Carex 



Cyperaceae 



235 



50 



Map 463 



Carex Bicknellii Britton 



40. Carex molesta Mack. (N. Amer. Flora 18: 151. 1931.) Map 461. 

 Infrequent to rare along railroad sidings and roadsides and in ditches and 

 dry woodlands. 



N. Y. to Kans. and Nebr. 



41. Carex brevior (Dewey) Mack. (Carex festucacea var. brevior 

 (Dewey) Fern.) Map 462. Common in dry open woods and moist ditches 

 and along railroads and roadsides, especially in the prairie area. 



Que. to B. C, southw. to D. C, Tenn., Tex., N. Mex., and Oreg. 



42. Carex Bicknellii Britt. Map 463. Frequent to common along rail- 

 road sidings and grassy roadsides in northern Indiana; rare in the south- 

 ern counties and not known from the unglaciated area. Occasional in low, 

 moist sandy habitats ; very rare in open woods. 



Maine to Sask., southw. to Del., Ark., and Okla. 



43. Carex suberecta (Olney) Britt. Map 464. Frequent to common, 

 except in the southern counties, in open swamps, marshes, and moist 

 ditches and on wet sandy borders of lakes. Not known from the un- 

 glaciated area. 



Ont. to Va., Minn., and Mo. 



44. Carex Richii (Fern.) Mack. (Carex hormathodes var. Richii Fern. 

 and Carex straminea of Svenson, Rhodora 40: 329-330. 1938.) Map 465. 

 Rare and local in open swampy woods and borders of ponds in woods, less 

 frequently in open non-calcareous marshes or swamps. The known sta- 

 tions are all in either the lake area or the unglaciated area. 



Mass. to N. J. and D. C, westw. to Mich, and Ind. 



45. Carex cumulata (Bailey) Mack. (Bull. Torrey Bot. Club 49: 366. 

 1922.) (Carex albolutescens var. cumulata Bailey.) Map 466. Known in 

 Indiana only from Newton County where in 1936 a colony was found by 

 Miss Madge McKee along a roadside ditch 3 miles northwest of Morocco. 

 It is a local species throughout most of its range. 



N. S. to N. J., westw. to Sask. 



