630 XLiT. EHAMNE^. (M. A. Lawson.) 



less adherent to it, 3- rarely 2-1-ceUed ; style short, simple, or. 2-4 cleft ; 

 ovules 1 in each cell, erect, anatropous, raphe dorsal. Fruit free or girt at 

 the base or middle by the adhering calyx-tube, 3- more rarely 1-4-celled, 

 capsular or a dry or fleshy drupe, sometimes winged. Seed with fleshy 

 alburnen, rarely exalbuminous ; embryo large, erect.— Distebb. Abundant 

 in the tropical and temperate regions of the world; genera 38, species 

 above 400. 



ViTMAHNiA ArKicANA, W. & A. Prodv. 166 ; W. Ic. 490, is a S. African plant, not 

 Indian. 



TeibeI. VentilagineaB. Scandent unarmed shrubs. Zeaws alternate. 

 Bisk filling the calyx-tube. Ovary superior or half superior. Fruit dry, 

 1-celled, 1-seeded, girt at the base or middle by the calyx-tube. Seta 

 exalbuminous. 



Fruit indehiscent, prolonged above into a linear-oblong wing' ... 1. Ventilago. 

 Fruit a 2-valved broadly oblong capsule . 2. Smtthea. 



Tbibe II. ZlzyplieaB. Shrubs or trees. BisTz filling the calyx-tube. 

 Fruit a dry or fleshy drupe with a 1-3-celled stone. 



licaves prominently 3-nerved 3. Ziztphds. 



Leaves penninerved 4. Bebchemia. 



Teibe III. Rbamneae. Shrubs or trees. Disk lining or filling the 

 calyx-tube. Ovary superior or half-superior. Fruit dry or fleshy, of 3 

 (rarely 2 or 4) pyrenes or cocci. 



* Disk thin, lining the calyx-tube. 



Trees or shrubs. Leaves alternate. Cymes axillary. Fruit inde- 

 hiscent 5. BHAMNns. 



** Disk fleshy, JiUing the calysytube. 



Leaves alternate, unequal. Peduncles swollen, fleshy. An unarmed 



tree 6. Hovehu. 



Leaves opposite or subopposite. Flowers subnmbellate. An unarmed 



or prickly sbrab . . . ' 7. Scdtia. 



Leaves opposite or subopposite. Flowers sessile in terminal panicles. 



Unarmed or spinous shrubs 8. Sageketia. 



Leaves alternate. Peduncles slender, not fleshy. An unarmed shrub 9. Oolubeisa. 



Teibe IVi Gouanieee. Fruit inferior, crowned with the persistent 

 calyx. 



Fruit globose, not winged. Flowers fascicled, forming paniculate 



racemes 10. Aptebom. 



Fruit 3-winged. Flowers fascicled, forming paniculate racemes . . 11. Gouania. 



Fruit ovate, terete. Flowers subumbeUate 12. HEijiins. 



1. VEMTIX.A,GO, Gsertn. 



Scandent shrubs. Leaves alternate, subbifarious. Flowers small, dis- 

 posed in axillary and terminal (usually leafless) panicles, rarely in the axiJB 

 of the leaves. Calyx 5-fid, with spreading internally keeled lobes ; calyx- 

 tube obconicaL Petals 5, obtriangular or cucullate. Stamens 5, adnate to 

 the base of the petals. Disk 5-lobed vsdth a free margin. Ova/ry sunk in 

 the disk, 2-ceUed; style very short Fruii samaroid, the nut subglobose, 



