Britton: Studies of West Indian plants 509 



about 3 mm. long; young fruit narrowly obovoid, puberulent, 

 faintly ribbed, 4 mm. long, the persistent calyx-limb about 1.5 

 mm. long. 



Rocky coastal hill, Daiquiri, Oriente {Britton & Cowell 12685). 

 Named in memory of the late Jennings S. Cox, who, as manager 

 of the Spanish American Iron Company, greatly facilitated 

 scientific investigation in eastern Cuba. 



3. Guettarda cueroensis sp. nov. 



A tree 5 m. high, with slender branches, the young twigs 

 appressed-pubescent. Stipules ovate, acute, pubescent, 2-3 mm. 

 long; leaves clustered at the ends of short spurs, oblong to oblong- 

 lanceolate, 3 cm. long or less, 6-12 mm. wide, coriaceous, acute 

 and spinulose-tipped at the apex, obtuse or subtruncate at the 

 base, loosely reticulate-veined on both sides, glabrous and 

 shining above, puberulent beneath, the finely pubescent petiole 

 1.5-2 mm. long; flowers solitary in the axils; peduncles pubescent, 

 stout, 2 mm. long or less; calyx subspathaceous, densely pubescent, 

 about 3 mm. long; corolla whitish, densely pubescent, about 8 

 mm. long, the slender tube about 3 times as long as the limb; 

 fruit subglobose, or globose-obovoid, densely puberulent, 8-10 

 mm. in diameter. 



Hill, 150 m. alt., El Cuero, Oriente {Britton & Cowell 12733). 



4. Guettarda rigida A. Rich, in Sagra, Hist. Cub. 11 : 20. 1850 

 G. holocarpa Wright; Sauvalle, Anales Acad. Habana 6: 123. 



1869. 



Type locality : Cuba. 



Distribution: Thickets and hillsides, near Regla and Guana- 

 bacoa, Havana. Endemic. 



I have not seen an authentic specimen of G. rigida, and am 

 referring G. holocarpa to it from the description. It is the only 

 small-leaved species with silky pubescence on the under side of 

 the leaf known to me from Cuba. 



5. Guettarda camagueyensis sp. nov. 



A shrub, 1 m. high, with terete, widely spreading branches, 

 the young twigs brownish-pubescent with appressed hairs. Stip- 

 ules pubescent, ovate, sharply acute, 3-4 mm. long; leaves ovate, 

 rigid, coriaceous, 1.5-2.5 cm. long, 10-18 mm. wide, rounded and 

 obtuse at the apex, cordate or subcordate at the base, ciliate, at 



