360 tENTANDRIA MONOGYNIA. 



Zizipku*. 



duced by Dr. A. Berry, into the botanic garden at Calcutta, where it 

 blossoms in May and June. 



Trunk straight, but slightly bent to one side, covered with pretty 

 smooth, brown bark. Branches and branchlcts numerous, spread- 

 ing much while young, and divaricated when old. Tloung shoots 

 slightly villous, and flexuose. — Prickles paired and stipulaiy; the up- 

 per one straighter and pointing forward ; the under one much recurv- 

 ed. Leaves alternate, bifarious, short-petioled, ellipticaliy oval with 

 the base obliquely cordate, finely serrulate, three-nerved, smooth 

 above, pale and soft underneath, from one to two inches long. — Sti- 

 pules subulate, soon becoming the sharp thorns above descnbed. — ■ 

 Corymbs axillary, much shorter than the leaves, several times dicho- 

 tomous, villous, many-flowered. — Calyx, corol, and stamina, as in the 

 genus. — Germ ovate, immersed in the receptacle, three-celled, with 

 one ovulum in each, attached to the bottom of the cell. Style short, 

 three-cleft. 



9. Z. Oenoplia, Willd. i. 1105. 



Shrubby. Thorns solitary, recurved. Leaves unequally ovate- 

 cordate, entire, acute; three-nerved, downy underneath. Flowers 

 minuie, crowded in the axils. 



Native of various parts of India. Flowering time the close of the 

 rains. 



10. Z. tomentosa, R. 



Shrubby. Thorns solitary, scarcely curved. Leaves unequally ovate. 

 cordate, three-nerved, obtuse, minutely serrulate, hairy above, and 

 tomentose underneath. Panicles lateral. 



A short, very ramous shrub, a native of Chittagong, and there used 

 for fences. 



11. Z. xylopyrm, Willd. spec. i. 1104. 



Arboreous. Leaves obliquely cordate, three-nerved, serrate, downy. 

 Thorns when present stipulary, one recurved, the other straight, 

 JVttte three-celled, three-valved. 



