Pterostemma frigidum (Dodson & Dressler 
Garay comb. nov. 
Basionym: Cypholoron frigida Dodson & Dressler in 
Phytologia 24: 285, 1972. 
The characters of the recently published Cypholoron 
are entirely those of Pterostemma, hence the above trans- 
fer 1S necessary. 
f 804 | 
