393 NATURAL H18T0RY OF PLANTS. 



GENERA. 



I. STAPHYLEtE. 



1. Triceros Lour. — Flowers regular liermaplu-odite ; receptacle 

 ratlier convex or rather concave. Calyx -S-fid, imbricated, often per- 

 sistent. Petals 5, alternate, imbricated. Stamens 5, alternipetalous, 

 inserted perigynously or subliypogynously with perianth on margin 

 of receptacle ; filaments free, clothing disk of receptacle, crenate or 

 lobate, exterior ; anthers introrse, longitudinally 2-rimose. Carpels of 

 central germen 3 or more rarely 2 ; germens sometimes partly in- 

 ferior, either free, or connate within at base or more or less high ; 

 ovules in each 1, 2, or more rarely more, 2-seriate inserted in in- 

 ternal angle, either subhorizontal, or ascendent ; micropyle extrorse 

 inferior ; apical styles fi-ee, more or less connivent or coadunate to 

 apex ; apex capitelhite stigmatiferous. Fruit carpels 2, 3, either quite 

 free, dry follicular and finally longitudinally rimose witliin, or more 

 or less connate and dry or coriaceous, indéhiscent more rarely fleshy 

 and except for desci'etc styles quite connate. Seeds 1- co ; outer 

 coat hard or more or less fleshy arilliform ; albumen fleshy ] cotyle- 

 dons of straight embryo orbicular or ellipsoid flat or plano-convex ; 

 radicle short introrse or inferior. — Trees or glabrous shrubs ; leaves 

 opposite simple or very often imparipinnate, sometimes 3-foliolate ; 

 stipules deciduous or ; folioles sometimes stipellatc opposite coria- 

 ceous serrulate ; flowers in axillary or oftener terminal more or less 

 compound ramified cymiferous racemes ; branches opposite or more 

 rarely alternate. {South America and temp. Asia.) See p. 342. 



2. Staphylea L. — Flowers generally hermaphrodite regular 

 (nearly of Triceros) ; receptacle rather convex or rather flat. Perianth 

 and 5 stamens (of Triceros)., exterior to somewhat flat lobed disk. 



