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 111Q2). 



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 cm. 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 1 

 (Harris 10QQ5). 



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 



