130 Proceedings of the Ohio State Academy of Science. 



Solidago uliginosa Nutt. Of frequent occurrence in the shrub 

 and forest zones of Cranberry Island and the other bog 

 islands. 



S. patula Muhl. Sphagnum bog Island Xo. 2. 



S. canadensis L. In the Scirpus zone of Lieb's Island ; abundant 

 on Lewis and other islands and also on low, wet ground 

 along shore. 



Aster puniceus L. Of frequent occurrence in the inner margin 

 of the wooded belt of Cranberry Island; also on the Sphag- 

 num bog Island Xo. 2. 



A. puniceus var. lucidulus Gray. One specimen collected by 

 Walter Fischer on Cranberry Island. 



A. paniculatus Lam. Quite generally distributed in the thicket 

 and in the open bog on the south and southeast sides of 

 Cranberry Island. 



A. ericoides L. Ruderal zone west side of Charleston Island. 

 Erigeron canadensis L. Common at edges of fields and drier 



situations in forest zones. It has also invaded the eastern 

 border of the southern portion of the bog. 



Polymnia canadensis L. Quite abundant in forest of Rabbit 

 Island. 



Eclipta alba (L.) Hassk. Growing in the mud of a small mar- 

 ginal island north of the Cranberry bog. 



Helianthus tuberosa L. Edge of marsh, east shore of lake south 

 of Avondale. 



A'erbesina alterni folia (L.) Britt. Ruderal zone west side of 

 Charleston Island. 



Bidens cernua L. Abundant and widely distributed in the marsh 

 areas, wherever masses of exposed peat are carpeted with 

 vegetation. Occurs also on floating rotten logs and exposed 

 root masses. 



B. comosa (A. Gr.) Wiegand. Western margin of southern lobe 



of Cranberry Island. 

 B. discoidea (T. & G.) Britt. Very abundant on exposed peat 

 shelves at the margin of Cranberry Island; on floating logs 

 and also on the stalks and exposed masses of Typha and 



