HoweE: PHYCOLOGICAL STUDIES 501 
FIGURE I. Scinaia latifrons M. A. Howe 
(La Paz, Vives rra), natural size. The dark spots showing near the margins 
are mostly cystocarps, but those in median parts are due to epiphytic growths. 
See also PLATE 28, which shows the type specimen"somewhat reduced. 
