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natifida: Eucerris; 2. folia rigida, spinoso dentata: Ilicopsis. — b. cu- 

 pulae squamae inferiores et saepe mediae breves, ovatae, adrectae: 3. fo- 

 lia ovatolanceolata mucronatoserrata : Erythrobalanopsis; 4. folia ova- 

 toovalia, crenato-v. serratodentata : Suber. 



Sectio 1. Eucerris: squamae cupulae lineares, refiexae; folia 

 ovata, grosse et inaequaliter dentatoserrata , rarius pinnatifida; glans 

 ovoidea v. ovoideocylindrica. a. folia pinnatifida v. sinuatopinnatifida : 

 Qu. cerris L Orient, vallonea Kotsch Libanon. — b. folia ovata, in- 

 aequaliter et grosse serratodentata: Qu. macrolepis Kotscb Griechenld, 

 macedonica DC Macedonien, graeca Kotscb Griecbenland. — c. fo- 

 lia ovalia, dentata v. sinuatodentata ; glans elongata, ovoideo cylin- 

 drica: Qu. itbaburensis Desc Palästina, pyrami Kotscb Cilicien, alni- 

 folia Poecb (cypria Jaub) Cypern, — d. folia ovatolanceolata, grosse 

 serrata: Qu. castaneaefolia Mey. 



Sectio 2. Erytbrobalanopsis: folia ovatolanceolata, dentato- 

 serrata, dentibus longe mucronatis; cupula campanulata majorem glan- 

 dis depressoglobosae truncatae partem tegens. Qu. Libani Oliv Syrien, 

 regia Lindl. Kurdistan, vesca Kotsch Scbirwan, oopbora Kotscb Kar- 

 ducbin, Look Kotsch Antilibanon, Branti Lindl Kurdistan, trojana Webb 

 Phrygien, serrata Thunb Japan, variabilis Blume Japan, chinensis 

 Bunge China. 



Sectio 3. Suber: folia ovalia v. oblongoovalia, dentata v. denta- 

 toserrata-, glans ovoidea-, cupulae squamae saepe breves et adrectae; 

 Qu. lanuginosa Don Nepal, incana Koxb ebda, persica Jaub Persien, 

 pontica Koch am Pontus, pseudosuber Sant am Mittelmeer, suber L 

 ebda, occidentalis Gay SWFrankreich und Portugal. 



Sectio 4. Ilicopsis: folia parva coriacea rigida spinosodentata; 

 cupulae squamae rigidae, mediis reflexis: Qu. coccifera L am Mittel- 

 meer, calliprinos Webb ebda. 



Gattung Cyclobalanopsis: amenta mascula pendula; amenta 

 feminea erecta simplicia, brevissima, pauciflora, cupulis solitariis; sty- 

 li tres breves, explanati, rotundati vel apice tantum dilatati, patentes, 

 secus totam superficiem superiorem stigmatosi; glans ovoidea v. ovoideo- 

 globosa v. globosa, pericarpio tenui, dissepimenti vestigio nullo, matu- 

 ratione annua; ovula abortiva supera; cupulae squamae verticillatae in 

 lamellas concentricas crenatas v. denticulatas v. fere integras lateraliter 

 coalitae; gemmarum squamae numerosae, membranaceae , adpresse im- 

 bricatae; folia ovato-v. lanceolatoelliptica, coriacea, perennia, supra 

 glabra, subtus pruinosoglaucescentia , rarius tomentosa, a medio v. in- 

 terdum fere a basi serrata, serraturis semper callosis. 



SubgenusEncyclobalanopsis: styli explanati , lingulati v. apice 

 tantum dilatati; maturatio glandis annua; pericarpium lacunis destitutum; 

 folia serrata: a. glans ovoidea v. ellipsoidea. 1. folia parva lanceolata 

 v. linearilanceolata. a. foliis adultis subtus tomentosis: c. gilva DC Ja- 

 pan. — b. foliis adultis subtus glabris : C. salicina Blum Japan. — 2. fo- 

 lia majora, ovatoelliptica: C. acuta Thunb Japan, Burgeri Blum ebda, 

 glauca Thunb ebda, lineata Blum Java, Horsfieldi Micq Banka, semiser- 



