Leptactina.'] lxx. rubiace^ (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 set89 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 5-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- 

 rulous 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 1^-3 in long. 



Style glabrous or puberulous above. 



Leaves petiolate. Style included 2. Z. densiflora. 



Leaves subsess'le. Style much exserted d. L. senegatyibica. 



Slyle hirsute above 4. Z/. heinsioidcs. 



1. la. Mannii, HooJc.f. Ic. PI. 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-^8;^ in. ; margins reflexed ; lateral veins 9-12 on each side of 

 midrib ; scipules oval, rounded double back, concave, persistent, shortly 

 ciliate, ^| in. broad. Flowers 4-6 in. long, on short thick pedicels 

 continuous with the calyx, fascicled in dense sessile cymes. Calyx 

 ^^ in. long, puberulous, obscurely ribbed ; lobes 1 in. long, oblong or 

 narrowly elliptical, minutely ciliate, obtuse. Corolla-lobes 2-3 in. 

 long, lanceolate, subobtusely tapering, glabrous inside ; throat rigidly 

 bearded. Anthers §— | in. long. Style pubescent-pilose, included or 

 shortly exserted. 



Tipper Guinea. Gaboon River and Kongui River, 1° N. lat. Mann! 



2. Xi. densiflora, Hook. /. Ic. PI. sub t. 1092. Branchlets pu- 

 berulous, giabrescent, subterete or obtusely angular. Leaves oval, 

 shortly acuminate, subcuneate at the base, shortly pilose on the veins 

 beneath, 3-6 by 1^—3^ in. ; margins narrowly reflexed ; lateral veins 

 about 9 on each side of the midrib ; petiole \—\ in. ; stipules o-^ate, 

 acuminate, nearly flat, erect, ciliate, persistent, ^-^ in. long. Flowers 

 1^-2^ in. long, subsessile, densely packed in sessile shortly pubescent 

 cymes. Calyx-tube ^ in. long shortly pubescent ; lobes lanceolate- 

 oblong, subacute, ciliate, ^-f in. long, subfoliaceous. Corolla-lobes 

 •J-| in. long, ovate, aouininate, subacute, subargenteous outside, gla- 

 brous inside ; throat slightly hairy. Style included, glabrous. 



Upper Guinea. Abbeokouta, Irving ! 



