139 
contained meee ants, almost too small to be seen with the 
naked eye, to cover me from head to foot within an hour. For- 
ee re stings were too mild to cause more than an itching 
sensation. 
mong the Cecropias, and back of them, will always be seen 
ti 
along the river bank: in th S ere, too, is a vas 
flora of sedges, Cyperus being the most abundant genus. There 
are also grasses or es of enormous siz i w up fro 
the bottoms of streams and small lake cove ae ie 
with such a dense and t g 
o with the ane ‘testy that a canoe can . es 
ugh or over them. As a matter of fact, I have traveled by 
oe iss trom. a heavily grass- “covered prairie or 
“savannah” until I was walkir wholly 
of a dense one of plants of ae same land, floating over deep 
water, and where, at length, I found my feet sinking to such 
a dangerous extent that I was obliged to return. 
The finest eubDer trees (Hevea) grow thickly upon the plains 
about Pp 
psi ce ae more cieaaly than it can be supplied by the 
