422 PROCEEDINGS OF THE AMERICAN ACADEMY 



very brittle wood: nut black toward tbe summit and covered below 

 by a fleshy orange-colored pulp. — Same locality (200). Known as 

 " Jaboncillo." 



BuRSERA FRAGiLis. A " copal-vamish tree," 10 or 12 feet high 

 by 2 or 3 inches in diameter, extremely brittle : leaves clustered at 

 the ends of the branchlets, glabrous, pinnate ; leaflets 1 or 2 pairs, 

 lanceolate, acuminate, cuneate at base, finely crenate-serrate, 1 to 2^ 

 inches long, the slender petiole channelled above and the rhachis nar- 

 rowly winged : peduncles axillary, 1-2-flowered, 3 to 6 lines long: fruit 

 obovate, obtusely triangular, 3-valved, 3 to 5 lines long ; nut covered 

 with a thin yellowish fleshy coat. — Same locality (W). Known as 

 " Tosote." 



Ilex (Aquifolium) rubra. A small tree, 15 or 20 feet high and 

 a foot in diameter : leaves dark green and coriaceous, glabrous beneath 

 and with very fine scattered pubescence above, oblong-oblanceolate, 

 acute, subattenuate at base into a short petiole (4 lines long), sparingly 

 and acutely serrulate toward the top, 1 J to 2 inches long : fruit solitary 

 in the axils, red, globose, nearly 4 lines in diameter, equalling the pu- 

 berulent pedicel ; nutlets 4, longitudinally grooved on the back and 

 sides. — Norogachi, on stream-banks (322). 



WiMMERiA CONFUSA, Hemsl. A shrub, 10 to 15 feet high and 3 

 inches in diameter, "with the habit of a plum tree": leaves narrowly 

 oblong or oblong-lanceolate or subspatulate, attenuate to a slender 

 petiole, crenate, |^ to 2 inches long : flowers white, 3 or 4 lines broad, 

 on slender pedicels (3 lines long) rather exceeding the peduncle : fruit 

 broadly winged, somewhat broader than high, 4 lines long, emarginate 

 at both ends, tipped with a slender style nearly a line long, 1-seeded. 

 — Hacienda San Miguel (120) and Frayles (261, 262). The fruit 

 is much smaller and the leaves narrower in proportion than in W. 

 concolor. 



Karwinskia Humboldtiana, Zucc. — Hacienda San Miguel (N). 

 " Cacachila." A decoction of the leaves is used as a remedy in fevers. 



Ceanotiius buxifolius, Willd. Flowers white tinged with pur- 

 ple, but slightly exserted beyond the bud-scales. — At Cumbre (320). 



CoLUBRiNA GLOMERATA, Hemsl. ? A shrub, 4 feet high : leaves 

 small (1 or 2 inches long), narrowly acuminate: flowers few (3 or 4) 

 in the clusters. — Hacienda San Miguel (1 1 2). 



GouANiA DoMiNGENSis, Linn.? Trailing, along water-courses; 

 apparently identical in flowers, foliage, and pubescence with West 

 Indian specimens. There are, however, broad conspicuous stipules on 

 the main stem, and the body of the reticulated fruit (5 Hues broad) is 



