166 Lxxxiv. APOCYNACE.E (stapf). [Pleicceras. 



Corolla-scaies 5, oi>j)ositc to the lobes. 



Corolla-tube as long as the lobes ; scales from the 

 mouth, thin, linear, 2-lid or 2-horned at the 

 apex ; one pair of filiform appendages on each 

 side of each stamen . . . . . 3. P. Zenkeri. 



Corolla-tube scarcely half as long as the lobes; scales 

 from the lobes somewhat above the mouth, 

 fleshy, subcjuadrate ; a solitary filifonn appen- 

 dage on each side of each stamen . . . 4. P. GiUeiii. 



1 . P. Afzelii, StapJ. A shrub ; young branches glabrous, 

 chestnut-brown, dotted with numerous lenticels. Leaves oblong, 

 shortly and obtusely acuminate, or sometimes subrostrate, 3|-'^)J in. 

 long, 1-1 -4- in. broad, glabrous, subcoriaceous ; secondary nerves (i-7 on 

 each side ; petiole scarcely 2i- lin. long. Panicle elongate, lax, glabrous ; 

 ihachis and branches much compressed ; bracts and bracteoles minute ; 

 pedicels up to 10 lin. long. Calyx glabrous ; sepals ovate, acute, l-lj^ 

 lin. long, with a flattened gland at the base. Corolla minutely 

 papillose without ; tube 'lit lin. long ; lobes obtuse, rather broad, up to 

 :> lin. long ; episepalous scales very short, ciliate ; epipetalous scales 

 broad, hairy, with bifid tips ; a pair of filiform, more or less divided 

 appendages on each side of each stamen. Anthers 2 lin. long. — Wriyhtia 

 Afzelii, K. Schum. in Engl. Jahrb. xxiii. 2ol. 



Upper Guinea. Sierra Leone (?), Afzelius. 



2. P. Barter!, Baill. in Ball. Soc. Linn. Paris, i. 759. A shrub, 

 8 ft. high ; young branches greyish pubescent or subtomentose, ulti- 

 mately glabrescent, rarely glabrous, reddish- brown, dotted with small 

 whitish lenticels. Leaves oblong, acuminate, shortly acute or 

 rounded at the base, l^-o in. long, |-2 in. broad > glabrous above, 

 minutely pubescent to subtomentose below; secondary nerves C-10 on 

 each side ; petiole up to 3 lin. long. Panicles contracted or at length 

 lax, pubescent to subtomentose, rarely almost glabrous ; peduncle ^-l^ 

 in. long ; bracts small, lanceolate or subulate, deciduous ; pedicels very 

 slender, up to 5 lin. long. Calyx | lin. long ; segments roundish; intra- 

 caAycular glands flat, large. Corolla orange-coloured or yellowish, 

 papillosely pubescent without ; tube 2 lin. long ; lobes ovate-oblong, 

 obtuse, as long or almost as long as the tube; episepalous scales thin, 

 small, bifid or entire, glabrous ; epipetalous scales thin, subquadrate, 

 2-8-horned, glabrous ; a pair of filiform, more* or less divided 

 appendages on each side of each stamen. Anthers over J lin. long. 

 Follicles up to 1 J ft. long ; seeds greenish, 6 lin. long. — K. Schum. 

 in Engl. & Prantl, Pflanzenfam. iv. ii. 186. Wrightia parvijiora, 

 Stapf in Kew Bulletin, 1894, 121 ; Oliver in Hook. Ic. PI. 284.-> ; K. 

 Schum. in Schlechter, Westafr. Kautschuk-Exped. ?>i)%. 



Upper Guinea. Lagos : Eppah, Barter, 3278 ! Oglessa, Millen, 192 ! near 

 Lagos, Barter, 20170 ! Moloney ! Roicland, 57 ! Millen, 177 ! Yoruba, Millsou, 4 ! 

 Ishagamo, Schlechter, 13008. South Nigeria : Adiabo, near Old Calabar, Holland, 86 1 



^^ P. Zenker!, Stapf. Young branches glabrous, chestnut- 

 brown, at length dotted with numerous small lenticels. Leaves oblong 



