72 Britton : Cuban Plants New to Science 



In dry rocky places, La Guira, north of Sumidero, Pinar del 

 Rio {Shafer 137 51). 



Family MALPIGHIACEAE 



Bunchosia Leonis Britton & Wilson, sp. nov. 



Shrub 1 m. tall, with grayish-brown twigs. Leaves obovate, 

 1-3.2 cm. long, rounded and emarginate at the apex, cuneate at 

 the base, coriaceous, lustrous above, dull beneath, glabrous in 

 age, short-petioled ; flowering pedicels pubescent ; corolla about 

 1-1.3 cm. broad; sepals ovate, 2.5 mm. long, ciliate, the glands 

 one-half the length of the sepal body ; larger petals 5-5.5 mm. 

 long, the blades suborbicular, toothed; ovary and style glabrous; 

 drupes 1.6-2 cm. long. 



Type collected in coastal thicket, Playa del Chivo, Havana 

 {Leon 7214). 



Family EUPHORBIACEAE 



Andrachne ( ?) cuneifolia Britton, sp. nov. 



A glabrous shrub 1-2 m. high, with slender elongated leafy 

 branches. Leaves obovate, cuneate, 5-12 mm. long, rounded at 

 the apex, delicately pinnately veined, dark green and shining 

 above, pale green and dull beneath, the petiole about 1 mm. long; 

 stipules minute; fruiting pedicels about 14 mm. long, the six per- 

 sistent oblong sepals about 1 mm. long. 



Punta Maisi, Oriente : southern and southwestern Porto Rico. 

 Type from a dry hillside, Coamo Springs, Porto Rico {Under- 

 wood & Griggs 545) . 



RAMSDENIA Britton, gen. nov. 



Monoecious shrubs, with flattened branches, distichous, emar- 

 ginate, orbicular or obovate leaves, or those of primary branches 

 reduced to scales, the apetalous flowers solitary or 2 together in 

 the axils, the pistillate few. Sepals 5, coriaceous. Stamens 5. 

 the filaments connate, the anthers extrorse. Styles several-cleft. 

 [In honor of Charles T. Ramsden, distinguished Cuban zoologist.] 



Type species : PJiyllantlius excisns Urban. 



Ramsdenia excisa (Urban) Britton, comb. nov. 



Phyllanthus excisus Urban, Repertorium 13: 449. 1914. 



