184 NORTH AMERICAN FLORA [Volume 25 



1-carpellary ; ovary sessile; style long, slender; follicles globose or subglobose, brown, 5-6 

 mm. long, 5-6 mm. broad, brown ; seeds globose or round-ellipsoid, 3.S-5 mm. long, 3.5-4 

 mm. broad, black, shining, more or less wrinkled. 



Type locality : Mountains of Jamaica. 



Distribution : Jamaica ; apparently also Cuba (imperfect specimens in Sauvalle Herbarium). 



9. Zanthoxylum procerum Donn. Smith, Bot. Gaz. 23 : 4. 1897. 

 A glabrate tree, 12-15 m. high ; branches of the inflorescence sparingly tomentulose 

 when young, the older parts glabrous, angled and grooved ; twigs, petioles, rachis, and 

 branches of the inflorescence more or less glandular, rather sparingly armed with short, 

 conic, brownish prickles ; leaves equally pinnate ; leaflets 4-12, opposite, oblong to nearly 

 oval or elliptic-obovate, 6.5-17 cm. long, 3-5 cm. broad, chartaceous-coriaceous, acuminate, 

 obliquely narrowed or somewhat rounded at the base, lustrous, petioluled, glandular- 

 crenate or entire ; midrib and lateral nerves more prominent beneath than above ; rachis 

 channeled; inflorescence terminal, corymbose, many-flowered; staminate flowers: calyx 

 about 1 mm. broad ; sepals 3, semiorbicular, minutely denticulate at the apex ; petals 3, 

 imbricate, elliptic to nearly oval, concave, 1.5-2.5 mm. long, 1-1.8 mm. broad, obtuse at 

 the apex ; stamens 3, longer than the petals ; anthers oblong to oblong-ovate ; rudimentary 

 ovary sessile, conic; pistillate flowers: gynoecium 1-carpellary ; ovary globose, punctate, 

 shorter than the style ; follicles ellipsoid, 5.6-7 mm. long, 4.6-5.5 mm. broad, brown, the 

 glands elevated or impressed ; seeds ellipsoid to subglobose, 4.2-4.8 mm. long, 3.5-4 mm. 

 broad, black, shining. 



Type locality : Santa Maria de Dota, Comarca de Punta Arenas, Costa Rica. 

 Distribution : Southern Mexico and Costa Rica. 



10. Zanthoxylum cubense P. Wilson, Torreya 9 : 32. 1909. 



Zanthoxylum juglandifolium A. Rich. Ess. Fl. Cuba 332. 1842. Not Z. ji<g/a>idifo/iH»i WiUd. 



1806. 

 Fagara juglandifoha Krug & Urban ; Urban, Bot. Jahrb. 21 : 587. 1896. 



A glabrous shrub or tree, up to 13 m. in height, with prickly branchlets ; leaves odd- 

 pinnate ; leaflets 3-9, opposite, short-petioluled, oblong-obovate or obovate, 5-8 cm. long, 

 2-3 cm. broad, short-acuminate, obtuse, rounded or sometimes subemarginate at the apex, 

 narrowed at the base, lustrous above, less so beneath or dull, entire, coriaceous, subequi- 

 lateral, the margin narrowly revolute ; glands of both surfaces more or less impressed, not 

 pellucid, those of the margin larger ; petiole and rachis channeled, unarmed or bearing a 

 few straight brownish prickles ; inflorescence terminal, paniculate ; staminate flowers : 

 sepals 3, connate above the base, in aestivation triangular, coriaceous, 0.3-0.4 mm. long, 

 the margin glabrous, entire ; petals 3, in aestivation a little imbricate, oval or ovate, rounded 

 at the apex, 1.6 mm. long, 0.8-1 mm. broad, subcoriaceous, glabrous, 4-5 times as long as 

 the calyx ; stamens 3 ; anthers subquadrate-ovate ; ovary rudimentary, conic, 3-grooved, 

 obtuse at the apex or elongate-acuminate, entire ; stigma wanting ; pistillate flowers : 

 gynoecium 1-carpellary ; ovary globose ; style long, oblique ; stigma capitate ; follicles soli- 

 tary, sessile, apiculate, globose. 



Type locality: In high mountains of Vuelta de Abajo, Cuba. 

 Distribution : Andros ; Cuba. 



11. Zanthoxylum pimpinelloides (Lam.) DC. Prodr. 1 : 726. 1824. 



Fagara pimpinelloides Lam. Tab. Encyc. 1 : 334. 1791. 



An armed or unarmed shrub, 2-3 m. high ; branches and leaves often armed with straight 

 brown prickles 3-8 mm. long; leaves odd-pinnate; petioles and rachis channeled above, 

 the margins of the grooves sometimes narrowly wing-like, unarmed or on the rachis with 

 two prickles under the insertion of a pair of leaflets; leaflets 11-25, opposite, sessile or sub- 

 sessile, ovate to orbicular, 0.8-2 cm. long, 0.5-1.8 cm. broad, unarmed or bearing 2 or 3 

 prickles beneath on the midrib, shining above, beneath paler, shining or dull, obtusely 

 acuminate or rounded-acuminate at the apex, subequilaterally rounded at the base, entire 

 or obsoletely crenulate ; glands on the under surface small, brownish, those on the margin 



