1G0 



DESMIDE3:. 



Desinidium Schwarzii Ralf., Baton Rouge, East Baton Rouge. 

 Cosmariuni pyranridatum, Breb., Baton Rouge, East Baton Rouge. 

 Cosmarium Batrytis, Borg., Baton Rouge, East Baton Rouge. 

 Closterium Ehrenbergii, Mencgh., Baton Rouge, East Baton Rouge. 

 Docidium minutum, Ralfs., Baton Rouge, East Baton Rouge. 

 Penium digitus, Breb., Baton Rouge, East Baton Rouge. 

 Xantidium Brebinsonu, Ralfs., Baton Rouge, East Baton Rouge. 



SIPHOPHTCE.E. 



Vauclieria caespitosa, Ag., Baton Rouge, East Baton Rouge. 



nematopiiyce:e. ' 

 Uiothrix nucosa, Thur., Baton Rouge, East Baton Rouge. 



MELANOSPFRMJE . 



Delesseria Seprieurii, Mont., Grand Isle, Jefferson. 



rhodospermj:. 

 Polysephonia Glnei, Bar., Grand Isle, Jefferson. 



DIATOM ACEiE. 



SWURELLE.E. 



Synedra fulgens, Grev., Sea weed, Grand Isle. 



STRIATELLILE. 



Rhabdonenia Adriaticum, K., in Sea weed, Grand Isle. 

 Grammatophora marina, Lyngb., in Sea weed, Grand Isle. 



BIDULPIIIE-E. 



Bidulphia pulclietta, Gray, in Sea weed, Grand Isle. 



COCCONEIDHE. 



Cocconeis scuttellum, E., in Sea weed, Grand Isle. 

 Cocconeis Placentula, E., in Sea weed, Grand Isle. 



ACHNASTHKE. 



Achnanthes ventricosa, E., in Sea weed, Grand Isle. 

 Achnantidium microcephalum, K., Baton Rouge, East Baton 

 Roupre. 



