BRITTON : STUDIES OF West INDIAN PLANTS 9 
Rocky Cliff, Somerset, Manchester, September 23, 1908, 
Harris & Britton 10609. 
Bidens clarendonensis sp. nov. 
Perennial, glabrous, the stem and branches terete, trailing, 
somewhat woody. Leaves firm in texture, 4-7 cm. long,r hombic- 
ovate, acute at the apex, rather coarsely serrate, except at the 
broadly cuneate base, with slightly incurved gland-tipped teeth 
with revolute margins, the venation rather prominent, the petioles 
one fourth to one third as long as the blades; heads several to- 
gether, on stalks 1.5 cm. long or less; involucre nearly hemispheric, 
many-flowered, its bracts about 1 cm. long, linear, obtuse or with 
a triangular acutish tip, 1.5-2 mm. wide; ray flowers about 5, 
I.5-2 cm. long, the rays oblong, orange yellow, 2-toothed, 6-7 
mm. wide, the tube about 3 mm. long; disk flowers 6 mm. long, 
the cylindric limb acutely 5-toothed; achenes 1 cm. long, less than 
0.5 mm. thick, pappus of I or 2 subulate awns about 0.5 mm. 
long at flowering time, becoming 2 mm. long and downwardly 
barbed at maturity. 
Peckham woods, Upper Clarendon, July 7, 1911, Harris 
100987. 
19. UNDESCRIBED SPECIES FROM CUBA 
Mettenia acutifolia Britton & Wilson sp. nov. 
A slender tree, 3-8 m. high, with hirsutulous twigs and petioles. 
Leaves ovate, occasionally lanceolate, 2-6 cm. long, I-3.4 cm. 
broad, bluntly acuminate at the apex, rounded and equilateral 
or nearly so at the base, obscurely reticulate-veined and more 
or less pubescent with blackish hairs along the midrib and 
lateral veins above, hirsutulous on the midrib and lateral veins 
beneath, the margin ciliate; flowers unknown; valves of the cap- 
sule with crowded conic or subpyramidal tubercles, each tubercle 
tipped with a hair; seeds (immature) brownish black, lustrous, 4 
mm. long, 3 mm. broad. 
Camp La Gloria, south of Sierra Moa, Oriente, Cuba, Decem- 
ber 30, 1910, Shafer 8250. Distinguished from M. globosa (Sw.) 
Griseb. by its spreading pubescence and by its pointed leaves. 
Clerodendron (?) calcicola sp. nov. 
A tree, 8 m. high, the branches smooth, the bark flaky in 
narrow strips. Leaves opposite, coriaceous, ovate to ovate-elliptic, 
