233 



P. Muhlenbergii Nash. 



P. psammophilum Nash. 



P. selaceum Mx. — Specimens in N. Y. State Herbarium. 



Phleum pratense L. 



Phragmites Phragmites (L.) Karst. — Orient in swamps. 



Poa annua L. 



P. compressa L. — Sandy soil. 



P. pratensis L. — Meadows. 



P. trijlora Gilib. — Orient about ponds; determined in part by Mrs. Chase. (Form- 

 erly confused with Poa fiava L.) 



Savastana odorata (L.) Scribn. — Wet meadows. 



Schizachyrium scoparium (Mx.) Nash — (Andropogon scoparius Mx.) 



Sorghastrum nutans (L.) Nash — Orient in moist woods. 



Spartina Michauxiana Hitchc. 



5. patens (Ait.) Muhl. — Also var. juncea (Mx.) Hitchc; specimens in N. Y. State 

 Herbarium. 



5. striata (Ait.) Roth — The var. alternijlora (Lois.) A. Gray. 



Sphenopolis pallens (Spreng.) Scribn. — Rare at Orient. (Ealonia pennsylvanica 

 (DC.) Gray.) 



Sporobolus asper (Mx.) Kunth — Orient. 



S. cryptaudrus (Torr.) A. Gray — Sandy beaches; reported in N. Y. State Mus. 

 Bull. 150: 49. 1911. 



Sporobolus uniflorus Muhl. — Greenport. {Sporobolus serotinus (Torr.) A. Gray.) 



S. vaginaeflorus Torr. — Orient. 



Stipa avenacea L. — Rare at East Marion and Southold; specimens in N. Y. State 

 Herbarium. 



Syntherisma Ischaemum (Schreb.) Nash — (Syntherisma linearis (Krock.) Nash.) 



Tridens flava (L.) Hitchc. — Dry soil. 



Triplasis purpurea (Walt.) Chapm. — Sandy hills. 



Tripsacum dactyloides L. — Upper edge of salt marsh at Orient, 19 July, 1909; 

 specimens in N. Y. State Herbarium. 



Cyperaceae 

 Carex albolutescens Schwein. 

 C. albursina Sheldon — Greenport. 

 C. blanda Dew. — Orient. 

 C. canescens L. — Also the var. disjuncta Fernald; specimens of the variety in N. Y. 



State Herbarium. 

 C. cephalophora Muhl. — Shaded places. 

 C. comosa Boott. — Margins of swamps. 



C. complanata Torr. — (Carex triceps, var. hirsuta (Willd.) Bailey.) 

 C. crinita Lam. — Swampy places. 

 C. digitalis Willd. — Dry open woods. 

 C. festucacea Schkuhr. — The var. brevior (Dew.) Fernald; determined at Bureau 



of Plant Industry. 

 C. flexuosa Muhl. — Greenport. (Carex tenuis Rudge.) 

 C. foenea Willd. 



C . folliculata L. — Greenport in swampy woods; also a slender form. 

 C. grisea Wahl. — Determined at Bureau of Plant Industry. 



