BRITTON: CuBAN PLANTs NEw To SCIENCE 73 
In rich woods, Navas to Camp Buena Vista, Oriente. En- 
demic. A shrub about 3 m. high. 
Ramsdenia incrustata (Urban) Britton, comb. nov. 
Phyllanthus incrustatus Urban, Repertorium 13: 449. 1914. 
Moist woods, mountains of northern Oriente. Endemic. 
Orbicularia scopulorum Britton, sp. nov. 
A shrub, 2 m. high, with slender, ascending branches and very 
slender leafy twigs; stipules setaceous, deflexed, 3-4 mm. long; 
leaves spatulate-obovate, 5-7 mm. long, nearly sessile, distichous, 
minutely foveolate and inconspicuously veined above, distinctly 
pinnately veined beneath, rounded at the apex, cuneate at the 
base; flowers and fruit unknown. 
Rocky thickets near Camp Toa, Oriente, at about 400 m. alti- 
tude (Shafer 4006). 
Orbicularia foveolata Britton, sp. nov. 
A vine-like shrub, with short, ascending branches, the twigs 
very slender. Stipules subsetaceous, about I mm. long. Leaves 
coriaceous, orbicular-obovate or elliptic-orbicular, nearly sessile, 
8-12 mm. long, shining, inconspicuously veined and distinctly fo- 
veolate above, dull, and prominently veined beneath, rounded at 
the apex, obtuse at the base; flowers and fruit unknown. 
Camp La Gloria, south of Sierra Moa, Oriente (Shafer 8271). 
ROIGIA Britton, gen. nov. 
A shrub with dimorphous branches, the narrowly spatulate, 
entire leaves spirally arranged on the short secondary branches, 
the staminate flowers long-peduncled, solitary in the axils. Stam- 
inate flowers with a 6-parted calyx, the segments obovate, 
rounded, erose ; stamens 10, the filaments united into a long col- 
umn, free above; anthers suborbicular. [In honor of Juan T. 
Roig, enthusiastic Cuban botanist.] A monotypic genus. 
Roigia comosa (Urban) Britton, comb. nov. 
Phyllanthus comosus Urban, Repertorium 13: 451. I914. 
Dry rocky soil, serpentine hills near mouth of Rio Yamani- 
guey, Oriente. Endemic. 
Conami (?) ovalifolia Britton, sp. nov. 
A glabrous undershrub, 1 m. high or less, the stem rather 
stout, the branches mostly simple, elongated, slender, compressed 
