184 



35. Quercus coslaricensis Liebm. : foliis carlilagineis ses- 

 silibus v. brevissime peliolatis elliplicis ulrinsecus obtusis mar- 

 gine incrassato rcflexo integerrimis undulalis, supra nitidis 

 giabris sub lente elevalo-punclulatis, sublus pallidioribus opacis 

 villo fulvo arachnoidco adspersis; fructibus subsessilibus geitiinis 

 v. solitariis majusculis, cupula pateriformi, glande ovoidea obtusa 

 brcviapiculala basi truncata. 



Folia 2—3" longa, \--\\" lata, petioli 1 — 3'", pedunculi 

 vix i'", cupula 5" alta 1" in diamelro, glans 1" alla 9 — 12'' 

 in diametro. 



Guatimala et Costa rica, Volcan de Carlago, leg. Warsewicz 

 CColl. n. 53 in bb. reg. Berol.!), Volcan de Irasii alt. 9500 

 — 10,500' leg. Orsted. 



Species nobilis habilu 0- oleoidi Cham. et Schldl. approximala. 



36. Quercus oocarpa Liebm.: foliis ad apices ramulorum 

 congeslis membranaceis brevipetiolatis elongato-obovatis a medio 

 basin versus cuneato - attenuatis basi obliquis obtusis apice 

 breviacuminatis acutiusculis margine parum incrassato et revo- 

 lulo a medio sursum obtuse repando- dentatis, supra subgla- 

 brescentibus pilis brevibus fuscis adspersis, costa dense fusco- 

 pilosa , sublus imprimis ad costam nervosqve fusco-pilosis, 

 petiolis crassis terelibus fulvo-pilosis; fructibus junioribus pe- 

 dunculatis geminis v. subspicatis , maturescenlibus solitariis 

 magnis, cupula hemisphærica lignea crassa, glande ovoidea v. 

 subglobosa apice umbilicala. 



Folia 5—10" longa, 2—4" lata, petioli 2'", pedunculi 

 1 — 2", cupula 1-14" i" diametro, glans 15" alta 12'" in 

 diametro. 



Guatimala et Costa rica leg. Warsewicz (Coll. n. 50 a. in 

 bb. reg. Berol !) 



Ouoad folia ad 0- insignem Mart. et Gal. accedit, sed 

 fructu longe diversa. 



37. Quercus tnicrocarpa Liebm. : foliis coriaceis brevi- 

 petiolatis ellipticis utrinsecus obtusis integerrimis margine incras- 



