1900] CHLOROCYSTIS COHNII III 
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EXPLANATION OF PLATE X. 
All the figures are from ink drawings sketched in with an Abbé camera. 
In the reproduction they are reduced one fourth. Figs. and 2 are drawn 
with SPOS toc. 5. All the others with a Leitz vy (oil), oc. 3. The mag- 
eet: given are the original ones before reduction and allow for projec- 
ion, 
Chlorocystis Cohnit (Wright) Reinhardt. 
Fi6. 1. 
eneral habit showing appearance of cells in Enteromorpha 
frond. x 280, 
FIG. 2. Section through Enteromorpha showing relation of Chlorocystis 
to its host. x 285. 
ae = ace view. of single cell. ‘“One-sided” chromatophore with 
biPe. and radiate arrangement. X 830. 
x rosy 4 Surface view of single cell with chromatophore lining entire wall. 
Fy . ; py : ’ 
Pies: 5. Side view ; @, showing arrangement of radiating “ one-sided’ 
tophore; 4; 200spore which has come to rest directly over Enteromorpha 
