671 
C, Tuckermani Dewey • 
I 'f'dz., ^akt^eJ^ 
iS tv' 
fnic., 
Arisaema triphyllum (L.) Schott. 
A. triph,, var, pusillum Peck =(Var. atroruhens 
fWilld.) Nutt.? 
A.^trip^., var. virens (Pursh}? (A.Stewardsonii 
^ ^'1?. 'ftf-^ I /^U.^ , Cuot.i^^t.-,\. , t^-V? 
Peltandra vlrginica (L.) Zunth. 
Calla palustris L. 
‘^HUhmkhi^ 
■i Symploca:^us fo^idus (L.) Nutt, 
I I 4 ^*£h«»v. 
I Acorusv^alamus L.y' 
At !*>!<•_ Y. W^Arn 
LEmUCEAE 
Spirodela polyrhiza (L.) Sehleid, 
Lemna trisulca L. 
