80 Britton : Cuban Plants New to Science 



sionally acutish and mucronulate at the apex, rounded at the base, 

 entire, glabrous, reticulate-veined and tuberculate above, spar- 

 ingly puberulent and conspicuously black-dotted beneath ; petioles 

 6-8 mm. long; flower-clusters axillary, on peduncles about i cm. 

 long; flowers immature; sepals triangular-ovate, acute, glandular- 

 dotted ; petals orbicular-obovate ; filaments subulate, glabrous ; 

 anthers ovate ; ovary ovoid, compressed, glabrous, glandular- 

 dotted. 



In woods, Banao Mountains, Santa Clara {Leon & Roca 

 8052). 



Family VITACEAE 



Cissus Torreana Britton & Wilson, sp. nov. 



A vine several meters long, with loosely hirsute, winged 

 branches; leaves 3-foliolate; petioles 8-10 cm. long, winged; 

 leaflets membranaceous, elliptic-ovate to obliquely ovate, 8-1 1 

 cm. long, 5-7 cm. broad, acuminate at the apex, obliquely rounded 

 or acutish at the base, puberulent above, loosely hirsute on the 

 veins beneath, the margin serrulate; petiolules about 1.5 cm. long, 

 hirsute ; flowers and fruit not seen. 



Type from Sierra del Grillo, Madruga, Havana {Leon & 

 de la Torre 6345). 



Family MALVACEAE 



Malache calcicola Britton, sp. nov. 



A shrub, 2 m. high, the twigs, petioles and leaf-surfaces 

 densely puberulent and bearing scattered, large stellate hairs. 

 Leaves ovate-orbicular, 1-3 cm. long, irregularly dentate and 

 mostly 3-lobed, acute or acuminate at the apex, cordate at the 

 base, green above, nearly white beneath ; the petioles shorter than 

 the blades ; flowers solitary, slender-peduncled, the peduncles 

 jointed somewhat below the calyx; bractlets 5, linear, puberulent, 

 appressed, a little shorter than the calyx; calyx puberulent and 

 stellate-pubescent 5-lobed, 6-7 mm. long, its lobes ovate, acute ; 

 petals red, strongly veined, about twice as long as the calyx; 

 stamen-column about twice as long as the petals ; style-branches 

 10, slender, 2 cm. long; carpels 5, dry coriaceous, irregularly 

 rugose-crested on the sides, sharply and narrowly winged on the 

 back, short-beaked, 6 mm. long, i-seeded, dehiscent; seed ob- 

 liquely ovoid, brown, shining, smooth, 3 mm. long. 



Base of cliff, Rio San Juan, Santa Clara {Britton, Earle & 

 Wilson 5905.) 



