Leptactina. | LXX. RUBIACEH (HIERN). 87 
25. LEPTACTINA, Hook. f.; Benth. et Hook. f. Gen. Pl. ii. p. 85 
(Leptactinia). 
Calyx-tube oblong or campanulate, equalling the ovary; limb 
5-partite, with short erect fleshy setze at base ; lobes equal, elongated, 
foliaceous or somewhat so, contorted dextrorsely (as seen from within) 
in bud, persistent. Corolla salver-shaped ; tube slender, elongated, 
silky outside ; limb o-partite; throat more or less hairy ; lobes elong- 
ated, subequal, contorted dextrorsely in bud. Stamens 5; anthers 
sessile, narrowly linear, glabrous, included or partly exserted, inserted 
by the middle ‘at the throat of the corolla. Disk fleshy. Ovary 
2-celled ; style filiform, bifid at apex ; ovules numerous, sessile, peltately 
attached to the fleshy placentas. Fruit ovoid, 2-celled ; cells many- 
seeded. Seeds angular, closely packed together.—Glabrous or pube- 
tulous erect branched leafy shrubs of some size, with opposite ‘charta- 
ceous glossy leaves, rather large broad ovate stipules and large 
hermaphrodite flowers in dense terminal sessile or subsessile cymes. 
An endemic genus. 
Stipules much concave, doubled back. Flowers 4-6 in. long 1. L. Mannii. 
Stipules nearly flat, erect. Flowers 14-3 in long. 
Style glabrous or puberulous above. 
Leaves petiolate. Styleincluded . . . . . . . . 2. DL. densiflora. 
aves subsessile. Style much exserted. . . . . . 38. L. senegambica. 
Style hirsute above . . - 2 . 4 DL, heinswides. 
1. &. Mannii, Hook. f. Ic. Pl. t. 1092. A nearly glabrous shrub, 
12 ft, high; branchlets subterete. Leaves obovate-oval, obtuse or 
shortly acuminate, wedge-shaped at the base, subsessile, 3-8 by 
1-3: in. ; margins retlexed; lateral veins 9-12 on each side of 
midrib ; stipules oval, rounded double back, concave, persistent, shortly 
ciliate, 4-$ in. broad. Flowers 4-6 in. long, on short thick pedicels 
patinuons with the calyx, fascicled in dense sessile cymes. Calyx 
In. long, puberulous, obscurely ribbed ; lobes 1 in. long, oblong or 
wrorly elliptical, minutely ciliate, obtuse. Corolla-lobes 2-3 in. 
ong, lanceolate, subobtusely tapering, glabrous inside; throat rigidly 
farded. Anthers 2-3 in. long. Style pubescent-pilose, included or 
shortly exserted. 
Upper Guinea. Gaboon River and Kongui River, 1° N, lat. Mann? 
ber zt" densiflora, Hook. f. Ic. Pl. sub ¢. 1092. Branchlets pu- 
rulous, glabrescent, subterete or obtusely angular. Leaves oval, 
pnortly acuminate, subcuneate at the base, shortly pilose on the veins 
a neath, 3-6 by 1}-3} in.; margins narrowly reflexed ; lateral veins 
a ut 9 on each side of the midrib; petiole }-} in.; stipules ovate, 
nminate, nearly flat, erect, ciliate, persistent, }—% in. long. Flowers 
ee” in. long, subsessile, densely packed in sessile shortly pubescent 
yea Calyx-tube 4 in. long "shortly pubescent ; lobes lanceolate- 
278) subacute, ciliate, 4-2 in. long, subfoliaceous. Corolla-lobes 
as oy long, ovate, acuminate, subacute, subargenteous outside, gla- 
°88 Inside ; throat slightly hairy. Style included, glabrous. 
Upper Guinea. Abbeokouta, Irving / 
