ANGIOSPERMAE 



MONOCOTYLEDONEAE 



TYPHACEAE 



Typha [Tourn.] L. Cat-tail Flag. 

 latifolia L. Common Cat-tail. 



angustifolia L. Belchertown near B. & M. R. R. station, S. C. 

 Brooks. 



SPARGANIACEAE 



Sparganium [Tourn.] L. Bur-reed. 

 eurycarpum Engelm. 



americanum Nutt. Bay street, Springfield, L. Andrews- 

 sitnplex Huds. 



NAJADACEAE 



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. 



heterophyVus Schreb. 



heterophyllus forma graminifolius (Fries) Morong. 



lucens L. Leverett pond. E. Tuckerman, 



praelongus Wulf. 



perfoliatus L. 



zosterifolius Schumacher. 



obtusifohus 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. 



flexihs (Willd.) Rostk. & Schmidt. 



