Zanlhoxylum.'] xxxiii. rutace.?: (oliver). 305 



of extremities and common petiole sprendin*; or asct-iuling. Leaves multi- 

 foliolate, 2-3 ft. or more in length ; leaflets rather coriaceous, shortly pelio- 

 luiate, oblong or varying from ovate to oblong-lanceolate, shortly and rather 

 abruptly acuminate, very oblique at the ))ase, semi -cordate or one side 

 broadly rounded; 0-8 in. long, 2|-3 in. broad. Male fl. very numerous, in 

 large pyramidal branching panicles 1-2 ft. long collected toward the ex- 

 tremities of the branches, in the axil of lanceolate bracts ^ -1 in. lon^ ; mi- 

 nute, 5-raerous, sessile or subsessilc. Petals slightly indjricate. Rudiment 

 of the pistd subulate, upon a thickened disk, rem'ale flower and fruit not 

 seen. 



Upper Guinea. Prince's Island, Manri ! 



2. Z. senegalense, DC. Frod. i. 726. A glabrous shrub or tree at- 

 taining 20 ft. Prickles of the extremities and common petiole usually more 

 or less recurved, ^cute. Leaves 5-9-foliolate ; leaflets alternate or subop- 

 posite, petiolulate, rather coriaceous, obovate-oblong or elliptic-oblong, apex 

 rounded and very shortly and broadly apiculate depressed or retuse, cuneate- 

 rounded at the base, 2-3^ in. long, 1-1| in. broad; petiolules articulated, 

 ^ in. or less. Flowers small, white, sessile ; in terminal branching panicles 

 or in the axils of the uppermost leaves 3-6 in. long or more. Male flowers 

 pentamerous. Petals imbricate. Rudiment of pistil subulate, upon a 

 thickened central disk. Fmits rather crowded, in paniculate clusters shorter 

 than the leaves, 1-carpellary, 1-seeded. Seeds shining, blue-black. — Fagara 

 zanthoxyloides. Lam. Encycl. ii. 446. Zanlhoxylum pulygamum, Schum. et 

 Thonn. Guin. PI. 433 (ex descr.). 



Upper Guinea. Senegal, Perrotiet ! Cape Coast, T. Voyel ! Niger, Barter ! 



3. Z. melanacanthum. Planch, in Herb. Keic. Glabrous. Prickh-s 

 strong, straight, acute. Leaves apparently 5-9-foliolate ; leaflets mem- 

 branous, elliptical, shortly and rather abruptly acuminate, rounded at the 

 base, broadly crenulate, 4-5 in. long, 2| in. broad, subsessile or very 

 shortly petiolulate. Female flowers in terminal, minutely puberulous pa- 

 nicles, shorter than the leaves in our specimens. Flowers 4-merous, equal- 

 ling the pedicels. Sepals minute, rotundate. Petals oblong-lanccoiati-, at 

 length revolute above. Carpel solitary. Male flower and mature fruit not 

 seen. 



Upper Ghiinea. Sierra Leone, T. Vogel ! Jfzelius ! 



4. Z. rabescens. Planch, in Fl. Nigrit. 270. A glabrous prickly shrub 

 of 6 ft. Branches reddish, with acute recurved prickles. Leaves pinnate, 

 8-10 in., common petiole aculeolate ; leaflets "about 11," broadly oval or 

 oblong-elliptical with a narrow obtuse acumen, cuneate or rounded nl the base, 

 entire or obsoletely serrulate above, 2-32- >"• '<^>"g. ^ U '"• ^road. Male 

 flowers whitish, in large, many-flowered, somewhat pyramidal, minutely pu- 

 berulous, temainal panicles ; tetramerous. Pedicels blender, about eqxialling 

 the flower. Sepals minute, rotundate, ciliolate. Petals rather tliin, elliptic- 

 lanceolate, slightly imbricate. Rudiment of ovary minute. Female flower 

 and fruit not seen. 



