Ruellia] xciv. acanthace.e. 809 



3. R. bignoniseflora S. Moore in Jonrn. Bot. 1880, p. 198 ; 0. B. 

 CL, I.e., p. 48. 



Dischistocalvx hignoniijlorus Lindaii in Engl. Nat. Pflanzenfam. 

 iv. 36., p. 307'^(1895). 



Ambriz. — In thickets near Banza do Regulo Quisembo, sparingly : 

 with the corollas fallen, end of Nov. 1853. No. 5126. 



Luanda. — A glandular-viscid undershrub, 2 to 3 ft. high, with 

 white flowers. In rocky places at Praia de Zamba Grande, plentiful ; 

 fl. and fr. 16 Jan. 1859. No. 5202. No notes. In fr. No. 5083, ;>«/'%. 

 Corolla nearly 4 in. long, with an elongated trumpet-shaped tube. 

 No. 5130. Suffruticose, the whole plant emitting a goatish smell ; stem 

 beset with whitish hairs ; flowers large, white. In thickets near Boa 

 Vista ; fr. March 1854. Probably this species. Coll. Carp. 829. 



The following description taken from Welwitsch's MSS. pro- 

 bably belongs to Ruellia bigoionicpjiora S. Moore : — 



LoANDA. — An erect, branched undershrub or shrublet, remarkable 

 for its goatish smell ; stems whitish, woody : branches herbaceous, as 

 well as the leaves beset with stalked densely crowded viscid rank-fetid 

 glands ; flowers white, solitary in the axils of the leaves, erect-spread- 

 ing, quickly withering ; calyx deeply o-clef t, divided to the base ; the 

 segments equal, elongated, linear-lanceolate, erect, beset on the back 

 with glandular hairs, ciliate on the margin with longer glandless hairs : 

 corolla tubular, somewhat funnel-shaped ; the tube long, shortly pilose 

 outside, glabrous within, cylindrical nearly throughout its whole 

 length, the limb subequally 5-cleft, the lobes during the flowering sub- 

 bilabiately spreading ; stamens 4, didynamous, inserted a little below 

 the corolla-throat, included ; filaments cylindrical, somewhat pilose ; 

 anthers linear-oblong, whitish, bifid at the base, attached at the back 

 near the emargination, bilocular ; the cells parallel, muticous ; ovary 

 ovoid-conical, sessile in the centre of the thick white turgid disk, 

 bilocular : the cell's 4-ovulate ; the ovules ascending, reniform ; style 

 long, a little exceeding the stamens, filiform ; stigma bifid ; the lobes 

 unequal in length, stigmatose on the inner side. In dry plantations of 

 Euphorbia, also in hilly bushy places near Boa Vista, plentiful ; fl. from 

 November to March. Distinguished from all other Angolan Acanthaces^ 

 by its long tubular flowers, coupled with its rank goatish smell. 



4. R. diversifolia S. Moore, Z.c, p. 198 ; C. B. CI., I.e., p. 48. 

 MossAMEDES. — A suffrutescent herb, 2 to 3 ft. high, clothed with 



white goatish-fetid glands and hairs ; stems numerous ; flowers white.. 

 On rocks of red sandstone at Boca do Rio Bero, only in a few places ; 

 fl. and fr. July 1859. No. 5042. 



Bumbo. — Corolla whitish with a flesh-coloured tube. At the out- 

 skirts of thickets and in dense thickets near Bumbo ; fl. and fr. Oct. 

 1859. No. 5033. 



As to whether this species should be referred to the genus Paulo- 

 wilhelmia, see Lindau in Engl. Nat. Pflanzenfam. iv. 36 p. 301 (1895)-. 

 The pollen is globose, nodulose, not prickly. 



9. PETALIDIUM Nees; Benth. & Hook, f . Gen. PL ii. p. 108L. 



1. P. physaloides 8. Moore in Journ. Bot. 1880, pp. 225, 228, 

 tab. 212, fig. 2 ; C. B. CI. in Fl. Trop. Afr. v. p. 89. 



Pseiidobarleria physaloides Lindau in Engl. Nat. Pflanzenfam. 

 iv. 36, p. 299 (1895). 



