480 LVIII, LYTHRACEH (HIERN). [ Ammannia. 
short. Capsule 1-celled, dehiscing transversely near apex and also by 
short longitudinal fissures beneath, equalling or exceeding the calyx; 
placenta compressed. 
Lower Guinea. Angola, Mossamedes, fl. July, fr. August, Dr. Welwitsch! 
9, A. Loandensis, Wein. mss. Annual, of a deep green colour, 
poe with several stems from the crown of the root 3—7 in. long ; 
ranches opposite, spreading, ascending, tetragonal. Leaves oval- 
oblong, subsessile, usually lanceolate, acute at apex and cordate or wide 
near base, }—1 in. long by a third the width, slightly rough, subglau- 
cescent below, margins thickened, recurved, whitish, sublepidote. 
Flowers in sessile many-flowered cymes with slender unequal pedicels 
which do not or scarcely exceed the calyx in length. Bracteoles 2 or 
more, linear-subulate at base of Hiedicals. Calyx compan ae 
in bud with conical base, 8-striate, with 4 shortly deltoid lobes, an 
4 longer cornua, ciliate at apex or papillose. Petals very rare, not 
minute when present. Stamens 4, equalling the calyx. Style distinct. 
Capsule dehiscing transversely near the top and with short slits be- 
neath ; placenta compressed.—Near A. cordata, Wight, Prod. Pen. Ind. 
Or. 304 (1834). 
Lower Guinea. Angola, Loanda, fl. July, Dr. Welwitsch! 
10. A. aspera, Guill. et Perr. Fl. Seneg. i. 804. Erect or ascend- 
ing, branched near the base, 83-6 in. high, subglaucous, slightly rough 
or asperulous; branches tetragonal, at base subterete and reddish, the 
lower ones procumbent. Leaves lanceolate, widely cuneate or subcor- 
date at the base, suddenly attenuate into a very short petiole, {-1 ~ 
by 1-3 lines wide, rather rigid, spreading ; margins thickish, recurved, 
whitish, faintly denticulate. Inflorescence cymose, trichotomous, a 
flowered. Common peduncle usually ;4,-} in. long, with the leat 
stalk adnate to its base and often with 2 leaf-like bracts at top; Dbra¢- 
teoles unequal at base of pedicels; pedicels distinct. Calyx with 4 
short deltoid lobes and as many conspicuous cornua, 8-ribbed. Petals 
wanting. Stamens 4, equalling the calyx, opposite the calyx-lobes (or 
according to Guill. et Perr. 1.c., opposite the cornua). Ovary sessile, 
4-lobed, 2-celled; style rather short. Capsule reddish, rather eX- 
ceeding the calyx, 1-celled, dehiscing by a short transverse lid and by 
short slits beneath. Seeds concave on’ one side convex on the other, 
dark. 
Upper Guinea. Senegal, Kounoun, Cape Verd, fl. March, Perrottet! 
Lower Guinea. Angola, Mossamedes, fl. and fr. August, Dr. Welwitsch ! 
ll. A. passerinoides, Wel. mss. Annual or biennial, woody # 
base, 2-4 ft. high, with pilose pubescence ; stem erect, slender, at base 
terete reddish Gi He and leafless, above with erect or ascending 
branches, tetragonal, hoary and leafy. Leaves opposite alternate OF in 
whorls of 3 or 4, hastate, sessile, lanceolate, apiculate, hoary-pl0S® 
on barren lateral branches broader and shorter ; margins recurved con 
