114 Proceedings of the Ohio State Academy of Science. 



Pontederiaceae. 



Pontederia cordata L. In shallow water north of Cranberry 



Island and in southern portion of lake. 

 Heteranthera dubia (Jacq.) ]\IacM. In shallow water and on 



mud flats at margin of Orchard and State Journal Islands 



and north of Cranberry Island. 



Juncaceae. 



Juncus effusus L. Bog-meadow, occupying areas of high water 



level as in paths, Cranberry Island. Central portion of Lewis 



Island. 

 J. tenuis W'illd. Common in grassy places on islands and the 



shore. 

 J. brachycephalus(Engelm.) Buch. In a wet depression in the 



southwestern portion of the Bog-meadow, Cranberry Island. 

 J. canadensis J. Gay. Associated with Carex liniosa in a small 



pool of the bog-meadow. Cranberry Island. 



Liliaceae. 



Allium tricoccum Ait. Woods, Lewis and Rabbit Islands. 



A. canadense L. Abundant at the edge of the wooded zone on 



north side of Lieb's Island along south shore of lake. 

 Erythronium americanum Ker. Very abundant in the rich woods 



north shore of Crane's pond. 

 E. albidum Nutt. Associated with but less abundant than E. 



americanum 

 A'agnera racemosa (L.) Morong. Common in woods at margin 



of lake, and on islands. 

 Salomonia biflora (Walt.) Britt. Wooded margins of the lake. 

 S. commutata (R. & S.) Britt. Shrub zone along eastern margin 



of lake. 

 Smilax rotundifolia L. Woods, Rabbit Island. 

 S. hispida Muhl. Woods, Rabbit Island and east shore of lake. 



