372 Materials for a Flora of the Malayan Peninsula. 



Leaves glabrous on both surfaces. 



Cjmes in thyrsoid terminal panicles, fruit 



toinentoRe ... ... ... ... 5. Z. calophyVa. 



Cjmes axillary. 



Sepals connivent, disc pitied, drupo glabrous 6. Z. affi-nis. 

 Sepals spreading, disc not pitted. 



Lateral nerves of leaves either un- 

 brnnched, or very faintly branched, drupe 

 glabrous ... ... ... 7. Z. glabra. 



One at least of the lateral nerves stiong- 



ly branched, drupe tomentose ... 8. Z.Horsfiehlii. 



1. ZiZYPHUS JuJUBA, Lamk. Diet. III. 318. A small tree : young 

 branches, flowers and under surfaces of leaves more or less pale or 

 iaAvny-tomentose. Leaves ovate-elliptic, ovate or sub-orbicular, blunt, 

 sub-entire, somewhat narrowed at the base, upper surface glabrous ; 

 length 1 to 2 in., breadth '^ to 1*15 in. ; prickles' solitary or in pairs r 

 petiole "25 to "5 in. Cymes short, lax or dense, axillary. Calyx flocculent 

 outside, glabrous inside. Petals sub-spatlmlate, concave. Disc with 10 

 grooved lobes. Ovary glabrous, 2-celled ; stT/les united to the middle. 

 Fruit globose or ovoid, glabrous, fleshy, "5 to '75 in. in diam., yellow or 

 orano-e-yellow, stone 1- or 2-celled. DC. Prodr. ii. 21 ; Roxb. Fl. Ind. i. 

 608;* Wall. Cat. 4244 ; W. & A. Prodr. 162 ; Wiglit Ic. t. 99; Hook. 

 Jouin. Bot. i. 320, t. cxl. (1834) ; Dalz. & Gibs. Bomb. Fl. 49 ; Thwaites 

 Knum. 74 ; Bedd. Fl. Sylvat. t. cxlix. y Hook. fil. Fl. Br. Ind. I, 632 : 

 Kurz For. Flora Burma, I, 266 ; Boiss. Fl. Orient, ii. 13; Brandis For. 

 Flor. 86, t. 17 ; Trimen Fl. Ceyl. 1. 280. Z. mauritiana, Herb. Ham. in 

 Wall. Cat. 4245; DC. Prodr. ii. 21. Z. Sororia, Schult. Syst. v. 337 ; 

 DC. Prodr. ii. 21. Z. trinervius, Roth Nov. Sp. 168, excl. var. p. 

 Bhammis Jujuha, Linn. Fl. Zeyl. 36 ; Rheede Hort. Mai. iv. t. 40, 



Malacca and Province Wellesley, but probably introduced. DiSTRlB. 

 India, Affghanistan, Ceylon, Ciiina, Australia, Africa. 



A widely distributed species, and therefore presenting considerable 

 variety. The description above given refers to the plant as found in 

 the Malay Peninsula. As a rule there are two stipular prickles, of 

 which one is straight and the other curved. The fruit is eaten and 

 several garden forms are found. 



2. ZiZYPHUS Oenoplia, Mill. Gard. Diet. No. 3. A scandent or 

 strangling shrub ; young branches rusty-tomentose ; prickles solitary, 

 tomentose at the base, glabrous at the apex, short, recurved. Leaves 

 ovate-lanceolate, often very oblique, acute, entire or obscurely crenate- 

 serrato, with 3 bold vertical nerves and numerous connecting ascending 



658 



