137 



Class II. ENDOGEN^. 

 Order 91. Arace^e. 



399. ARIS.EMA, Martius. 

 S99. A. triphyllum, Torr. 



900. A. Dracontium, Schott. 



Rare. Scajauquady's Cr., east of Main street, Buffalo; Sulphur 

 Spring, W. Seneca, Erie Co., Clinton; Portage, Liv. Co., 

 Clinton ; Salamanca, Catt. Co. 



400. PELTANDRA, Raf. 



901. P. Virginica, Raf. 



Rather rare. Southeastern portion of Buffalo, along the lake 

 shore; Niagara Falls, Clinton ; Caledonia, Liv. Co., Clinton; 

 Jamestown, Chat. Co. 



401. CALLA, L. 



902. C. palustris, L. 



Rather rare. Near Pine Hill, Cheektowaga, Erie Co. ; Port Col- 

 borne, Out.; Hanover, Chat. Co.; near Dayton, Catt. Co., 

 and elsewhere. 



402. SYMPLOCARPUS, Salisb. 



903. S. fcetidus, Salisb. 



Formerly abundant in a ravine west of Delaware and south of 

 Virginia street, Buffalo. The station now built over. Tona- 

 wanda, Niag. Co., andTonawanda Is., Clinton; Machias, Catt. 

 Co. One plant seen near the L. S. & M. S. R. R. bridge, 

 where it crosses Buffalo R. 



904. A. Calamus, L. 



403. ACORUS, L. 



Order 92. Lemnace^e. 



404. LEMNA, L. 

 905. L. trisulca, L. 



90G. L. minor, L. 



405. SPIRODELA, Schleiden. 



907. S. polyrrhiza, Schleiden. 



406. WOLFFIA, Horckel, Schleiden. 



908. W. Columbiana, Karsten. ? 



Rare. Niagara R., near Grand Is., Prof. D. S. Kellicott. Pos- 

 sibly our plant may prove to be W. Braziliensis, Karsten. 



BLL. BUF. SOC. NAT. SCI. (18) APRIL. 1882. 



