.''.OS Brixton: Studies of West Indian plants 



Rondeletia pallida sp. nov. 



A tree, 10 m. high, the young foliage sparingly pubescent. 

 Leaves thin, bright green, oblong-lanceolate to elliptic, 18 cm. 

 long or less, 2-7 cm. wide, glabrous or with a few scattered hairs 

 beneath and on the slender petioles when old, sharply acuminate 

 at the apex, cuneate-narrowed at the base, the narrow midrib 

 rather prominent on both sides with 4 or 5 pairs of veins on each 

 side, the petioles 1-2 cm. long; cymes axillary; peduncles slender, 

 a little shorter than the petioles; bractlets linear-lanceolate, 

 pubescent, 2-3 mm. long; flowers in threes on the branches of 

 the cyme, all on slender glabrous pedicels 3-5 mm. long; hypan- 

 thiumhemispheric-campanulate, 1.5-2 mm. high; sepals triangular- 

 lanceolate, acuminate, nearly as long as the hypanthium ; corolla 

 white or yellowish, fading brownish, 12-15 mm. long, salverform, 

 glabrous or puberulent, the cylindric tube twice to three times as 

 long as the 5 suborbicular. rounded, spreading lobes; stamens 

 borne near the top of the corolla-tube, the filaments shorter than 

 the anthers; style about 3 mm. long, pubescent below; stigma 

 2-lobed; fruit about 6 mm. long. 



Woodlands, southeastern foothills of the John Crow Moun- 

 tains, 350 m. altitude {Britton 3992, March, 1909, type; 3940; 

 4146; Harris & Britton, 10,680, 10,724). 



Guettarda constricta sp. nov. 



A tree about 7 in. high, the twigs terete. Leaves broadly 

 ovate; blades 17 cm. long or less, about two thirds as wide as long, 

 rather firm in texture, glabrous and bright green above or puber- 

 ulent on the veins, pale green or whitish and densely puberulent 

 beneath, short-acuminate at the apex, obtuse or subtruncate and 

 sometimes strongly inequilateral at the base, with 8 or 9 pairs 

 of veins on each side of the prominent midvein; petioles stout, 

 puberulent, 6 cm. long or less; peduncles axillary, somewhat 

 angled, puberulent, as long as the petioles or longer; cymes several- 

 flowered; fruit sessile, oval, finely puberulent, 10-12 mm. long, 

 8 or 9 mm. thick, obtuse at the apex, narrowed at the unequal 

 base, distinctly constricted at the middle. 



Wooded hillside, Grove Place, Manchester (Britton 3769, 

 September, 1908). The fruit of G. argentea is globular. 



Psychotria subcordata sp. nov. 



A slender tree, 5 m. tall, the twigs and leaves glabrous. Leaves 

 lanceolate to oblong-lanceolate, thin in texture, 7-10 cm. long, 



