280 DAVENPORT ACADEMY OF SCIENCES. 



1062. O. Clayto7iiana, L. 

 Hilly woods ; frequent. 



1063. O. cinnamomea, L. Cinnamon Fern. 

 Boggy places in Cedar River region ; local. 



OPHIOGLOSSACE^E. 



Botrychium, Swartz. Moonwort. 



1064. B. Virginiamtm, Swartz. 

 Rich woods ; frequent. 



LYCOPODIACEiE. 



Lycopodium, L. Club Moss. 



1065. L. lucidulum, Michx. 



Wild Cat Den and Cedar River region , rare. 



1066. L. complanatum, L. Ground Pine. 



Collected in 1892 in woods east of Wild Cat Den. 



SELAGINELLACEiE. 



Selaginella, Beauv. 



1067. S. rupestris, Spreng. 



Sandy soil near Cedar River ; local. Among clumps of 

 Opantia Rafinescjuii. 



SALVINIACE^. 



Azolla, Lam. 



1068. A. Carolinian a , Willd. 



Floating on water, Muscatine Slough. 



