294 College of Forestry 
Famity Lemnaces. 
Sprrodela polyrhiza (LL). Sehleid. Greater Duck Weed. 
,Observed only at station XX XI. 
Famity PonTeperIace®, 
Pontederia cordata L. Pickerel-weed. 
Stations II, IIT, V, VI,- 1X, X, XTX, XX eee 
XXXiI. 
Famity [rtpace®. © 
Tris versicolor L. Larger Blue Flag. 
Stations XXX, XX XVIII. 
DICOTYLEDON 2. 
FaMILy SALICACER. 
Salix nigra falcata (Pursh) Torr. Black Willow. 
Stations III, XIX, XXI. 
Famity CrraToPHYLLACE®. 
Ceratophyllum demersum L. WHornwort. 
Stations 1, IT, Vi, X, XXIV, XXXV, XX XpxXeee 
Famity NymMpHacrem, 
Nymphea advena Ait. Cow Lily. 
Stations 11; "TET, “Viy Vil; xX, XXIV, XXX xe 
Nymphea americana (Prov.) M. & S. has been reported 
from Fish Creek at the eastern end of Oneida Lake, but none 
were observed in the western end ( Miller and Standley, 1912, 
Boaioas 
Castalia odorata (Ait.). Woodville and Wood, Sweet- 
scented Water Lily. Stations II, III, VI, X, XXIV, XXXI, 
XXXV. Castalia tuberosa (Paine) Green, should also be 
found in the lake. 
