12 



Erythronium americanum Ker. Locally abundant in wet woods. Plattsdale, 

 Woodside, Flushing, Bayside, North Beach, Millneck, Xe^\town, Glen- 

 cove. 



HAEMODORACEAE 



Gyrotheca tinctoria (Walt.) Salisb. Rare. Damp meadow. Oakdale. 



ORCHIDACEAE 

 Ibidium plantagineum (Raf.) House. Very rare in damp meadows. Winfield. 



FAGACEAE 

 QuERCUS VELUTINA Lam X marylandica Muench. Rare in dry soil. Central 

 Park. Determined by Wm. Trelease. 



POLYGONACEAE 

 Persicari.\ fluitan's (Eaton) Greene. Rare in swamps north of Moraine. 

 (Polygonum Hartwrightii Gray.) Winfield. 



CABOMBACEAE 

 Cabomba carolinian.\ A. Gray. Rare in ponds in hilly rich woods. Queens, 

 two widely separated small ponds. 



RANUNXULACEAE 

 Batrachium trichophyllum (Chaix.) F. Schultz. Rare in streams. Valley 

 Stream, Massapequa, Lindenhurst, Oakdale, Islip. 



CRUCIFERAE 

 Arabis glabra Bernh. Rare along roadsides. Massapequa. 

 Cardamine parviflora L. Rare in rich damp woods and on sandy wet shores. 

 Richmond Hill, Queens, South Jamaica, Roslyn, Glen Cove, Wading 

 River. 



ROSACEAE 

 Rubus odor.\tus L. Rare, roadsides and hilly woods. Cold Spring Harbor 



CALLITRICHACEAE 

 Callitriche palvstris L. Occasional in ponds and streams. Cold Spring 



Harbor, Rosedale, Great River, Bayside, \'alley Stream, Flushing, Islip, 



Massapequa. 

 Callitriche heterophylla Pursh. Occasional or frequent in ponds and 



streams. Massapequa, Freeport, Valley Stream, Montauk, Mill Neck, 



Seaford, Wantagh. I have also identified both species at several other 



localities. 



HYPERICACEAE 

 AscYRUM HYPERicoiDES L. Rare. Damp meadow. Merrick. Hilly rich woods 



Wyandanch. 

 Hypericum dissimulatum BickneJI. Rare in swamps and on wet shores. 



Bridgehampton, Wantagh. 



