688 LXXXIII. ASCLEPIADES. | Pentarrhinum 
The seeds much resemble those of Cynanchum polyanthum, a plant of 
a very similar habit. 
14. GLOSSOSTELMA Schlechter in Journ. Bot. xxxiii. p. 321. 
1. G. angolense Schlechter, /.c., p. 322. t. 352, B. 
Pungo ANDONGO.—A strictly erect, simple, copiously lactescent 
herb, 3 ft. high or rather more; root tuberous ; stem woody at the 
base ; leaves rigidly coriaceous, glaucescent, the largest in the middle 
of the stem, gradually smaller towards both ends especially towards 
the base of the stem ; flowers fleshy, green-purplish. In the Panda 
forests near Mangue, very rare ; one specimen fl. Jan. 1857 No. 4190. 
15. CYNANCHUM L.; Benth. & Hook. f. Gen. Pl. ii. p. 762. 
1. C. schistoglossum Schlechter in Journ. Bot. xxxiii. p. 271 
(Sept. 1895). 
C. brevidens N. E. Br. in Kew Bull. 1895, p. 297 (Oct.).  C. 
vagum N. E. Br., Lc. 
GoLunco ALTo.—A widely climbing lactescent shrub ; leaves green, 
scarcely glaucous but not lurid ; petals herbaceous-green, the rest of 
the organs of fructification whitish-yellowish. By thickets along the 
base of the mountains of Alto Queta ; fl. middle of Oct. 1855. No. 4243. 
Flowers whitish, very small. At Ponte de Felix Simoes ; fl. June 
1856. No. 4241. No notes. Fl. No. 5949. 
Hvuitia.—A lactescent, twining herb of 3 to 4 ft. ; root tuberous ; 
leaves herbaceous-green, cordate-ovate or -lanceolate ; flowers whitish- 
greenish, calyx green ; corolla, etc., yellowish. In moist thickets near 
Lopollo ; fl. Jan. 1860. No. 4251. 
- 2. C. obscurum K. Schum. in Engl. Nat. Pflanzenfam. iv. 2. 
p. 253 (May 1893). 
OC. mossambicense Schlechter in Journ. Bot. xxxiil. p. 337 (1895), 
non K. Schum. C. Welwitschii Schlechter & Rendle in Journ. 
Bot. xxxiv. p. 99 (1896). 
Gotunco A.Lro.—A glaucous-green, twining, widely climbing, 
lactescent herb ; leaves rather fleshy, soon becoming flaccid, bright 
green above, pallid beneath ; petals sordid violet-coloured ; follicles 
solitary, conical-pyramidal, trigonous ; one of the angles very blunt, 
twoof themsharp. By thicketsin Sobato de Mussengue, not abundant, 
in company with Tragia volubilis L. var. genuina Muell. Arg. (Welw. 
herb. no. 382); fl. and fr. end of Nov. 1855. No. 4222 and Co... 
Carp. 737. Nonotes. Fl. No. 4200. A suffrutescent, twining herb, 
with sordid violet-coloured flowers and studded petals. In the forests 
of Sobato de Mussengue ; ripe fr. beginning of Aug. 1856. No. 4253 
and Cotu. Carp. 738. A climbing, lactescent shrublet. Quilombo 
Quiacatubia ; without either fl. or fr. Feb. 1855. Apparently this 
species. No. 4224. Between Quibinda and Ambaca. The unique 
follicle measures rather more than 3 in. in length. CoLL. Carp. 739. 
16. SARCOSTEMMA R. Br.; Benth. & Hook. f. Gen, PI. ii. p. 763. 
1. §. nudum Chr. Sm. in Tuckey, Congo, p. 251 (1818) (nomen); 
Webb in Hook. Niger Fl. p. 149 (1849). 
S. Daltoni Decaisne ex Webb, l.c., p. 149. t. 14; J. A. Schmidt, 
Fl. Cap. Verd. Ins. p. 214 (1852). 
