186 LXX. RUBIACEZ (HIERN). [ Psilanthus. 
or oblong, contorted dextrorsely (as seen from inside) in estivation. 
Stamens 5-4, inserted at the throat of the corolla, glabrous ; filaments 
short or obsolete ; anthers linear, included or partly so, fixed by the 
back, at or above the middle. Disk fleshy, glabrous. Ovary 2-celled; 
style slender, glabrous, bifid or bidentate, included, divisions linear or 
ovate ; ovules solitary, “widely adnate to the middle of the septum, 
amphitropous” (Benth. et Hook. f. l.c.). Berry obovoid-oval, rather 
fleshy (in the typical species), crowned by the accrescent ealyx-lobes ; 
pyrenes 2. Seeds oblong; umbilicus ventral.—Glabrous shrubs, with 
opposite branches and leaves, short ovate stipules connate at the base, 
and solitary or subsolitary axillary or terminal subsessile white herma- 
phrodite flowers of moderate size, with or without calyculate bracteoles 
at the base. 
An endemic genus, 
Flowers axillary and terminal, pentamerous, 13-23 in. long. 
Anthers half-exserted. . . . . . 0.0. 0. . + « 1. P. Mamnii. 
Flowers terminal, pentamerous, 1 in. long. Anthers wholly 
included . 1... eee ee ee we wwe PL? ebracteolatus. 
Flowers terminal, tetramerous, % in. long. Anthers wholly 
included . 2... 1. ww ee ee ew ee 8. PL? tetramers. 
1. P. Mannii, Hook. f. Ic. Pl. t. 1129. A shrub, 10 feet high, 
shining. Leaves oval, obtusely and abruptly acuminate, rather oblique 
at the base, firmly chartaceous, 3-6 by 14-24 in. ; lateral veims about 
6-8 pairs; petiole 4-4 in.; stipules very short. Flowers 13-23 m. 
long when expanded, axillary (and in the terminal axils) subsolitary, 
subsessile ; bracteoles cup-shaped, surrounding the base of the calyx. 
Calyx green; limb shorter than the ovary in flower, accrescent; 8¢3” 
ments 5, ovate, in fruit lanceolate-oblong and 3-4 in. long. Corolla 
white ; tube very slender; limb 2-3 in. diameter; segments 9, oval. 
Anthers 5, } in. long, sessile, half-exserted, fixed by the middle of the 
back. Style wholly included, slender, bifid; lobes linear. Fruit 
obovoid-oval, 2-3 in: long, crowned by the persistent foliaceous caly* 
segments. 
Upper Guinea. Fernando Po, on the beach, Mann! 
2. P.? ebracteolatus, Hiern. A shining shrub 6-8 feet high. 
Branches patent. Leaves elliptical, obtusely acuminate or obtuse 
wedge-shaped at the base, membranous, 14-4 by 3-1} in.; later® 
veins about 4-5 pairs, very slender, inconspicuous; petiole 79-5 
stipules small, connate or more or less sheathing. Flowers 1 in. long; 
terminal, solitary, subsessile, ebracteolate. Calyx green; limb very 
shallowly cup-shaped, obscurely dentate, glabrous. Corolla white; 
tube slender, funnel-shaped above; limb 3-1 in. diameter, lobes ’ 
ovate, subobtuse or mucronulate. Anthers wholly included, 2 in. long; 
fixed at the back above the middle, just reaching the top of the corolla- 
tube; filaments short deflexed. Style included, bidentate or Le 
Ovules pendulous from the apex or (according to figure in the Ke 
herbarium) attached rather above the middle. 
Upper Guinea. Bagroo River, Mann! Ambas Bay, Mann! 
