( 46 ) 



Arbores, frutices vel suffrutices, ramulis in pluribus spinescenti- 

 biis. Folia simjjlicia , alterna ) subopposita , vel rariùs exacte opposita 

 (in Coiletiis), penninervia vel triplinervia y sparsa vel subdisticha t 

 bnsi sœpiùs bistipulala , stipulis parvis, caducis vel spinescentibus 

 et persistent/bus (/«Zizyphis, Paliuro). Flores axillares, solitard } 

 jasciculali } umbellati , vel cytnosi , rariùs spicati, in spicis simplicibus 

 vel interruptis (raimtlis nudis), glomeràtim dis/>ositi [in Sageretiâ , 

 Gouaniâ , Venfilagine ) , in quidusdam paniculas terminales cffor- 

 mantes (in Ceanotho , Berchemiâ, Pomaderri ) , vel glomerati seu 

 capitati ( in Cryptandrâ , Phylicâ, etc.) 



P ALIURUS. Tourn. , Desf. — Rhamni spec. Linn. 



Car. diff. Calyx patens. Petala obovala , convoluta. Stamina ex- 

 serla , anlheris ovatis , biloculai ibus. Discus planus , pentagonus. 

 Ovavium disco semi-immersum , triloculare. Slyli 1res, — Fruetus 

 siccus, indehiscens, nuce triloculari fœtus, supcriùs in disco raem- 

 branaceo subrotundo expansus. Semina sessilia. 



Car. nat. Calyx tubo expanso , subpiano, limbo 5-fido , laciniis 

 pattntibus, ovatis, acutis, interné vix carinatis. Petala obovata , 

 subspathulata, unguiculata, convoluta, externè deflexa , margini 

 disci inserla. Stainina petalis opposita et paulô longiora ; fi lamenta 

 cylindricn r basi compressa unguihus petalorum adnata ; antherae 

 inlrorsae, ovatae , biloculares ; loculis basi disjunclis, rima longi- 

 tudinali dehiscentibus, Disais carnosus, planus, calycis lubum 

 retiens, ovarium arctè cingens , ejusque basi adualum. Ovarium 

 disco semi inimcrsum , supcriùs liberum , 5-loculare ; loculis mono- 

 spcTinis ; ovulo erecto. Styli très conici , ab ovario vix distincti. 

 Sti^mata tria oblonga. 



Fruetus siccus, spongioso-coriaceus , hemispbaericus , in disco 

 magno cireulari, submembranaceo , supcriùs expansus ; fœtus nuce 

 lignosâ, globosâ , 3-loculari , loculis monospermis. Se/nina erecta 5 



