678 LXXXIII. ASCLEPIADES. [ Cryptolepis 
6. @. Brazzei Baill. Zc., p. 83 (803). 
Ectadiopsis lanceolata Baill., lc. C. Sizenandi Rolfe in Bol. 
Soc. Brot. xi. p. 86 (1893). 
Punco ANDONGO,—F lowers white. In the thickets of the presidium, 
plentiful ; fl. Feb. 1857. A form with long slender twining stems. 
No. 4197. 
Huriia.—Flowers white. At Monino; fl. Dec. 1859. No. 4207. 
2. TACAZZEA Decaisne ; Benth. & Hook. f. Gen. PI. i. p. 745. 
1. T. Welwitschii Baill. in Bull. Soc. Linn. Paris, No. 101, 
p. 87 (807) (1890). 
Punco ANponGo.—An undershrub, 4 to 7 ft. high; rootstock 
thick ; stems cespitose, virgate, erect, slender, long, scarcely branched; 
fibre of the liber very thin, remarkably tenacious ; flowers paniculate, 
rosy purple or atropurpureous, scentless. In secondary wooded 
thickets between Luxillo and Cazella, abundant; fl. and young fr. 
Jan. 1857. No. 4208. At Quilanga ; fl. Feb. 1857. Less hairy than 
the type, with the aspect of 7. apiculata Oliv. & Grant, but with the 
inflorescence denser than in the latter. No. 4210. 
_ Houriia.—Flowers purple. In the sandy wooded thickets of 
Catumba ; fl. April 1860. No. 4209. 
3. RAPHIONACME Harv.; Benth. & Hook. f. Gen. Pl. ii. p. 745. 
Zaczatea Baill. in Bull. Soc. Linn. Par., No. 101, 86 (806) (1890). 
—~ 1. R. angolensis N.E. Br. in Kew Bull. 1895, p. 248. 
Zaczatea angolensis Baill., /.c. 
Punco AnponGo.—A lactescent shrublet, sometimes erect, some- 
times decumbent ; leaves hoary-glaucous ; flowers violet-coloured, at 
the base yellowish. On the more elevated of the gigantic rocks in the 
presidium ; fl. Jan. 1857. No. 4201. A shrub 1 to 2 ft. high ; stem 
decumbent below or even hanging down on the rocks, fleshy-woody, 
aodulose, purplish, viscid as well as the sub-succulent leaves ; flowers 
of a pleasant violet-purple colour. In clefts of the elevated rocks of 
the presidium, in company with shrubby orchids and species of 
Velloziaceze (cf. Listrostachys fragrantissima Reichenb. f., Welw. herb. 
nos. 701 and 702, and Xerophyta syuarrosa Baker, Welw. herb. no. 1355 
and Cou. Carp. n. 1006) ; fl. and young fr. Feb. 1857. No. 4202. 
The corona-scales are tripartite, the middle segment of each scale 
being long and subulate and the lateral segments short and semi- 
circular-deltoid. 
2. R. Welwitschii Schlechter & Rendle in Journ. Bot. xxxiv. 
p. 97 (1896). 
AmpBaca.—A perennial herb, with a very large depresso-hemispherical 
copiously lactescent tuberous rootstock of 3 to 5 in. in diameter ; stems 
flagelliform, sometimes erect, sometimes twining and climbing ; flowers 
from whitish to purplish, In sandy wooded thickets between Halo 
and Zamba ; fl. Oct. 1856. The tuber is figured in the notes accom- 
panying the specimen. Welwitsch cultivated a plant of this for a 
long time in Loanda. No. 4234. Seeds for cultivation and placenta 
of a climbing, opposite-leaved plant, a follicle of which was found in 
Quicombo de H4lo on the night of 8 June 1857 without any other 
parts of the plant; follicle ventricose-lanceolate, not lactescent, 
2 in. long, acuminate. Perhaps this species. CoLi. Carp. 167. A 
