678 Lxxxiii. ASCLEPiADE^. [Cryjitokpis 



6. C. Brazzsei Baill., I.e., p. 83 (803). 



Ectadiopsis lanceolata Baill., I.e. C. Sizenaiuli Rolfe in Bol. 

 Soc. Brot. xi. p. 86 (1893). 



PuNGO Andongo. — Flowers white. In the thickets of the prsesidium, 

 plentiful ; fl. Feb. 1857. A form with long slender twining stems. 

 No. 4197. 



HuiLLA. — Flowers white. At Monino ; fl. Dec. 1859. No. 4207. 



2. TACAZZEA Decaisne ; Benth. & Hook. f. Gen. PI. ii. p. 745. 

 1. T. Welwitschii Baill. in Bull. Soc. Linn. Paris, No. 101, 



p. 87 (807) (1890). 



PuxGO Andongo. — An undershrub, 4 to 7 ft. high ; rootstock 

 thick ; stems csespitose, 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 T. apiculata Oliv. & Grant, but with the 

 inflorescence denser than in the latter. No. 4210. 



HuiLJ.A. — 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., I.e. 



PuxGO Andongo. — 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 

 prjesidium ; fl. Jan. 1857. No. 4201. A shrub 1 to 2 ft. high ; stem 

 decumbent below or even hanging down on the rocks, fleshy-woody, 

 nodulose, purplish, viscid as well as the sub-succulent leaves ; flowers 

 of a pleasant violet-purple colour. In clefts of the elevated rocks of 

 the prsesidium, in company with shrubby orchids and species of 

 Velloziacea3 (cf. Listrostachys friKjrd ntisaitmi Reichenb. f., Welw. herb, 

 uos. 701 and 702, and Xerajjlu/ta xquarrosa Baker, Welw. herb. no. 1355 

 and Coll. 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). 



Ambaca. — 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 Halo 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. Coll. Carp. 167. A 



