REPORT OF THE STATE BOTANIST FOR I92I 3 1 



Echinochloa Walteri (Pursh) Nash 



In marshes along the shore of Lake Ontario near Woodville. 

 House 8654, September 9-1 1, 1921. 



Ranunculus longirostris Godr. 

 Common in shallow water in the inclosed bays or lagoons back 

 of the sand dunes along the east shore of Lake Ontario near Wood- 

 ville. House 8156, June 22, 1921. 



Carex Sprengelii Dewey 



On the highest parts of the wooded sand dunes, under white 

 pines, near Woodville. House 8187, June 23, 1921. 



Among the many aquatic and semiaquatic plants collected at 

 Pierrepont pond, near Woodville, on the shore of Lake Ontario dur- 

 ing 1921, the following are worthy of record : 



Panicularia borealis Nash 



" grandis (S. Wats.) Nach. 



" laxa Scrtbn. 



Zizania aquatica L. 



" palustiris L. 

 Sporobolus cryptandrus (Torr.) A. Gray v 



Homalocenchrus oryzoides (L.) Poll. 

 Phalaris arundinacea L. 

 Festuea elatior L. 



Cinna arundinacea L. . 



Scirpus fluviatilis (Torr.) A. Gray v 



" americanus Pers. 

 " validus Vahl 

 " cyperinus var. pelius Fernald 

 " Smithii A. Gray 

 Eleocharis palustris var. major Sonder 

 Carex substricta (Kuken.) Mackenzie 

 Potamogeton natans L. 



" perfoliatus L. 



" amplifolius Tuckerm. v. 



" americanus C. & S. 



" heterophyllus Schreb. 



" pusillus L. 



" diversifolius Raf. 



" filiformis Pers. 



" pectinatus L. 



Ranunculus longirostris Godr. 

 Radicula hispida (Desv.) Britton 



Triglochin maritima L. ' >• 



Sagittaria rigfda Pursh 



" variabilis Willd. 



Nymphaea advena Soland. , 



" microphylla Pers. 



" rubrodisca (Morong) Greene 



Castalia tuberosa Paine 



Juncus baltjcus L. -• 



Comarum palustre L., var. villosum Pers. 

 Philotria Nuttallii (Planch.) Rydberg 

 Myriophyllum heterophyllum Michx. 

 Peltandra virginica (L.) Raf. 

 Naias flexilis (Willd.) Rost. & Schmidt. 

 Valisneria spiralis L. 



