Britton: CusaAn PLANTS New To SCIENCE 65 
the apex, narrowed at the base, the petiole 8-16 mm. long; in- 
florescence lateral, shorter than the leaves, pubescent; fruit com- 
pressed subglobose, black, about 12 mm. in diameter and 8 mm. 
thick. 
Dry soil between Banao and Rincon, Santa Clara (Shafer 
I2177). 
Hyperbaena littoralis Britton, sp. nov. 
A tree 5-8 m. high, or shrubby, the twigs slender. Leaves 
oval to suborbicular, coriaceous, shining, 3.5-8 cm. long, 3-5 cm. 
wide, finely reticulate-veined on both sides, with the midvein 
rather prominent, rounded, mucronate or rarely acute at the apex, 
obtuse or somewhat narrowed at the base, the petiole 5-10 mm. 
long; inflorescence lateral, pubescent, shorter than the leaves; 
flowers sessile, green, about 2 mm. broad; fruit black, much com- 
pressed, about I cm. in diameter. 
Coastal woods, hills and thickets, Oriente, Camaguey, Santa 
Clara. Type from Guajimica, Santa Clara (Britton, Earle & 
Wilson 5001). 
Family ANNONACEAE 
Xylopia Roigii P. Wilson, sp. nov. 
A shrub or small tree, the young twigs brown, strigillose with 
short, appressed hairs; leaves oblong-elliptic or obovate, 3.5-7 
cm. long, 1~2.4 cm. broad, rounded or somewhat acutish at the 
apex, cuneate at the base, glabrous and somewhat lustrous above, 
dull and minutely strigillose beneath with short, appressed hairs, 
short-petioled ; flowers immature; calyx about 4 mm. broad, the 
lobes triangular; outer petals oblong, 9-11 mm. long, 2.5-3 mm. 
broad, densely sericeous on the back, the inner petals narrower; 
carpels (mature?) ellipsoid, about 2.5 cm. long, 1.4 cm. broad, 
glabrous. 
Thickets, Baracoa, Oriente (Roig 99). 
Family LAURACEAE 
Persea Shaferi P. Wilson, sp. nov. 
A slender shrub 2 m. high, with puberulent twigs. Leaves 
oblong-elliptic or oblong-obovate, 4.5-7.5 cm. long, 1.5-2.5 cm. 
broad, acutish or obtuse at the apex, acute at the base, glabrous 
above, the midvein impressed, the lateral veins puberulent and 
rather indistinctly reticulate-veined beneath; inflorescence 8 cm. 
