190 NORTH AMERICAN FLORA [Volume 25 



5-7, opposite or subopposite, oblong-obovate to obovate, 0.7-3.5 cm. long, 0.5-1.5 cm. 

 broad, coarsely crenate, rounded and frequently emargiuate at the apex, cuneate at the base, 

 in drying becoming light-green or somewhat yellowish-green ; inflorescence axillary and 

 subterminal ; flowers not seen; calyx from under mature follicles 1-1.2 mm. broad, the 

 sepals 4, ciliate; follicles ellipsoid to subglobose, 3.5-4 mm. long, tuberculate-glandular, 

 the valves 3-4 mm. broad, the edges thin ; seeds subglobose, 2.5-3 mm. in diameter, 

 black, shining. 



Type locality : Jaen, Cajamarca, Peru. 



Distribution : Guatemala, Salvador, and northern South America. 



24. Zanthoxylum Harmsianum (L,oes.) P. Wilson, Bull. Torrey 

 Club 37 : 86. 1910. 



Fagara Harmsiana Loes. Bull. Herb. Boiss. II. 3 : 96. 1903. 



A shrub with nearly glabrous branchlets which are more or less armed with few, small, 

 reflexed prickles 2 mm. in length ; leaves odd-pinnate, glabrous or nearly so, 6-12 cm. 

 long, the rachis somewhat angled and bearing few reflexed prickles about 2 mm. long ; 

 leaflets 5-11, the lateral ones with petiolules scarcely 1 mm. long, ovate to oval, 2-4.6 cm. 

 long, 1-2.2 cm. broad, the apex shortly and obtusely acuminate, the base slightly inequi- 

 lateral, obtuse or nearly rounded, the margin entire or sometimes minutely repand, with 

 a small thickening on each side near the base, coriaceous, shining or lustrous above, 

 in drying becoming nearly black with the brownish midrib impressed above, prominent 

 beneath, the lateral nerves wide-spreading, nearly straight and very slender, above obso- 

 lete, beneath somewhat prominent ; panicles subterminal, the branches, peduncles and 

 pedicels very shortly and minutely puberulent, becoming glabrescent ; sepals 4, subdeltoid, 

 obtuse or rounded, scarcely 1 mm. long ; follicles 5-7 mm. in diameter, strongly wrinkled 

 within, grayish-brown ; seeds black, shining. 



Type locality : Sierra Santa Elena, near Tecpam, Chimaltenango, Guatemala. 

 Distribution : Guatemala. 



25. Zanthoxylum Fagara (L.) Sargent, Garden & 

 Forest 3 : 186. 1890. 



Schinus Fagara L. Sp. PI. 389. 1753. 

 Fagara Plerota L. Syst. ed. 10. 897. 1759. 

 Fagara leniiscifolia H. & B.; Willd. Emim. 165. 1809. 

 Zanthoxylum Pterota H.B.K. Nov. Gen. & Sp. 6: 3. 1823. 

 ? Zanthoxylum marginatum Sesse & Moe. Fl. Mex. ed. 2. 231. 1894. 

 ■ Fagara Fagara Small, Fl. SE. U. S. 675. 1903. 



An evergreen shrub or tree, sometimes attaining a height of 10 m., with a slender 

 often reclining trunk, a light-gray bark, the frequently zigzag branchlets usually armed with 

 sharp-hooked stipular prickles ; twigs, petioles, rachis, and inflorescence more or less 

 puberulent; leaves odd-pinnate, 2.5-11 cm. long; leaflets 5-13, obovate, oblong-obovate, 

 oval, or occasionally elliptic or suborbicular, 0.7-2.5 cm. long, 0.5-1.8 cm. broad, occasion- 

 ally longer and broader on the young shoots, rounded or emarginate at the apex, cuneate 

 or rarely rounded at the base, crenulate, the teeth usually above the middle, or rarely entire, 

 glandular, the glands chiefly below the crenatures, sessile or short-petioluled, bright-green 

 and lustrous above, paler beneath, the rachis and petioles grooved, winged ; inflorescence 

 lateral, axillary, short-spicate, usually 1-2 cm. long ; staminate flowers : calyx 1-1.5 mm. 

 broad, glabrous ; sepals 4, triangular to triangular-ovate, acute or sometimes rounded at 

 the apex, 0.4-0.5 mm. long ; petals 4, obovate or oblong-obovate, 2.5-3 mm. long, 1-1.5 mm. 

 broad, rounded or obtuse at the apex, yellowish-green ; stamens 4, longer than the petals, 

 the filaments filiform-subulate ; anthers oval, ovate, or suborbicular ; pistillate flowers : calyx 

 0.9-1 mm. broad, glabrous, the sepals triangular or triangular-ovate, 0.3-0.5 mm. long ; 

 petals ovate or sometimes oblong-ovate, 2 mm. long, 1-1.4 mm. broad, yellowish-green ; 

 gynoecium 2- or 3-, sometimes 4-carpellary ; ovaries sessile ; styles slender, exserted ; 



