39G DICOTYL.— MONOCIILAMYDEAE 



basi erecta vel ex npice pendentla, anatropa; sti/his colnmna- 

 ris, teres vel trigonus, apice divisns in fitigmata loculoruni 

 ovarii nuniero; fructus nncauientaceus, indeliiscens, coriaceus 

 vel ossous, loculorum abortu unilocularis, plerunique mono- 

 spermus, basi lata in fundo involucri cupuliformis vel cap- 

 Buliformis sessilis, eodem basi cinctus vel penitns inclusus; 

 semen in singula nucula (nux vel glans dicta) abortu uni- 

 cum, pendulum, testa membranucea, tenui, albumine nullo; 

 embryone orthotropo, cotyledonibus foliaceis, radicula parva, 

 conica, supera Arbores vel rarins frutices; rami sparsi, te- 

 retiusculi ; foHa plernnique alterna, simplicia, penninervia 

 saepius dentata, sinuata, lcbata vel incisa, rarius integerri- 

 ma; stipidae petiolares, liberae, cadncae; gemmae squamosae, 

 solitariae. 



Endl. Gen. Pl pag. 273. — DC. Prodr. 16. sect. post. 

 pag. l.—Rich. Anal. Fr. pag. 33. — Schacht Beitr. (1854) 

 pag. 53. — Moris Fl. Sard. 3. pag. 510. — Torn. Fl. Sic. 

 pag. 460. 



Genus 1. Quergus 



Flores monoici. Masculi in amentis gracilibns, longis, in- 

 terruptis, pendulis, saepius ebracteatis; perigonium calycinum, 

 4-9~lidnm, laciniis inaequalibus, ciliatis; stamina basi peri- 

 goiiio inserta, ejusdein lacinii.s numero circiter aequalia, fi- 

 lamentis simplicibus, inaequalibus, antlieris snbrotnndis, bi- 

 locularibus. Flores feminei plernmque in cupula (invol.) sin- 

 gula solitarii, vel cnpulis connexis approximati; perigonium 

 limbo supero, minuto, 6-fido vel obsolete denticulnto; ovarium 

 inferum, 3-4-loculare; orvla in localis gemina, collateralia, 

 anguli centralis apici appensa, anatropa; siglus brevissimus, 

 crassus; stigmata loculorum numero, obtusa; glans ovato-gio- 

 bosa, ovata vel oblonga, coriacea, laevis, unilocularis, mo- 

 nosperma, involucro, in cupulam ligneam indurato, cincta vel 

 plns minus inclusa; senien abortu unicum, pendnlum, testa 

 membranacea; embryone orthotropo, exalbuminoso, cotyledo- 

 nibns plano-convexis, crassis, radicula supera. .\rbores vel 

 arbusculae, sparse ramosae; foUa alterna, integra vel saepius 

 dentata, sinuata, lobata vel incisa, decidua vel semperviren- 

 tia, vernalia pubescentia, mollia, autumnalia coriacea, saepe 



