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Preissia quadrata (Scop.) Nees. Frequent in wet open situations, on 

 earth banks and logs. Carp Creek; Mackinac Island. 



Metzgeriaceae 



Pallavicinia Flotowiana (Nees) Lindb.* Locally abundant on wet sandy 

 lakeshore at North Fishtail. 



Pallavicinia Lyellii (Hook.) S. F. Gray. Locally abundant on wet sandy 

 shores at Vincent Lake. 



Pellia etiphylla (L.) Corda. Sandy roadside in swampy woods; rare in 

 Reese's Bog 



Pellia Fabroniana Raddi.* Shaded, overhanging stream banks and lake 

 shores; frequent. North Fishtail; Big Stone Bay. 



Pellia Neesiana (Gottsche)Limpr. Locally abundant along wet muddy 

 shores of Maple River, west of Pellston. 



Riccardia latifrons Lindb. On rotten logs; common in wet woods. 



Riccardia multifida (L.) S. F. Gray. Swampy woods along Carp Creek; 

 locally abundant. 



Riccardia pinguis (L.) S. F. Gray. Floating in Smith's Bog; rare. 



Jungermanniaceae 



Bazzania trilobata (L.) S. F. Gray.* On ground, logs and stumps; com- 

 mon in moist woods. 



Blepharostoma trichophyllum (L.) Dumort. On logs and ground in 

 swampy woods; Reese's Bog. 



Calypogeia Neesiana (Massal. & Carest.) C. Mull.* On logs, stumps 

 and ground in moist woods; occasional. Reese's Bog; Mackinac Island. 



Calypogeia paludosa Warnst.* On wet ground in an open bog; Mud Lake. 



Calypogeia Trichomanis (L.) Corda. On shaded banks and earth in 

 woods; frequent. Carp Creek; Colonial Point. 



Cephalozia catenulata (Hiiben.) Spruce.* On a rotten log in moist 

 woods; Gorge. 



Cephalozia connivens (Dicks.) Lindb.* On wet ground in Bryant's Bog. 



Cephalozia curvifolia (Dicks.) Dumort. On logs; common in moist 

 woods. 



Cephalozia fluitans (Nees) Spruce.* On wet ground or floating; frequent 

 in open bogs. Mud Lake; Bryant's Bog. 



Cephalozia media Lindb. On logs and banks; frequent in moist woods. 

 Reese's Bog; Vincent Lake. 



Cephalozia pleniceps (Aust.) Lindb.* On logs in wet woods; occasional. 

 Reese's Bog; Carp Creek. 



Cephaloziella hampeana (Nees) Schiffn. On moist earth in wood road 

 near North Fishtail. 



Cephaloziella Sullivantii (Aust.) Evans.* Moist sandy bank in woods 

 near Smith's Bog. 



