ZizypKus.i RHAMttACEAE* 219 



base to the disk, 2-4-celled ; styles 2-3, rarely 4, free or connate ; 

 stigmas small, papillose. Fruit a globose or oblong drupe, with 

 a woody or bony 1-4-celled and -seeded stone. Seed plano-convex ; 

 albumen or scanty; cotyledons thick ; radicle short. 

 Petals 5 ; stone hard and thick, more or less rugose : 



Styles 2 ; flowers in fascicles or sessile or short-peduncled cymes : 

 Erect trees or shrubs : 

 Armed : 



Small tree, usually with short thick bole and rounded head ; 

 leaves ovate-elliptic, up to 25 in. long by 1-5 in. broad, 

 fuscous-tomentose beneath ; disk grooved ; drupe oblong or 



globose over '5 in. in diam 1. Jujuba. 



Low much-branched shrubs ; drupe about 3 in. in diam. : 

 Leaves fuscous-tomentose beneath, up to 1*5 in. in diam.; 

 disk grooved ; both straight and recurved thorns strong 



Jujuba var. fruticosa. 



Leaves grey -pubescent on both sides, -5-'75 in. in diam. ; 

 disk pitted ; both straight and recurved thorns slender 



2. nummularia 



Unarmed tree; leaves elliptic, obtuse or slightly acute, glabrous 

 or pubescent on nerves beneath and petiole ; disk not pitted 



or grooved ; fruit globose, yellow 3. trinervia. 



Very thorny large climber; leaves ovate-lanceolate, acute, 

 1-2*5 in. long, very oblique at base, silky-pubescent; drupe 



*25 in. in diam.; disk pitted 4. Oenoplia. 



Styles 3 ; flowers in pedunculate cymes ; disk smooth : 



Small tree or straggling shrub, armed or unarmed; leaves 

 usually suborbicular, reticulate and pubescent beneath ; drupes 

 globose, grey-tomentose or nearly glabrous, sometimes acute at 



apex 5. Xylopyrus. 



Low shrub with sharp thorns on broad bases ; leaves small, 

 glabrous except on nerves beneath ; drupes globose, glabrous, 



the stones rugose 6. horrida. 



Petals ; styles 2 ; erect small tree or climbing shrub ; flowers in 

 pedunculate cymes making panicles on terminal branchlets; leaves 

 large, elliptic, cordate ; thorns usually solitary, recurved ; drupe 

 1- rarely 2-celled, stone crustaeeous not rugose; disk smooth 



7. rugosa. 



1. ZIZYPHUS JUJUBA, Larnk. ; F. B. I. i. 632; W. & A. 162; 

 Wt. Ic. t. 99 ; Brand. For. PL 1. 17. 

 In all dry Districts, wild in deciduous dry forests and 



