BRITTON: STUDIES OF WEsT INDIAN PLANTS 465 
14192). Type sheet in the herbarium of the Field Columbian 
Museum. 
Chamaesyce Jenningsii Millspaugh, sp. nov. 
_ Prostrate, spreading from a low rootstock; stems many, di- 
varicately branching, internodes about 1.5-3 cm.; branches 2 to 
many at each swollen node, wiry, divergently forking; leaves 
oval to ovate, 5X3-8X4 mm., glabrous above, finely long silvery- 
pubescent beneath, obliquely cordate, blunt, shallowly but sharply 
serrate throughout the margins. Inflorescence solitary in the 
terminal forks and axils; involucres long-turbinate, glabrous with- 
out, hairy within; pedicels about twice the length of the tube; 
lobes triangular; sulcus large, deep, triangular, the fundus un- 
occupied; glands nearly circular, flattened to the walls of the in- 
volucre; appendages none, or rarely merely a marginal line of the 
same color and texture as the glands; bracteoles as many as the 
stamens, ligulate, transparent. Capsule glabrous, ovoid; carpels 
strongly keeled; seeds ovate-quadrangular, 1.2X1 mm., angles 
sharp, facets sharply and anastomosely transverse ridged including 
deep, quadrangular pits. 
Vivijagua (O. E. Jennings 621); type in the herbarium of the 
Carnegie Museum, Pittsburgh, Pennsylvania. Also in coastal 
sands at the same place (Britton & Wilson 14690). 
Tapura obovata Britton & Wilson, sp. nov. 
A tree 10 m. tall; young twigs and petioles minutely strigillose; 
leaves obovate, 3.5-7 cm. long, 1.5-4.4 cm. broad, rounded at the 
apex, cuneate to rounded-cuneate at the base, dull above, lustrous 
beneath and reticulate-veined, glabrous, short-petioled; flowers 
short-pedicelled; calyx-lobes 5, ciliate, sparingly appressed-pilose 
on the outside, the two outer lobes smaller than the three inner 
ones, broadly oblong-elliptic to oval, 2.5-3-2 mm. long, 2—2.2 mm. 
broad, the three inner lobes oval to suborbicular, 3.4-3.8 mm. long, 
3-3.3 mm. broad; corolla-lobes 5, unequal, the three smaller lobes 
‘spatulate-obovate, 4-4.6 mm. long, 1.2 mm. broad, the two larger 
lobes spatulate, 4.6-5 mm. long, 2.2-2.5 mm. broad; filaments 
lanceolate-oblong to oblong; ovary pilose; style filiform, pilose, 
3-lobed. 
Savanna, Vivijagua (Britton & Wilson 15607, type); coastal 
plain, San Juan (Britton & Wilson 15524). 
Calyptranthes pinetorum Britton & Wilson, sp. nov. 
A depressed, glabrous, much-branched shrub 6 dm. high or less, 
3-10 dm. broad, the twigs stout, gray, terete or nearly so. Leaves 
