Craterostigma | LXXXIX, SCROPHULARIACES. 761 
9. CRATEROSTIGMA Hochst. ; Benth. & Hk. f. Gen. Pl. ii, 954. 
Dunalia Br. in Salt, Abyss., App. p. lxiv (1814) nomen ; non 
H. B. & K. (1818). 
The species which have been added to this genus subsequently 
to Benth. & Hook. f., 7c. (1876) have made the discrimination of 
it from Vorenta increasingly difficult ; I have, however, followed 
Dr. Engler in his treatment of them. 
1. C. plantagineum Hochst. in Herb. Schimp. Abyss. i. n. 310 
(U. 7. 1840), and in Flora xxiv. p. 669 (1841). 
Torenia plantaginea Benth. in DC, Prodr. x. p. 411 (1846). 
Huiiia.—Corolla white, with a yellow lip. In sandy swampy 
pastures and in neglected fields by the road which leads towards 
Gambos, tolerably plentiful ; A. and fr. Jan. and beginning of Feb. 
1860. No. 5785. Habit primulaceous ; leaves rather fleshy, rigid, 
thick, rosulate ; petiole bright scarlet ; corolla white, with a yellowish 
lip and violet-coloured helmet. In sandy-clayey swampy places in 
short grass and also in neighbouring fields, plentiful ; fl. and young fr. 
Jan. 1860. No. 5786. A perennial herb, scarcely 2 to 4 in. high, 
with the habit of a Streptocarpus; flowers yellowish blue, very 
elegant. At Lopollo; fr. 28 Jan. 1860. Apparently this species. 
Couu. Carp. 810. 
2. C. crassifolium Engl. Bot. Jahrb. xxiii. p. 500 (1897). 
PunGgo ANDONGO.—An annual herb, scarcely 2 in. high ; branchlets 
erect-spreading ; leaves rather fleshy, subglaucescent-green ; corolla 
from whitish to yellowish ; the upper lip marked with longitudinal 
purple lines. In exposed moist places among the more elevated 
gigantic rocks of Santo Antonio in the presidium ; fl. and fr, April 
1857. No. 5869. <A rather viscid, annual, erect, branched herb, 2 to 
4 in. high, with the habit of Huphrasia ; leaves opposite ; flowers 
whitish, rather large, bilabiate, with striped lips. In sandy open 
pastures between Candumba and Lombe, growing plentifully and 
occupying broad tracts in dense masses ; likewise abundant between 
Bumba and the great cataract of the river Cuanza near Condo; fl. and 
fr. March 1857. No. 5870. 
Huiitia.—A suffruticose herb, scarcely a hand high, usually shorter ; 
stem ascending, usually purplish, somewhat naked below, with 
numerous branches above; leaves rather fleshy and glossy, often 
bright purple beneath ; corolla hypogynous, bilabiate, white ; the 
tube exserted ; the upper lip the shorter, subentire, ciliate, purple- 
streaked beneath ; the lower lip trifid, the middle lobe the greatest, 
all three denticulate-fimbriate ; the throat purple-striate ; stamens 4, 
all fertile, the posterior pair the shorter ; the filaments of the anterior 
ones inserted at the base of the lobes of the lower lip, bulbous-inflated 
at the base and bent backwards, then in the middle arched forwards 
again at an acute angle ; anthers sub-cohering in pairs, 2-celled, the 
cells divaricate ; style simple ; stigma bi-lamellate. Im damp pastures 
at an elevation of 5400 ft., and in sunny wooded places by streams 
near Lopollo, plentiful; fl. and fr. Jan. 1860. No. 5790. Flowers 
whitish, turning somewhat yellow. In swampy open woods close to 
the river Monino; fl. and fr, Dec. 1859 and Jan. 1860. No. 5791. 
Almost the entire plant deep red, except the whitish flowers. In 
elevated spongy parts of Morro de Monino; fl. and fr. end cf Jan. 
1860. No. 5792. Towards Nene, intermixed with other species; fl. 
and fr. May 1860. No. 5794. 
