186 NORTH AMERICAN FLORA [Volume 25 



cushions ; branches glabrous, occasionally armed with straight or somewhat curved, mostly 

 slender brownish prickles ; leaves equally pinnate or rarely odd-pinnate, 0.6-1.5 dm., or rarely 

 2 dm. long, evergreen; leaflets 4-13, oblong-obovate to obovate, 2-6.5 cm. long, 1-4 cm. 

 broad, rounded, emarginate, or sometimes obtusely acuminate at the apex, cuneate or acute 

 at the base, sometimes inequilateral, not pellucid-glandular, dark-green and shilling above, 

 paler and often with prickly midveins beneath, glabrous, the margins entire, more or less 

 revolute ; petioles and rachis grooved, stout, sometimes bearing slender, brownish prickles ; 

 cymes corymb-like, terminal, or rarely axillary, sometimes sparingly pubescent, their 

 branches 0.2-1.5 dm. long ; staminate flowers : cal}-x 1-1.5 mm. broad ; sepals 3, triangular, 

 triangular-ovate or semi-orbicular, mostly about 0.5 mm. long, the margins minutely den- 

 ticulate or entire ; petals 3, oblong, elliptic-oblong, oval, or occasionally ovate, obtuse or 

 rounded at the apex, 2.5-4 mm. long, 1.7-3 mm. broad, yellowish-white ; stamens 3, slightly 

 longer than the petals, the filaments rather stout, the anthers ovate or oval ; pistillate 

 flowers : calyx 1.5-2 mm. broad ; sepals 3, broadly triangular, semiorbicular or occasionally 

 broadly triangular-ovate, 0.6-1 mm. long, the margins minutely denticulate or entire ; petals 

 3, broadly ovate or oval, 4-4.2 mm. long, 3-3.5 mm. broad, obtuse or rounded at the apex ; 

 gynoecium 3-carpellary ; ovaries sessile ; styles rather short ; follicles subglobose or round- 

 ellipsoid, brown, apiculate, 5-6 mm. long, the surface bearing brown elevated excrescences 

 which are sometimes nearly transparent, becoming depressed at the apex in drying ; seeds 

 solitary in each follicle, subglobose or globose-ovoid, 3-4 mm. long, smooth or slightly 

 wrinkled, black, shining. 



Type locality : Guanimar, Vuelta de Abajo, Cuba. 



Distribution: Southern Florida ; Bahamas; Cuba; Hispaniola ; Grand Cayman. 

 Illustrations: Sagra, Hist. Cuba 10 : pi. 34; Brittou, N. Am. Trees /. 527 ; Sargent, Man. 

 /. 481. 



15. Zanthoxylum spinosum (L,.) Sw. Fl. Ind. Occ. 1 : 574. 1797. 



Sapindus spinosus h- Sp. PI. ed. 2. 526. 1762. 



Fagara emarginata Sw. Prodr. 33. 1788. 



Fagara spinosa Sw. Prodr. 3i. 1788. 



Zanthoxylum emarginatum Sw. Fl. Ind. Occ. 1: 572. 1797. 



Zanthoxylum lapindoides DC. Prodr. 1 : 728. 1824. 



Tobinia coriacea Desv.; Hamilt. Prodr. 57. 1825. 



Tobinia spnmsa Hamilt. Prodr. 57. 1S25. 



Tobinia emarginata Hamilt. Prodr. 57. 1825. 



? Zanthoxylum aculealum Macfad. Fl. Jam. 1 : 191. 1837. 



Zanthoxylum coriaceum Walp.'Rep. 1 : 521. 1842. Not Z. coriaceum A. Rich. 1842. 



/ aga> a sapindoides Krug & Urban ; Urban, Bot. Jahrb. 21 : 587. 1896. 



Fagara Swartzii Krug & Urban ; Urban, Bot. Jahrb. 21 : 589. 1896. 



A glabrous unarmed or densely prickly shrub, 1-3 m. high, or a tree with a grayish or 

 grayish-brown bark, the branches, petioles, and rachis unarmed or armed with straight, 

 slender brownish prickles, 3-S mm. long ; leaves equally pinnate or sometimes odd-pinnate, 

 evergreen ; leaflets 4-12, sometimes more on young vigorous shoots, opposite or subopposite, 

 narrowly ovate to nearly orbicular, 1.5-6.5 cm. long, 1-3.5 cm. broad, rounded, emarginate, 

 or broadly and obtusely acuminate at the apex, obliquely rounded at the base, entire or 

 slightly crenulate, shining above, paler and sometimes prickly on the prominent midrib 

 beneath ; pellucid glands marginal ; petioles and rachis stout, grooved ; inflorescence 

 terminal or sometimes axillary; staminate flowers: cal}"x 1-1.3 mm. broad; sepals 3, tri- 

 angular or semiovate, 0.5-0.6 mm. long, glabrous ; petals 3, oval to broadly oval, 2.4-3 mm. 

 long, 1.6-2 mm. broad, white; stamens 3, longer than the petals; anthers ovate or elliptic ; 

 pistillate flowers: calyx 1.2-1.3 mm. broad; sepals 3, triangular to semioval, 0.5-0.6 mm. 

 long, glabrous ; petals 3, oval, white ; gynoecium 3-carpellary ; follicles 3, of which one or 

 two are usually abortive, ovoid, 6-7 mm. long, brown, the surface often bearing a few, scat- 

 tered, elevated glands ; seeds ovoid, 4.5-5.5 mm. long, smooth, black, shining. 



Type locality : Jamaica. 



Distribution : Jamaica. 



Illustrations: P. Br. Hist. Jam. pi. 20, f. 2; Sloane, Hist. Jam. pi. 16S, f. 4. 



