16 NOUVELLES ARCHIVES DU MUSÉUM 



III 



LIGUSTRUM, Tourn. 



Flores régula res, hermaphroditi, tetrameri. 



Calyx persistens, liber, gamophyllus, campanulatus v. abbreviato- 

 tubulosus, pro corolla minimus., œqualiter v. inœqualiter denticulatus. 



Corolla hypogyna gamopetala, subrotacea v. infundibuliformis, 

 tubo calycem duplo triplove superante, limbo 4-lobo, laciniis œqualibus 

 patentibus v. reflexis. Praefloratio valvata. 



Slamina 2, corollœ fauci inserta, lateralia, inclusa aut parum 

 exserta; filamenta brevia, recta v. patula, œqualia; antheree dorso 

 affixœ rectae biloculares, loculis parallelis rima longitudinali a latere 

 dehiscentibus. Pollinis granula trisulca, humefacta globosa, membrana 

 externa minutissime tessellata. 



Discus o. 



Ovarium liberum v. carpellis 2 formatum, biloculare, loculis 

 antero-posticis ; ovulis in quoque loculo geminis, ex apice dissepimenti 

 pendulis anatropis, uno alterove abortivo. 



Stylus terminalis simplex brevis, stigmate lanceolato v. clavato 

 papilloso, emarginato v. bipartito, lobis antero-posticis. 



Fructus baccatus bilocularis, endocarpio membranaceo v. charta- 

 ceo, loculis abortu haud raro monospermis. 



Semina pendula ovoidea v. subglobosa, testa atrosanguinea molli 

 opaca, subtilissime punctulata v. rugulosa. 



Embryo axilis, longitudine fere albuminis subcartilaginei., coty- 

 ledonibus ovatis plano-convexis, radicula tereti supera. 



Arbusculse v. frutices gerontogei, glabri v. hirsuti. Folia decidua 

 v. perennantia. Flores in thyrsum terminalem disposili, semper albi, 

 suaveolentes v. ingrato odore. Fructus baccatus niger, parvus v. magni- 

 tudine pisi majoris. 



