ECOLOGICAL RELATIONS OF THE FLORA. 



Fraxinus americana 

 Cornus circinata. 

 Apocynum cannabinum. 

 Sc uteUaria ga leric ulata. 

 Scutellaria lateriflora. 

 Lycopus americanus. 

 Galium trifidiwi. 



Quadrats (Ground Stratum). 

 Lower layer plants about six inches to one foot tall. 



45 



A typical c^uadrat contained about 86 plants on 70 per cent of the 

 area, giving each plants assuming even spacing, about 80 sq. cm. 

 Since all of the plants were small, the vegetation was very thin. 



Psammophytes — Beach Formation. 



The lower beach was in general without vegetation. The middle 

 beach was an area of varying width, depending on the age of the Point. 

 At the older portions it was narrow or vertical, the waves having cut 

 into the outer sand dune forming a cliff of sand, while at the west end 

 of the Point the middle beach was about thirty feet wide and about 

 eighteen inches above the summer level of the lake. ^ (Plate I a.) 

 The sand was medium fine, well packed, and was wet two. inches below 

 the surface. A^egetation was sparse and there were no definite clumps 

 of plants, the distribution seeming to be due to the chance lodgment 

 of seeds. The following species were noted and are recorded in order 

 of observed frequency. 



