Doniane. N. O. Rubiacee. 
TAB. DCCLXXXI. 
Uncaria AFRICANA, Don. 
Ramis tetragonis foliisque glabris, his breviter petiolatis ob- 
longis v. subovatis acuminatis basi obtusis integerrimls 
v. hine inde denticulatis rigide chartaceis siccitate fuscis x 
v. fusco-atris subtus fuscis (pallidioribus), capsulis in ca- 
pitulum terminalem amplum collectis, pedicellis ungulcu- 
laribus parum longioribus et cum eis pilis detersibilibus 
adpressis sericantibus v. subglabratis, seminum cauda 
altera indivisa, altera bicruri. 
Unearia Africana, Don, Syst. vol. 3, p. 471. 
Has. In Afric. trop. occid. Sierra Leone. Don in herb. Soc. 
Hort. Lond. Vogel, n. 1 17, in herb. Hook. 
Rami juniores acute tetragoni, epidermide nigro-purpuras- 
cente nitida. Unci juniores in ramulis sterilibus brevésy 
spiniformes, vix curvyati, pungentes, adulti crassi, petiolis 
duplo longiores. Folia 3-4 poll. longa, 14-3 lata ; nervilate- 
rales utrinque 5-7, facie utraque prominuli. Capitula pon 
pedunculata, multiflora. Capsule plurime ventricoso-fusi ie 
mes, basi sensim attenuate, apice calyce cyathiformi 5- 
dentato, circiter 2 lin. longo coronate, valvis dorso go 
costato sulcatis, endocarpio, more generis, in laminas car 
tilagineas glaberrimas soluto. Semina numerosiss! oe 
oculo nudo scobiformia, nucleo subgloboso, caudis P# 
leaceis argenteo-nitentibus, utraque ultra lineam longa- 
Fig. 1. Capsula semi-aperta magnitudine naturali, pang 
limbo nimis magno.) f. 2. Eadem, valva altera ablata, ‘s 
___ docarpii lamina, collumellaque bipartita exhibitis. f. 3- CP” 
_ Sula immatura, J. 4. Semina amplificata. Planchon. 
