•226 



Proceedings of Indiana Academy of Science 



Hydrocharitaceae. 

 Vallisneria spiralis L. Eel grass or tape grass. No. 879. 



Fig. 1. (Left) I'ottntilla canadcn.si.-i L. var. siitijdr.r (Michx.) T. t'v: (I. Variety 

 of the Five Finger. 



Fig. 2. (Right) Poliici<ninni. ra»iOHi.isii}iun Michx. forma atUtnticuxi Robinson. 

 (/'. atlanticum Bicknell). Atlantic Coast Knotwced. 



Gramineae. 

 Andropoyoii furcatus Muhl. Forked beard-grass or big blue-stem. No. 

 846. 



