92 Britton: Cuban Plants New to Science 



shining, ovate to elliptic, 1-2.5 cm. long, acute or acuminate at 

 the apex, mostly narrowed at the base, 3-nerved, the lateral veins 

 arising just above the base, the secondary venation indistinct, 

 glabrous on both sides when old, except for a tuft of short hairs 

 in the axils of the lateral veins ; flowers 5-parted, solitary or 2 

 together at the end of a peduncle, I-1.-5 cm. long; pedicels fili- 

 form, 5-10 mm. long; calyx-tube terete, subcampanulate, 5 mm. 

 long, its 5 subulate teeth 2-2.5 mm. long ; anthers a little shorter 

 than the filaments; petals white, obovate, obtuse, 7-8 mm. long; 

 fruit black, subglobose, about 6 mm. in diameter. 



Rocks, vicinity of Sumidero, Pinar del Rio. Type from 

 Sierra Caliente (Shafcr 13770). 



Pachyanthus Clementis P. Wilson, sp. nov. 



A shrub with densely ferruginous twigs and branches. 

 Leaves ovate-lanceolate, 9-12 cm. long, 3.5-4.5 cm. broad, gla- 

 brous or nearly so above, pubescent beneath with stellate hairs, 

 cordate at the base, acuminate at the apex, coriaceous, petioled, 

 3-5-nerved, the veins and lateral nerves prominent beneath, 

 slightly impressed above ; inflorescence peduncled ; calyx urn- 

 shaped, 7-8 mm. long, 4-5 mm. broad, densely pubescent with 

 rather long shaggy hairs, the lobes long-acuminate. 



Loma Los Helechales, Banao Mountains, Santa Clara (Leon 

 & Clement 5399) 



Pachyanthus mantuensis Britton & Wilson, sp. nov. 



A shrub 1 m. high or less, the branches, twigs and calyx 

 densely scurfy with brownish stellate scales. Leaves 4-8 cm. 

 long, 2-3.6 cm. broad, elliptic to elliptic-ovate, obtuse at the apex, 

 rounded and subcordate at the base, yellowish green, punctate 

 and glabrous or nearly so above, slightly paler and scurfy espe- 

 cially on the veins beneath, coriaceous; pedicels 1 1.5 cm. long; 

 calyx urn-shaped, the lobes with a short keel on the back near the 

 apex; petals ovate-oval to oval, 12 mm. long, 7-8 mm. broad, 

 rounded at the apex, puberulent. 



Dry prairie land, between Guane and Mantua, Pinar del Rio 

 (Shafer 11229) 



Ossaea Shaferi Britton & Wilson, sp. nov. 



A shrub 1-2 m. high, with densely hirsute twigs, leaves and 

 inflorescence. Leaves ovate to ovate-lanceolate, 4-9 cm. long, 

 5-nerved, acute or acuminate at the apex, rounded or obtuse at 

 the base, the upper surface densely and finely tuberculate, each 



