GlO PENTANDRIA MONOGYNIA. ZiziphltSt 



it a troublesome plant in a garden, but at the same time they 

 render it easily propagated, if necessary. 



7. Z. Loins. Lamarck Encyclop. iii. 304. lllustr. 1. 185. 



Arboreous ; spines stipulary, one long 1 , slender, and straight, 

 the oilier recurved. Leaves oval, three-nerved, most slightly 

 crenulate serrate, smooth on both sides. Flowers axillary ; 

 stifle two-cleft. 



Z. Lotus. Willd. i.1103. 



A native of Persia, &c. ; blossoms in the hot season in the 

 Botanic oarden at Calcutta. It is readily known from its 

 Indian congeners by the whiteness of its bark, and the pale 

 yellow tinge of its long and very slender prickles. 



8. Z. elliptica. /?. 



Arboreous. Thorns paired, the upper one rather incurv- 

 ed, the under one recurved. Leaves elliptically oval, serru- 

 late, three nerved, pale underneath. Corymbs axillary, di- 

 chotomous. Flowers semi-trigynoits. 



A stout straight tree, a native of Travancore, from thence 

 introduced by Dr. A. Berry, into the Botanic garden at Cal- 

 cutta, where it blossoms in May and June. 



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

 pretty smooth, brown bark. Branches and branch let 8 nu- 

 merous, spreading much while young, and divaricated when 

 old. Young shoots slightly villous, and flexuose. Prickles 

 paired and stipulary ; the upper one straighter and pointed 

 forward ; the under one much recurved. Leaves alternate, 

 bifarious, short-petioled, elliptically oval with the base ob- 

 liquely 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 de- 

 scribed. Corymbs axillary, much shorter than the leaves, 

 several times dichotomous, villous, many-flowered. Calyx, 

 corol, and stamina, as in the genus. Germ ovate, immers- 



