106 FLORA OF MISSOURI. 



SEL AGIN ELL ACEiE. 



1783. Selaginella rupestris, Spring. 



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



ISOETACEiE. 



1784. Isoetes echinospora, Diirien, var. Braunii, EDgelm. 



Jackson, (Bush). 



1785. Engelmanni, Braun. 



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



