Ventilago.'] xlii. rhamnEjE (hemsley). 379 



acuminate obtuse or acute, obscurely crenate-serrate, slightly undulate, 2-3 

 in. long, shining above ; petioles pubescent. Mowers minute, pubescent, in 

 axillary clusters ; the upper ones sometimes forming a short leafless, simple 

 panicle or raceme ; the pedicels about a line long. Nut 2 or 3 lines in 

 diam., adherent calyx-tube reaching about the middle ; terminal wing smooth 

 and shining, li-2 in. long and about 4 lines broad. — V. maderaspatana, 

 Benth. in Kew Journ. Bot. iii. 42, not of Gsertn. Celastrus diffusus, Don, 

 Gard. Diet. ii. 6. 



Upper Guinea. (In flower), St. Thomas, Bon ! (in fruit), Eppah, Barter ! 

 I do not feel quite satisfied of the identity of the two gatherings above noted. 

 Ihis species also occurs in Malacca, Hongkong, and New Caledonia. 



2. ZIZYPHUS, Juss. ; Benth. et Hook. f. Gen. PI. i. 375. 



flowers hermaphrodite or polygamous. Calyx-tube broadly obconical; 

 limb 5-lobed; lobes triangular-ovate, acute, spreading, keeled inside. Petals 

 5, rarely 0, hood-shaped, incurved. Disk flat, pentagonal, often with 10 de- 

 pressions ; margin free. Stamens 5, included in the petals or exceeding 

 them ; filaments subulate ; anthers 2-celled, opening longitudinally. Ovary 

 immersed in the disk and adnate to its base, 2-, rarely 3- or 4-celled. Styles 

 . ' diverging or combined ; stigmas papillose. Drupe fleshy, globose or ob- 

 ion g; putamen woody or horny, 1-3-celled, 1-3-seeded. Seeds plano-con- 

 vex ; testa thin, brittle, smooth and shining ; albumen or very little. Coty- 

 ledons thick ; radicle short. — Shrubs or trees, often decumbent or creeping 

 •rod furnished with sharp, curved or straight spines. Leaves alternate, petio- 



e > 3-5-nerved from the base, entire or crenate, coriaceous. Stipules either 



* rarely both spinescent, deciduous. Flowers small, greenish, in small, 

 axillary cymes. Fruit often edible. 



A genus of about 50 species, scattered over the tropics and subtropics, chiefly in Asia and 



menca > a f ew extending to the Pacific islands and Australia. 



v es glabrous above, beneath as well as the young branches with 



Mense ferruginous or grey tomeutum, very rarely almost glabrous. 



"isk with 10, more or less distinct, cavities 1- Z.jujuba. 



es nearly or quite glabrous. Young branches pubescent. Disk 



aoitormly pubescent or glabrous 2. Z. mucronata. 



*es pale, glaucous, greeu, glabrous, except when quite young, 

 ranches drooping, glabrous ; bark white, shining. Disk with a 



nu ge of hairs around the base of the style 3. Z. Spina- C/trisii. 



, *• ,2. jujnba, Lam.; DC. Prod. ii. 21. A loosely branched tree or 

 ] b > 10 ~40 ft. high, rarely, in arid places trailing, with very much reduced 

 wives, with or without stipulary prickles. Leaves petiolate, 1-5 in. long, 

 shVl i° bl ° ns or near] y orbicular, obtuse or acute at the apex, obtuse or rarely 

 be I Uarrow ed and equal or unequal at the base, serrulate, glabrous above, 

 %\* aS Wel1 as tlie P etioles y° un g branches and flowers with a dense, 

 St i ferru S inou 3 or nearly white tomentum, very rarely almost glabrous. 



'Pules spinescent, one or both recurved, rarely absent. Cymes subsessile 



shortly pedunculate, 10-30-flowered. Disk more or less distinctly 10- 

 ] , late. Ovary 2-celled ; styles short, united to the middle ; stigmatic 

 gg erect. Drupe spherical about lj in. in diam., 2- or, by abortion, 1- 



ue d.— Z. abymnicus, Hochst. Rich. Fl. Abyss, i. 136. Z. xylopyrus, 



