EXPLANATION OF PLATE 7 



AH figures of Phytomorula regularis magnified 1500 diameters. 

 Fig. 1. Apical view of coeuobium. 

 Fig. 2. Apical view of same, the other apex. 

 Fig. 3. Lateral view of same. 

 Fig. 4. Cell contents. 



Fig. 5. Diagram showing superposition of cells, apical view. 

 Fig. 6. Diagram of coenobium from the oj^posite })ole, showing the smaller 

 quartet of apical cells. 



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