142 
Utuado, which evidently has a very great nae rainfall, 
even if it is a little less than at Maricao, showed itself a very 
excellent locality for algae. Especially along ie river, along 
e road Areci 
tl o Arecibo, there was an extraordinary abundance 
d numerous Myxophyceae on the dirt or rock- 
declivities along where one could see large flat rocks 
rphyrosiphon, or browti from Seyi herever 
the water ri d er the cliffs these were blotched by 
green masses of slime which contained several species of algae 
longing to th 1 ng genera o x eae: A phano- 
in: follow’ yxophy 
thece, Gloeocapsa, Gloeothece, and Chlorecoccus; and of Chloro- 
ae: Oocystis, Coccomyxa, Stichococcus, and Ulothrix (flac- 
cida); and Desmidiaceae. 
In the numerous small pools along the river, , which evidently 
numerous species of Characeae also were foun 
A somewhat similar but less rich alga-vegetation was found on 
the journey between Utuado and Adjuntas on the tenth of 
March. ; 
Between Adjuntas and Ponce, algae were collected at several 
i especially at Corral Viejo, about 12 km. north of Ponce. 
A bro 
makes a little waterfall here and on the rocks were found . 
some = the i eaagiyemiaes angle of the erup- 
tive rocks, such as A phanothece, Sen , Phormidium, an 
Calothrix. In a reservoir of ce at pe ame place was found 
a large quantity of Lene ora 
The nearer environme: Ponce may be called poor in 
algae. There were cultivated sugar fields nearly everywhere 
a ere was very little chance for aerophilous algae to find a 
nd 
ts of ne Ongoi 
unbe rsees and Desmidiaceae were found in one plac 
% 
