278 NORTH AMERICAN FLORA [Volume 25 



1. Trichilia triacantha Urban, Symb. Ant. 1: 329. 1899. 



Acanthotrichilia triacantha Cook & Coll. Contr. U. S. Nat. Herb. 8: 65. 1903. 



A shrub 5-10 m. tall, with grayish-brown branches; young twigs densely puberulent; 

 leaves odd-pinnate with closely approximate leaflets; petioles 3-6 mm. long; leaflets 3-7, 

 obovate-cuneate or cuneate, 1-3 cm. long, 0.5-1.5 cm. broad, all broadest at or near the 3- 

 toothed apex (teeth rarely 4 or 5), with the margins concave between the teeth, sessile or sub- 

 sessile, coriaceous, reticulate-veined, glabrous; inflorescence racemose or paniculate, axillary at 

 the apex of the branches and twigs, 4 cm. long; flowers not seen; calyx-tube short cup-shaped, 

 the margin strongly depressed or obsoletely toothed, 0.7 mm. long; petals 4 or 5, in aestivation 

 valvate, ovate or elliptic, 2-2.5 mm. long, coriaceous, minutely pilose on the back; staminal 

 tube 2 mm. high; anthers 8 or 10, sessile on the margin of the disk between the teeth; style 

 a little shorter than the ovary; stigma capitate; disk wanting; ovary globose, tapering into 

 the style, pilose, 1-celled; fruit unknown. 



Type locality: In limestone mountains at Tallaboa, near Pefiuelas, Porto Rico. 

 Distribution: Porto Rico. 



2. Trichilia aquifolia P. Wilson. 



Ilex cuneifolia L. Sp. PI. 125. 1753. 



Trichilia cuneifolia Urban, Symb. Ant. 7: 242. 1912. Not T. cuneifolia Pulle, 1909. 



A shrub 3-4 m. tall, or a tree, with brownish or grayish-brown puberulent twigs; leaves 

 odd-pinnate, the petioles 0.5-2 cm. long, puberulent; rachis 1-4 cm. long; leaflets 3 or 5, 

 rarely 7 or solitary, quadrangular with the lower two-thirds cuneate, the upper third 

 broadly triangular and armed with a spine at each angle, 2-6.5 cm. long, 2-4.5 cm. broad, 

 subopposite or alternate, rigid-coriaceous, glabrous, short-petioluled, reticulate-veined on 

 both surfaces; lateral veins subhorizontal, the midrib more or less impressed above, prominent 

 beneath; panicles axillary, few-flowered, 1-2.5 cm. long, the branches strigillose; calyx-tube 

 short cup-shaped, subtruncate at the base, 5-lobed, the lobes short and broadly triangular or 

 triangular-ovate, 0.5 mm. long, strigillose on the outside; petals oblong-lanceolate or elliptic, 

 3-4 mm. long, 1-2 mm. broad, valvate in aestivation, coriaceous, strigillose on the back; 

 staminal tube 1.5^2 mm. high, glabrous, 10-toothed; anthers oblong, sessile on the margin of 

 the staminal tube between the triangular-lanceolate teeth; stigma depressed-capitate; ovary 

 short-conic or conic-ovoid, strigillose; capsule oblong, 2.5 cm. long, 1 cm. broad above the 

 middle, woody, deeply 6-grooved, loculicidally dehiscing to the base, 1-seeded. 



Type locality: Tropical America. 



Distribution: Hispaniola. 



Illustration: Plumier, PI. Am. pi. 118, f. 2. 



3. Trichilia monacantha Urban, Symb. Ant. 1: 329. 1899. 



A shrub 2.5 m. or more in height, with terete grayish-brown branches, the twigs angled 

 and minutely and densely puberulent; leaves digitately 3-5-foliolate; petioles puberulent, 

 3-6 mm. long; leaflets oblong-lanceolate to oblong-elliptic, acuminate at the apex and spine- 

 tipped by the excurrent midrib, acute or cuneate at the base, the terminal leaflet 2-2.5 cm. 

 long, 0.7-0.8 cm. broad, the lateral leaflets somewhat smaller, sessile, coriaceous, glabrous, 

 entire; lateral veins more or less prominent on both surfaces, the midrib prominent beneath; 

 inflorescence axillary, racemose, few-flowered, the branches puberulent; bracts linear-subulate, 

 1.5-2 mm. long; flowers imperfectly known; calyx strigillose; fruit unknown. 



Type locality: In woods near Santiago, Santo Domingo. , 



Distribution: Santo Domingo. 



4. Trichilia reticulata P. Wilson. 



Trichilia polyneura Urban, Symb. Ant. 5: 380. 1908. Not T. polyneura C. DC. 1905. 



A shrub or small tree 5-6.6 m. tall with grayish branches; twigs puberulent; leaves digi- 

 tately 3-foliolate, rarely 4-foliolate or sometimes 5-foliolate on young shoots; petioles 0.7- 



