Ventilago.'] RHAMNACEAE. 217 



1. Yentilago, Gaertn, 



Climbing shrubs. Leaves alternate, bifarious, usually crenate ; 

 stipules very small, caducous. Flowers small, in axillary or 

 terminal panicles, rarely fascicles ; bracteoles many, small. 

 Calyx 5-lobed ; lobes spreading, keeled within. Petals 5, deltoid 

 or obcordate, cucullate. Stamens 5, adnate to the base of the 

 petals and opposite to them ; connective of anthers thickened 

 and produced above. Disk flattened, 5-angled. Ovary sunk in 

 the disk, 2-celled ; style very short ; stigmas 2, short ; ovules 

 solitary in each cell. Fruit a subglobose, 1- (rarely 2-) seeded 

 nut, prolonged above by the style enlarged in a linear- oblong 

 coriaceous wing, ending in the remains of the stigmas, the base 

 more or less enclosed in the adherent calyx- tube. Seed sub- 

 globose ; testa thin ; albumen ; cotyledons thick, fleshy. 



Flowers in axillary and subterminal panicles : 

 Calyx- tube adnate to the lower part of the nut: 



Branchlets stout, grey-puberulous ; leaves ovate or elliptic-ovate, 

 usually unequally rounded at base, 3-6 in. long by 1*5-3 in. 

 broad; panicles dense, flowers rather large, disk villous; nut 

 and its wing yellow-pubescent, the calyx -tube covering more 



than half the nut 1. calyculata. 



Branchlets rather slender, minutely puberulous ; leaves oblong- 

 lanceolate, subobtuse, attenuate at base, 2-3 in. long by about 

 1 in. broad; panicles slender, flowers small, disk glabrous or 

 nearly so; nut and its wing greyish, the calyx-tube covering 



about one-third of the nut 2. Goughii. 



Calyx-tube adnate only to the base of the nut ; disk glabrous or 

 nearly so : 



Branchlets slender, usually pale ; leaves ovate or ovate-lanceolate, 

 obtuse or acute, l'5-3'5 in. long by 1-1*5 in. broad ; panicles 

 minutely grey-pubescent, flowers small; nut with grey nearly 

 glabrous wing, the calyx-tube small, adnate to the base of the 



nut 3. maderaspatana. 



Branchlets stout, dark ; leaves oblong-lanceolate, long-acuminate, 

 strongly crenate, 2*5-4 in. long, by 1-1 '5 in. broad ; panicles 

 long- golden- villous pubescent, flowers very small; nut with 

 brown tomentose wing, the calyx-tube saucer-like, embracing 



the base of the nut 4. lanceolata. 



Flowers in axillary fascicles; branchlets slender, pubescent; leaves 

 oblong, r5-4'5 in. long by O'o-l'o in. broad; disk slightly villous; 



