235 



F imhristylis autumnalis (L.) R. & S. — Wet places. 



F. castanea (Mx.) Vahl — Rare at Orient on salt marshes; plants with shining(!) 



scales were collected 14 July 1913; specimens in N. Y. State Herbarium. 

 Mariscus mariscoides (Muhl.) Ktze. — (Cladium mariscoides (Muhl.) Torr.) 

 Rynchospora corniculata (Lam.) A. Gray — Rare at Orient, the var. macrostachya 



(Torr.) Britton. 

 R. glomerata (L.) Vahl — Low grounds. 

 Scirpus americanus Pers. — Salt marshes and beaches. 

 5'. atrovirens Muhl. — Orient. 

 5'. cy per inns (L.) Kunth — Wet places in open woods; also Scirpus pedicellatus 



Fernald. 

 S. Olneyi A. Gray — Southold ; specimens in N. Y. State Herbarium. 

 5. paludosus A. Nels. — Orient on salt marshes. 

 5. robustus Pursh. 

 S. validus Vahl. 

 Stenophyllus capillaris (L.) Britton — Sandy hillsides. 



Araceae 

 A cor us calamus L. 

 Arisaema triphyllum (L.) Torr. 



Peltandra virginica (L.) Kunth — Greenport in wet woods. 

 Spathyema foetida (L.) Raf. — Greenport. 



Lemnaceae 

 Lemna minor L. — Greenport, floating on pools. 



Xyridaceae 

 Xyris caroliniana Walt. — Southold. 



Eriocaxilaceae 

 Eriocaulon septangulare With. — Southold. • 



COMMELINACEAE 



Commelina communis L. — Roadsides and waste places. 



PONTEDERIACEAE 



Pontederia cordata L. — Greenport and Southold. 



JUNCACEAE 



Juncoides campestre (L.) Ktze. 



Juncus acuminatus Mx. 



J. articulatus L. — Greenport. 



J. balticus Willd. — Brackish meadow at Orient, 30 May, 1910, and 3 June, 1914. 



J. bufonius L. — Margin of salt marshes; specimens in N. Y. State Herbarium. 



J. canadensis J. Gay. 



J. dichotomus Ell. — Orient in cultivated field and in swamps, the var. platyphyllus 



Wieg. ; in part determined at Bureau of Plant Industry. 

 J. effusus L. 



J. Gerardi Lois. — Salt marshes; used for hay. 

 J. Greetiei Oakes & Tuck. — Orient on hills. 

 J. marginatus Rostk. — Rare. 



