TI iking fea is the abund f the black super- 
ficial Seas the Perisporiaes, particularly Meliola, Perisporium,’ 
ti cc ‘ofusion in 
crust 
e crustose lichens are very abundant and of numerous 
genera and species, though they appear to be of little economic 
significance. Many of these have already been placed with 
specialists for determination. 
True parasitic algae abound in most sections ay the island, 
a. 
t es 
many instances Xe) ey resemble tung i ee Ge eke power 
certain. 
The downy mildews are also vey poorly represented. Th 
powdery mildew few and most careful search 
failed to reveal petithecial material of pace of the species that 
were found, which n most cases impossible. 
One striking feature of the fungous foes is the abundance of 
superparasites, one parasite growing upon another often to the 
second- thi rd de: eer ee. Thus it is not at all uncommon to find 
ve or of leaf surface. 
pilnipetect. i are numerous, the Moniliales i in particu- 
Iti 
y collections we ade from representative areas 
whole island Rico and of Mon heo Islands, 
on can be said to have been exhaustively or eve! 
thoroughly collect t regions of original growth pre- 
sente t collecting grounds, such regions as Monte Ale- 
grillo, El Alt ra, etc., with their typical Palma de 
Sierra forests. r es or waterways in any sec of the 
n 
= not found elsewhere. The dry regions, though poor in 
ecies, owing to their special phanerogamic flora gave many 
ae species. 
