Studies of West Indian plants XII 



Nathaniel Lord Britton 



68. UNDESCRI BED SPECIES FROM CUBA 



Cyperus naguensis Britton, sp. now 



Culms short, about 8 dm. high, trigonous, smooth. Basal 

 leaves rough-margined, strongly veined, 5- <S mm. wide, shorter 

 than the culm, the apex attenuate, those of the involucre several, 

 similar to the basal ones but shorter; umbel 8-10-rayed, the 

 rays slender, the longer ones 6-10 cm. long; spikelets straw- 

 colored, compressed, about 8- flowered, deciduous, 10-12 mm. 

 long, very numerous in dense oval or subglobose, simple or com- 

 pound spikes 2-3 cm. long; scales oblong-lanceolate, acute, 

 striate, slightly spreading, 3 mm. long; achene linear, 1.5 m. 

 long, about 3 times as long as thick, sharply pointed, narrowed 

 at base. 



Moist place between San Felipe and Nagua, Oriente (Ek- 

 man 14720). Similar to ('. stenolepis Torr., but with shorter 

 scales and achenes. 



Reynosia camagueyensis Britton, sp. nov. 



Twigs slender, leafy. Leaves oblong-obovate, coriaceous, 

 entire, 12-17 mm. long, glabrous, very finely reticulate-veined, 

 the midvein impressed above and prominent beneath, the base 

 narrowed but obtuse, the apex obtuse, rounded or emarginate, 



tipped with a nearly straight awn about 0.7 mm. long, the pet- 

 ioles about 1 mm. long; fruit globose, rounded, 12-14111111. in 

 diameter, its peduncle about 5 mm. long. 



Hills, Camaguey (Padre Borrds', 1918). Resembles R. 

 latijolia Griseb., which has strongly reticulate leaves and ellip- 

 soid pointed fruits. 



