808 xciY. ACANTHACE.E. [Bysckoonste 



looking south, above Calunda ; fl. and young fr. 14 Dec. 1856. 

 No. 5075. Xo notes ; in fl. No. 5158. In fr. No. 5189. 



HuiLLA. — A prostrate herb, apparently perennial ; stem angular ; 

 leaves wavy, reddish on the nerves and margin ; flowers whitish, 

 ringent : stamens 4, didynamous. In herbaceous places near Lopollo ; 

 fl. and fr. 12 Feb. 1860. No. 5046. 



2. D. mutica C. B. CI., I.e., p. 73. 



Calophanes radicans, var. mutica S. Moore, I.e., p. 198. 



PuNGO Andongo. — Half a foot high. In fr. No. 5089. In fl. and 

 fr. No. 5094. A herblet, 5 to 8 in. high ; flowers whitish. In 

 hilly rather dry places near Condo, very rare ; fl. March 1857. Only 

 two specimens found, doubtfully referred to this species. No. 5083. 

 Plant 7 in. high ; leaves ranging up to 1| in. long. Doubtful. 

 No. 5082. Plant 7 in. high. In fl. Doubtful. No. 5166- 



3. D. tubicalyx C. B. CI., I.e., p. 74. 

 Calophanes radicans S. Moore, I.e., p. 1^7, partly. 



HuiLLA. — Flowers whitish. In the drier elevated thickets of Em- 

 palanca ; fl. April 1860. No. 5055. 



4. D. nobilior C. B. CL, I.e. 



PuNGO Andongo. — In wooded shady rocky places between Candumba 

 and Calundo, in company with a Bambusacea (cf. Ocytenanthera 

 ahyssinica Munro : cf. Welw. herb. no. 1134); fr. March 1857. 

 No. 5107. 



Mr. Clarke quotes No. 5158 also for this species, but its habit seems 

 to agree better with D. radicans to which I have referred it. 



8. RUELLIA Plum., L. ; Benth. & Hook. f. Gen. PI. ii. p. 1077. 



1. R. patula Jacq. Misc. ii. p. 358 (1781) ; C. B. Clarke in Fl. 

 Trop. Afr. v. p. 45. 



LoANDA. — An undershrub, 1 to Ii ft. high, branched from the base ; 

 branches becoming woody at the base ; flowers violet-blue, g in. long ; 

 corolla-limb 5 cleft, with obtuse lobes ; stamens 4, didynamous, inserted 

 below the corolla-throat where the tube begins to widen, included ; 

 anthers oblong, white, dorsifixed, 2-celled, the cells somewhat diverging 

 at the base ; style filiform ; stigma after the flowering dilated. In 

 hilly sandy places near Maianga do Povo ; fl. and fr. Jan. 1858. No. 

 5127. A plant of 2 ft., sometimes biennial, sometimes lasting for 

 several years ; flowers white. In dry bushy stony places near Teba 

 and Boa Vista, rare ; fl. and fr. beginning of June 1858. No. 5186- 

 A decumbent herb, with ascending branches, |^ to 1 ft. high, ap- 

 parently annual ; two specimens in fr. No. 5139. No notes ; in fr. 

 Nos. 5069, 5121. A shrublet, almost an undershrub, 1 to 2 ft. high ; 

 flowers from purplish to bluish. In hilly bushy places near Boa Vista ; 

 fr. Dec. 1857 and Jan. 1858. Coll. Cakp. 831. 



2. R. prostrata Poir. in Lam. Encycl. Meth. vi. p. 349 (1804);. 

 C. B. CI., I.e., p. 46. 



Loanda. — No notes. In fr. No. 5063, parthj. 



Mr. Clarke, Z.t., thinks that this is not the plant so named in the 

 Encycloprdie, because the calyx is there described as short ; he refers 

 that plant to R. patula Jacq., and calls this one Ii. pro>^trat<i T. And. 

 in Journ. Linn. Soc. vii. p. 24 (1863). A synonym is Ix. Wight/ana 

 Wall. List n. 2397 (1830), and ex Nees in DC. Prodr. xi.p. 124 (1847). 



