XLII. RHAMNE^ (hEMSLEY). 383 



5. COLUBRINA, Linn. ; Benth. et Hook. f. Gen. VI. i. 379. 



Calyx-tube hemispherical ; limb 5-cleft ; lobes spreading, triangular. Pe- 

 tals 5, clawed, inserted below the disk, hood-shaped. Stamens 5, included 

 in the petals ; filaments filiform ; anthers ovale, 2-celled. Disk fleshy, filling 

 the calyx-tube. Ovary immersed in the disk and adhering to it, *3-celled, 

 taperiug into a 3-lobed style with obtuse stigmas. Capsdle nearly globular, 

 slightly 3-lobed, dehiscing septicidally into 3 membranous or crustaceous 

 cocci. Epicarp dry and thin or succulent, the persistent calyx-tube cov^ing 

 about one-third of its length. Seeds obovoid, compressed, 3-gonous ; testa 

 smooth, shining, coriaceous ; albumen fleshy, thin. Cotyledons flat or in- 

 curved. — Scandent or erect shrubs or trees. Leaves alternate, 3-nerved at 

 the base or penninerved. Stipules small, deciduous. Flowers small, in 

 axillary clusters. 



A genus of about 10 species, 9 of which are coufined to America and the other one to 

 the tropics of the Old "World. 



L C. asiatica^ Brongn. in Ann. Sc. Nat. x. 369. An erect glabrous 

 shrub or small tree with long, unarmed, slender branches. Leaves petiolatc, 

 ovate or broadly cordate, abruptly acuminate or gradually narrowed acute or 

 obtuse, rotundate or subcordate at the base, 2-3 in. long, crenate-serrate, 3- 

 nerved at the base, penninerved upwards, glabrous and shining. Flowers 

 small, green, in shortly pedunculate axillary cymes about the length of the 

 petiole. Fruit 3-4 lines in diam., slightly depressed at the top, furrowed 

 opposite the dissepiments, dehiscing into 3 or rarely 4 cocci. 



Mozaxnb. Distr. Rovuma river, Br. Meller ! mouth of the Zambesi, Dr. A'lri- / 

 Also south of the tropic at Delagoa Bay, Forbes ! 



Common throughout tropical Asia, extending to the Philippine Islands and tropical Aus- 

 tralia. 



6. GOUANIA, Linn. ; Benth. et Hook. f. Gen. PI. i. 385. 



Flowers polygamous. Calyx-tube short, obeonic, adhering to the ovar)' ; 

 limb 5-lobed. Petals 5, hood-shaped or flat, inserted below the margin of 

 the disk. Stamens 5, included under the petals or exceeding them ; anthers 

 dehiscing longitudinally. Disk^ glabrous or hairy, epigynous, filling the 

 calyx-tube, 5-angled or lobed. Ovary immersed in the disk, 3-cellcd. Style 

 3-partite or -lobed ; stigmas small. Fruit coriaceous, quite inferior, crowned 

 by the persistent calyx-lobes, 3-wingcd, 3-coccous ; cocci woody, indehiscent, 

 separating from the 6-partite axis ; wings large, rotundate. Seeds obovate, 

 plano-convex; testa horny, shining ; albumen thin. Cotyledons rotundate, 

 broad, radicle veiy short^ — Tall, climbing, cirrhose shrubs, glaucous or to- 

 mentose. Branches slender, elongate. Leaves alternate, petiolate, entire or 

 dentate, 3-nerved from the base or penninerved. Stipules oblong or lanceo- 

 late, deciduous. Flowers small, in terminal or axillary racemes, rachis often 

 passing into tendrils. 



1. G. longipetala, Hemsl. A climbing shrub with terete glabrous 



