ANGIOSPERMAE 
MONOCOTYLEDONEAE 
T¥ PRACEAS 
Typha [Tourn.] L. Cat-tail Flag. 
latifolia L. Common Cat-tail. 
angustifolia L. Belchertown near B.& M.R.R. station, S.C. 
Brooks. 
SPARGANIAGEA®E. 
Sparganium [Tourn.] L. Bur-reed. 
eurycarpum Engelm. = 
americanum Nutt. Bay street, Springfield, L. Andrews. 
simplex Huds. 
NAJFADACEAE 
Potamogeton [Tourn.] L. Pondweed. 
natans L. 
Oakesianus Robbins. 
epihydrus Raf. 
alpinus Balbis. 
americanus C.& S. Conn. river, etc. 
pulcher Tuckerm. South pond, Belchertown, E. Tuckerman. 
amplifolius Tuckerm. 
heterophyllus Schreb. 
heterophyllus forma graminifolius (Fries) Morong. 
lucens L. Leverett pond. E. Tuckerman. 
praelongus Wulf. . 
perfoliatus L. 
zosterifolius Schumacher. 
obtusifolius Mertens and Koch. Forge pond, Granby, E. Tucker- 
man. | 
pusillus L. 
foliosus Raf. 
hybridus Michx. 
dimorphus Raf. 
pectinatus L. Conn. river, E. Tuckerman. 
Robinsii Oakes. 
Najas L. Naiad. 
flexilis (Willd.) Rostk. & Schmidt. 

