58 Forty-first Annual Report on the 



Aristolochia Clematitis, L. 



Lansingburgh, Kensselaer county. H. G. Gordmier. Union Springs. 

 June. Dudley. Introduced. 



Euphorbia Esula, L. 



Groton. June and July. Dudley. 



Salix amygdaloides, Ander. 



Fall creek, Eddy pond, Cayuga lake, Cayuga marshes, etc. Abund- 

 ant. May. Dudley. 



Potamogeton Spirillus, Tuckm. 



Cayuta lake. August. Dudley. Lower Saranac lake, Essex county. 

 Sandlake. 



Two forms occur. In one the submersed leaves are rather long and 

 straight; in the other they are shorter and somewhat recurved, and 

 give the plant a peculiar appearance. The Cayuta-lake specimens are 

 very small, being but one or two in. long. 



Potamogeton Zizii, M. <(; K. 

 Fall creek. August and September. Dudley. Normanskill creek 

 near Kenwood, Albany county. 



Potamogeton Hillii, Morong. 

 Malloryville. July. Dudley. 



Potamogeton marina, L. 

 Near the outlet of Seneca lake. July. Dudley. 



Eleocharis diandra, Wright. 

 Lansingburgh. E. G. Howe. 



Panicum nervosum, Muhl. 

 Woods near White church. July. Dudley. Cold Spring, Putnam 

 county, and Adirondack mountains. 



Deyeuxia Porteri, Vasey. 

 Thatcher's pinnacle, West Danby. 'August. Dudley. This is CaZa- 

 magrostis Porteri of the Manual. It is a rare and local species. 



Eatonia Dudleyi, Vasey. 

 South hill. Jvine. Dudley. The specimens placed in the State 

 Herbarium by Dr. Torry, and labeled Kaeleria Pennsylvanica, belong to 

 this species, which has until recently been confused with Eatonia 



