ConchvHoloqie fluviatile : Hounan eic 



PL.LVIII, 



111 



112 



113 



110 



Arnoul litk , 



lTnp.Becquet"fr&res.Pans . 



110, 

 111. 

 112. 

 113, 



Umo paschalis , Heude. 



U VeTTUCuloSUS.Heude . 



U Vestltus-^Heude . 



u STnensis var. /S. Squammosus Sea. 



