220 APOCYNACE^. \Vinca. 



without scales at the throat. Anthers included in the tube. Disk of 2 oblong 

 glands, alternating with the carpels. Ovary of 2 distinct carpels united by a 

 single style, with several ovules in each carpel. Stigma conical or cylindrical. 

 Fruit of 3 cylindrical erect or spreading follicles. Seeds oblong-cylindrical, 

 without any coma. — Herbs or undershrubs, erect, or with long creeping 

 branches. Leaves opposite. Plowers axillary, solitary or 2 together. 

 A small genas, dispersed over various parts of the world. , 



1. V. rosea, Linn.; BO. Prod. viii. 382 ; Bot. Mag. <. 248. An erect 

 slightly pubescent perennial, 1 to 2 ft. high, branching at the base only, and 

 often flowering the first year. Leaves obovate or oblong, very obtuse, 1 to 2 

 in. long, narrowed into 'a very short petiole. Flowers pink or white, 2 to- 

 gether in the axils of the leaves, and almost sessile. Sepals short, subulate, 

 pubescent. CoroUa-tube slender, about f in. long ; the lobes broad, oblique, 

 not much shorter than the tube. 



In .waste places, apparently wild, Champ^on^ also Wright. A tropical American species, 

 introduced into tropical Asia, where it is now a common weed, hesides being much cultivated 

 in gardens for ornament. 



6. STBOPHANTHUS, DC. 



Calyx with a few glands inside at the base of the sepals. CoroHa-tube 

 cylindrical, usually enlarged at the top ; the lobes very long and linear, some- 

 what broader at the base, with 2 scales at the mouth ot the tube opposite 

 each lobe. Anthers sagittate, included in the tube, cohering to the stigma. 

 Disk none. Ovary of 2 distinct carpels, united by a single style, with several 

 ovules in each. Fruit of 2 thick follicles horizontally diverging. Seeds with 

 a terminal coma of long silky hairs. — Erect or climbing shrubs, the branches 

 usually diehotomous. Leaves opposite. Flowers rather large, in short ter- 

 minal cymes. 



A small genus, dispersed over the tropical regions of the Old World. 



1. S. divergens, GraJi. in Maund. Bot. iii. t. 150 ; A. BO. Prod. viii. 

 417. An erect, diehotomous, glabrous shmb. Leaves elliptical-oblong, 

 shortly acuminate and mucronate, 2 to 3 in. long, narrowed into a petiole of 

 2 or 3 lines. Flowers terminal, solitary or few together in sessile trichpto- 

 mous cymes. Sepals narrow-lanceolate or linear, about 5 lines long. CoroUa- 

 tube about | in; long, with a short campanulate throat ; the scales about 1\ 

 lines long ; the lobes lanceolate at the base, ending in narrow-linear points, 

 fuH 2 in. long when full-grown. Follicles hard and woody, veiy divergent, 

 4 to 6 in. long and very thick. Seeds ending in a Icfng point, with a beau- 

 tiful coma of very long silky hairs. 



Abundant near the level of the sea, Ckampion.. Low ground at Savwan, Wilford also 

 , WriffM. Not known out of S. China. j > j , 



7. BHYN-CHOSPERMUM, A. DC. 



Calyx with a ring of glands inside at its base. CoroUa-tube cylindrical; 

 the limb spreading, with oblique oblong or obovate lobes. Anthers sagittate, 

 included in the tube about the middle. Disk 5-lobed or of 5 distinct glands. 

 Ovary of 2 distinct carpels united by the single style, with several ovules in 



