16 BRITTON: STUDIES OF WEST INDIAN PLANTS 
31. UNDESCRIBED SPECIES OF JAMAICA 
Lasiocroton Harrisii sp. nov. 
A tree, about 8 m. high, the stout twigs densely brown-tomen- 
tose when young, bearing prominent leaf-scars. Leaves oblong- 
elliptic, rather firm in texture, 8-15 cm. long, 7 cm. wide or less, 
sharply acuminate at the apex, narrowed at the base, sparingly 
pubescent above, densely pubescent beneath, yellowish-green, 
somewhat paler beneath than above, pinnately veined, with about 
5 veins on each side of the midvein, the margin entire or slightly 
undulate, the stout, tomentose petioles 10-16 mm. long; fruiting 
racemes slender, tomentose, equalling the leaves or longer, the 
slender tomentose pedicels 10-15 mm. long; fruiting calyx tomen- 
tose, 4 mm. broad, the sepals ovate, acute; capsule obtusely 
3-lobed, 7 mm. broad, 3-4 mm. high, densely brown-tomentose; 
styles 2 mm. long; stigmas fimbriate; seeds subglobose, 2.5 mm. 
in diameter. 
Peckham woods, Upper Clarendon, Jamaica, September 9, 
1912 (Harris 11192). 
L. Fawcettii Urban, of Dolphin Head Mountain, Jamaica, 
differs in having nearly glabrous long-petioled leaves. 
Varronia clarendonensis sp. nov. 
A slender shrub with weak straggling branches, the twigs 
loosely pilose. Leaves broadly ovate-elliptic, 5-10 long, 
3-7 cm. wide, firm-chartaceous in texture, rather strongly pin- 
nately veined, coarsely and sharply dentate, obtuse at the apex, 
obtuse or subtruncate at the base, loosely pilose beneath, scabrous- 
pubescent and papillose above, the loosely villous petioles 1.5 
cm. long or less; peduncles slender, pilose, 5-8 cm. long; heads 
globose, densely many-flowered, 2 cm. in diameter; calyx brown- 
pilose above, its tube about 4 mm. long, its lobes triangular-ovate 
with linear, pilose, curled tips 5-6 mm. long; corolla about 9 mm. 
long, its lobes short and broad; stamens about equalling the 
corolla; filaments filiform; anthers oblong. 
Peckham woods, Upper Clarendon, Jamaica, July 7, 191! 
(Harris 10995). 
fe} 
=| 
Jacobinia (?) jamaicensis sp. nov. 
Stem stout, 3-6 dm. high, densely long-villous. Leaves 
lanceolate to ovate-lanceolate, 6-10 cm. long, 1.5-3 cm. wide, 
rather firm in texture, densely villous-pubescent on both sides, 
acuminate at the apex, narrowed to an obtuse base, with villous 
