112 Britton : Cuban Plants New to Science 



Family RUBIACEAE 



Machaeonia minutifolia Britton & Wilson, sp. nov. 



A shrub about 2 m. high, the twigs spiniform, slender, spar- 

 ingly leafy, finely pubescent when young, soon becoming glabrous, 

 the old branches stout, light gray. Leaves elliptic or suborbicular 

 to elliptic-obovate, somewhat conduplicate, 1-2 mm. long, ciliate, 

 rounded at the apex, very nearly sessile ; flowers glabrous, sessile 

 or very nearly so in the cymes; calyx-lobes rounded, about as 

 long as the tube; corolla white, about 1.5 mm. long, its lobes 

 obtuse ; style about as long as the calyx-lobes ; stigmas 2, short. 



Palm barren, between Camaguey and Santayana (Britton 



2397)- 



Scolosanthus lucidus Britton, sp. nov. 



A shrub about 1 m. high, with slender, terete, rough-puberu- 

 lent, resinous branches. Leaves ovate-orbicular, coriaceous, 8-13 

 mm. long, shining, nearly sessile, mucronate at the apex, rounded 

 at the base, dark green with the midvein impressed above, dull 

 green with midvein somewhat elevated beneath, the lateral vena- 

 tion wholly obscure, the margin revolute ; calyx-lobes suborbicu- 

 lar, 0.8 mm. broad, minutely hispidulous ; corolla not seen ; fruit 

 (immature) subglobose, 4 mm. in diameter, greenish. 



Moa Bay, east of Rio Moa, Oriente (Shafer 8355, type) ; col- 

 lected in the same region by Roig (60), and also collected in Cuba 

 by Wright and mixed with Scolosanthus JVrightianus (2660 in 

 part) . 



Psychotria Clementis Britton, sp. nov. 



A shrub about 2 m. high, glabrous throughout. Leaves mem- 

 branous, narrowly obovate or oblanceolate, 8-16 cm. long, rather 

 strongly veined with the veins spreading-ascending, acuminate at 

 the apex, cuneate at the base, the slender petioles 1 cm. long or 

 less; stipules broadly lanceolate, acuminate, incised and ciliate, 

 united below, about 8 mm. long; fruiting panicle corymbiform, 

 about 7 cm. broad ; fruiting pedicels 5 mm. long or less ; fruit 

 oblong, 7 mm. long, about 5 mm. thick, grooved, capped by the 

 short calyx-limb. 



Sierra del Caballete, Sancti Spiritus mountains, Santa Clara 



(Leon & Clement 6522). 



Psychotria bermejalensis Britton, sp. nov. 



A shrub about 2 m. high, the slender branches glabrous. 

 Leaves elliptic, glabrous, rather thin, 5-10 cm. long, the veins dis- 



