16G 
ROCELLA DC. 
fuciformia Ach. 
do. var. gracilenta. 
phycopsis Ach. 
SPHfERO PIIOROX Pers. 
compress urn Ach. 
STEREOCAULON Schreb. 
# pulchellum "Wedd. 
STICTA Schreb. 
damcecornis Ach. 
do. var. macrophvlla Nyl. 
STICTINA Nyl. 
fragillima Nyl. 
rigidula Nyl. 
THELOTREMA Ach. 
* affine "Wedd. 
Bahianum Ach. 
cavatum Ach. 
olivaceum Nit. 
TRTPETHELIUM Spreng. 
Sprengelil Ach. 
USNEA Hffm. 
barbata var. articulata Ach. 
do. ceratina Schoer. 
do. hirta Er. 
YERRUCARIA Pers. 
denudata Nyl. 
gemmata Ach. 
marginata Hook, 
niticla Schred. 
A. D.vbtjty, 
