344 Micological Flora. 



Genus ZONOTRICHA. 



3. Z. Mollis. Wood. 

 Found attached to the rocks at Minnehaha Falls. 



Genus DASYACTIS. Ktz. 



4. D. Mollis. Wood. 

 Found in a bog north of Sandy Lake. 



Genus PALMELLA. 



5. P. Dura. Wood. 

 This is in form of little blackish balls varying in size from 



Y^ of a line to 1 inch in diameter, firm and hard, the largest 

 appearing as if they were aggregations of multitudes of 

 small ones. Found in slow moving water in the coffer-dam 

 on Nicollet Island. 



Genus PENIUM. Preb. 1848. 



6. P. Digitus, (Ehrb). Preb. 



Found in small lakes and ponds. 



(Jems VAUCHERIA. 



7. V. Velutina. Ag. 

 Found growing on mud in shallow ditches, after the sub- 

 sidence of water from a heavy shower. Sept. 





