OBSERVATIONS ON TROPICAL AMERICAN AND OTHER LICHENS. I. 
CARROLL W, DODGE 
M zgfil agjgt and Professor in the Henry Shaw School of Botany £f 
Washington University 
In connection with my lichen flora of Costa Riea 1 
Dodge, C.W. The foliose and fruticose lichens of Costa Rica [I], 
Ann, Mo, Bot.Gard. 
Peltigeraeeae. Ibid. 
1 map, 193 ; Il.Stictaceae and 
, 1939, 
I have studied many specimens from other parts of the world, mostly 
the American tropics. To discuss them adequately in that work would 
increase its size without greatly increasing its usefulness to the 
uosta Rican student; therefore it is proposed to include such ohser- 
, . . . . . 
Vdtions m uhis series, rather than holding them ^in manuscript until 
sufficient have accumulated to justify a monogra,ph of a family 
a flora of a region. 
or 
