An Ecological Study of Buckeye Lake. 105 



Jungermanniaceae. 



Cephalozia connivena (Dicks.) Lindb. Occurs on the ground 

 over small areas in the drier parts of the forest association, 

 Cranberry Island. 



C. lunulaefolia Dumort. This species grows in dense masses 

 over small areas in the drier portions of the forest associa- 

 tion, Cranberry Island. 



Spliagncae 

 Sphagnaceae. 



Sphagnum Cymbifolium Ehrh. The most abundant species of 

 Sphagnum of the bog-meadow, thicket and forest on Cran- 

 berry Island. Also the two smaller islands towards the 

 northeast on which sphagnum occurs. 



S. parvifolium (Sendt.) Warnst. Thicket where water level is 

 high, east side of Cranberry Island. 



S. acutifolium var. versicolor. Covers quite large areas in the 

 western portion of the bog-meadow and is invading the 

 heath zone, Cranberry Island. 



S. recurvum Beauv. Bog-meadow, northern portion. Cranberry 

 Island. 



S. recurvum var. amblyphyllum. Thicket southeast side of Cran- 

 berry Island. 



Afiisci 



Dicranaceae. 



Dicranum flagellare Hedw. Bog-meadow in patches of diseased 

 sphagnum, Cranberry Island. 



Pottiaceae. 



Pottia truncatulata (L.) Lindb. On the ground in ruderale zone 

 north side of Lieb's Island ; on base of tree. Rabbit Island. 



