106 FLORA OF MISSOURI. 



SELAGINELLACEJi;. 



1783. Selaginella rupestris, Spring. 



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



ISOETACE^. 



1784. Isoetes echinospora, Durien, var. Braunii, Engelm. 



Jackson, (Bush). 



1785. Engelmanui, Braun. 



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



