An Ecological Study of Buckeye Lake. 121 



Crataegus sp. One tree in wood north of Cranberry Island. 

 Prunus americana Marsh. East embankment of Southwest Feeder 



where it is abundant over a small area. 

 P. serotina Ehrh. Formerly one of the large and quite abundant 



forest trees in the vicinity of the lake. A fair number still 



remains. It has also invaded the Cranberry bog, on which in 



the forest of the east side is one young tree. 

 Amygdalus persica L. An occasional tree planted near cottages. 



Leguminosae. 



Gleditsia triacanthos L. Common along the levee and shores of 

 the lake and the larger islands. 



Meibomia viridi.flora (L.) Kuntze. Forest, Orchard Island. 



Lathyrus palustris var. linearifolius Ser. Sparingly at margins of 

 pools in eastern and southeastern portions of Cranberry 

 Islands. 



Apios apios (L.) ]\Iac]\I. Quite abundant in the thicket, Cran- 

 berry Island. 



Oxalidaceae. 



Oxalis cymosa Small. Common in woods of shores and islands. 



O. stricta L. Quite as common and generally distributed as O. 

 cymosa, more common in drier situations. 



Euphorbiaceae. 



Euphorbia corollata L. Dry ground at edge of marsh west of the 

 Baltimore and Ohio rail road tracks, south of Avondale. 



Anacardiaceae. 



Rhus glabra L. On Orchard, State Journal, Lewis and Lieb's 

 islands and along the embankment of southwest feeder of 

 the canal. 



R. vernix L. The most abundant and widely distributed shrub 

 on Cranberry and several smaller islands to the east. It 

 finds optimum conditions in the wooded zone but numerous 

 stunted, half dead shrubs are scattered thru the bog- meadow 

 of Cranberry Island. 



