Carex CYPERACEAE Carex 



C. umbellata Schk. 



Rare; dry rocky or sandy soil: "Brandywine hills" (NC), Canhy, 

 April 1866 (A); near Townsend (NC), Commons, 17 May 1883 (A); 

 Bald Friar (Ce), Long, 42982, 6 May 1934 (A). 



C. rugosperma Mack. (C umhellata of many authors, not Schk.) 

 Rare; dry wooded slopes: near Centreville (NC), Commons, 7 

 May 1864 (A); Octoraro Creek, above Cecil Paper Mills (Ce), Long 

 & St. John, 2517, 1 May 1916 (A); 1 mile w. of Betterton (Ke), F. 

 S. Fender, 1228, 10 April 1936 (P). 



C. tonsa (Fernald) Bicknell. (C. umhellata var. tonsa Fernald.) 



Rare; in sandy soil of the Coastal Plain: clearings, Milford (S), 

 Canhy, 18 April 1888 (D); oak scrub n. e. of Elk Neck (Ce), Long, 

 54296, 19 May 1940 (A) ; Middle Neck (Ce), bank of Great Bohemia 

 Creek, Long, 7 May 1932 (A). 



Digitatae 

 C. pedunculata Muhl. 



Rare; rocky wooded banks of Brandy wine Creek, Wilmington: 

 Wills Rock, Canhy, May 1862 (D); above Wilmington, Commons, 

 3 May 1865 (A, D). 



Triquetrae 



C. hirtifolia Mack. (C. puhescens Muhl.) 



Infrequent; wooded slopes of the Piedmont. Late May, June. 



X C. Sullivantii Boott. (C. hirtifolia X C. gracillima.) 



Rare: moist banks, Stanton (NC), Commons, 3 June 1884 (A). 



Paniceae 

 C. tetanica Schk. 



One collection: meadow s. of Sylmar (Ce), Long, 32107, 2 May 

 1925 (A). 



Northern species. 



C. Meadii Dewey. (C. tetanica var. Meadii of Gray's Man., ed. 7.) 

 Rare: known only from a swamp n. of Rockland (NC), Com- 

 mons, 29 June 1893 (A). 



C. polymorpha Muhl. 



One known collection: Leslie (Ce), J. Crawford, 10 May 1891, 

 (A). 



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