202 LXX. RUBIACEE (HIERN). [ Psychotria. 
firmly chartaceous, of nearly the same colour on both — surfaces, 
3-9 ‘by 13-4 in., margins narrowly revolute, lateral veins about 
8-10 pairs, conspicuous beneath; stipules deltoid, undivided, apiculate, 
glabrous, small, caducous. Flowers pentamerous, about 4 in. long or 
rather more, on very short pedicels, many together in dense subglobose 
ebracteate subsessile terminal panicles of 1 in. or more diam., laxer and 
larger in fruit. Calyx-limb hemispherical, about as long as the ovary, 
subtruncate, minutely ciliate. Corolla-lobes 5. Disk fleshy. Berries 
fleshy, ovoid, nearly 4 in. long. 
Upper Guinea. Near the Gaboon River, Mann ! ; 
The following specimens differ from the type of this species and may perhaps 
prove to be distinct :— ; . . . 
(1) Flowers 3 in. long; panicles 2 in. diam. in flower, 4 in, diam. in fruit; berries 
crowned by a persistent calyx-limb. . 
Cameroon Mountains, at 2-3,000 feet elevation, Mann/ a shrub, 6-8 feet high. ; 
(2) Berries about 1 in. long; leaves rather abruptly wedge-shaped at the base; 
lateral veins less conspicuous ; corolla red. 
Sierra del Crystal, Mann ! a shrub, 8 feet high. 
(3) Corolla white or pale yellow, slightly curved. 
Niger Expedition, at Eppah, Barter / and at Onitsha, Barter! 
(4) Panicles pedunculate, peduncle 4-? in. long. 
Gaboon River, Mann! 
20. PB. arborea, Hiern. A small nearly glabrous tree, not 
shrubby. Branches terete, towards the extremities compressed. 
Leaves elliptical, narrowed at both ends, glabrous, thinly coriaceous, 
of nearly the same colour on both surfaces, 8-14 by 3-5 in., margins 
narrowly revolute ; petiole 2-14 in. long; lateral veins about 12 pairs; 
stipules caducous .... Flowers } in. long, on short pedicels, 1” 
rather dense hemispherical branched terminal shortly pedunculate pu 
berulous cymes of 2 in. diam.; common peduncle } in. long ; bracts am 
bracteoles minute or obsolete. Calyx green; limb hemispherical, a8 
long as the ovary, entire, glabrous. Corolla white; tube funel-shaped ; 
mb 5-6-lobed; throat bearded. Anthers exserted. Style bifi 
above. 
Upper Guinea. Old Calabar, Rev. W. C. Thomson! 
21. P. sciadephora, Hiern. <A nearly glabrous shining shrub, 
3-10 feet high. Branches smooth, terete, compressed towards the ex- 
tremities. Leaves narrowly elliptical, acuminate, wedge-shaped at the 
base, membranous, of the same colour on both surfaces, 4-7 by 1-23 
margins narrowly and subrepandly revolute ; lateral veins | about ‘ 
pairs, slender ; petiole }—} in. ; stipules depresso-deltoid, undivided, ap! 
culate, ¢ in. long, shaggy inside, deciduous ; the young shoots 
sheathed at the base by scales which are shaggy inside like the stipules. 
Flowers pentamerous, on short pedicels, in dense small clusters arta ‘6 
in sessile or subsessile terminal umbels of about 1-1} in, diam. ; te 
obsolete. Calyx brown; limb longer than the ovary, shortly 5-fid; 
lobes recurving, ovate. Corolla brown, very .short ; throat pearded- 
Berries oval, 4 in. long ; albumen of the seeds uniform, horny- 
Upper Guinea. Cameroon Mountains, at elevation of 4,000 feet, Mann nl 
bas Bay, Mann ! 
