106 FLOKA OF MISSOURI. 



SELAGINELLACEiE. 



1783. Selaginella rupestris, Spring. 



Adair, (Broadhead), Jefferson and St. Louis, (Lettermau). 



ISOETACEiE. 



1784. I'soetes echinospora, Durien, var. Braunii, Engelm. 



Jackson, (Bush). 



1785. Engelmanni, Braun. 



"Missouri," (Gray's Manual, 5th Ed.) 



