144 MINNESOTA BOTANICAL STUDIES. 



28. Radula complanata (L.) DUMORT. 



Gunflint trail (56, H) ; Grand Portage island and Old Iron 

 trail (H). 



29. Porella platyphylla (L.) LINDB. 

 Old Iron trail (H). 



30. Porella rivularis (NEES) TREVIS.* 

 Stair portage (42). 



31. Frullania Eboracensis GOTTSCHE. 



Grand Marais and vicinity (30, 245, H) ; portage between 

 North and South Lakes (139, 141, 144); Stair portage (191); 

 Poplar creek (113); Gunflint lake (38 ##)', Grand Portage 

 sland, Old Iron trail and Little Devil's Track trail (H). 



32. Frullania Oakesiana AUST.* 



Gunflint lake (38 p.p.); Little Devil's Track trail (H). The 

 discovery of this species in Minnesota makes a very inter- 

 esting extension of its known range. It had previously been 

 reported from New England and Nova Scotia only and was 

 supposed to have a rather restricted geographical distribution. 



YALE UNIVERSITY. 



