis basin 

 versus atlenualis basi rolundalis v. leviter cordatis inæqualibus, 

 ad medium crenulatis, crenis apiculatis, imprimis basin versus 

 rugosis, margine reflexis undulatis, supra nitidis glabris, sublus 

 ferrugineis pilosulis secus coslam nervosque ferrugineo-tomen- 

 tosis sensim glabrescentibus, petiolis terctibus dense ferrugineo- 

 tomentosis; fructibus solilariis brevissime pedunculatis v. sub- 

 scssilibus majusculis, cupulæ lignosæ turbinatæ squamis crassis 



