CYPERACEAE 1 73 



Pa. Rare in Monroe Co.. thence unrecorded to Bucks Co., thence 

 increasing southward. 



A rare plant in our area; Conn, record not verified. 



4. S. pauciflora Muhl. In dry sandy soil: N. H. to Ohio, Mo., 



Kan., Fla. and Tex. 



Conn. Columbia and Hartford ; rare. 



N. Y. Rare in Westchester Co.; on L. I., specially on the Hemp- 

 stead Plains; unknown on S. I. 



N. J. Mt. Tammany, Delaware Water Gap*, and Milburn, Essex 

 Co.; Monmouth Co., increasing southward. 



Pa. Northampton Co., increasing southward. 



5. S. verticillata Muhl. In moist meadows: eastern Mass. to 



Ont., Minn., Mo., Fla., Tex., Mex., Bahamas and Cuba. 



Conn. Salisbury, rare. 



N. Y. Woodside, L. I., rare. 



N. J. White Pond, Warren Co.; White Pond, Sussex Co., (ac- 

 cording to Mackenzie); the Hackensack meadows, thence in- 

 creasing southward along the coast. 



Pa. Reported from Lehigh Co.; Mount Bethel, Northampton 

 Co. 



A rare and scattered species in our region, more common out of 

 our area than in it. 



15. Carex L.f 



I. Achenes lenticular and stigmas 2; lateral spikes sessile; 

 terminal spike partly pistillate, or if staminate, the 

 lateral spikes short or heads dioecious. 

 Rootstock long creeping, the culms arising i-few together. I . Arenariae. 

 Culms caespitose, but plants sometimes stoloniferous, 

 or with slender rootstocks. 

 Spikes always androgynous. 



Perigynia strongly compressed, not whitish green. 

 Perigynia 2-5 mm. long, the beak not exceeding 

 the body. 

 Spikes usually 10 or less, green or reddish 



brown tinged. 2. Muhlenbergianae. 



Spikes numerous, yellow or brown. 



Perigynia plano-convex, yellowish. 3. Multiflorae. 



Perigynia thick, much rounded on outer, 



somewhat on inner surface, brownish. 4. Paniculatae. 



* See Introduction paragraph 50. 



t Contributed by Mr. Kenneth K. Mackenzie. 



