April, 1908.] 



The Vegetation of Cedar Point. 



337 



Fig. 21. In fourth cove south of Laboratory, photo taken in late 

 August shows the Zizania aquatica Society beginning to appear. 



Fig. 22. Looking northwest across the northern part of Biemiller's 

 Cove and the adjoining marsh. Castalia-Xymphaea Formation at left 

 in cove. Typha latifolia and Typha angiistifolia Consocies comprise 

 most of marsh. The narrow peninsula in distance occupied by the 

 Ulmus-Acer Forest Formation Photo taken from roof of Laboratory. 



