Carex 



Cyperaceae 



263 



o 55 



Map 543 



Carex torta Boot t 



^3 



Map 544 



Carex crinita Lam. 



35A. § ORTHOCERATES 



Carex pauciflora Lightf. (See excluded species no. 28, p. 276.) 



36. § FOLLICULATAE 



117. Carex folliculata L. Map 545. Known in Indiana only from the 

 dune area in Porter and La Porte Counties where it is locally frequent on 

 mucky borders of wet woods. One collection of Deam's (4 miles northeast 

 of Michigan City) is from a sedge marsh. 



Newf. to Wis., southw. to D. C. (in the mts. to N. C. and Tenn.) and Ind., 

 but best developed on the Coastal Plain. 



37. § PSEUDO-CYPERI 



Teeth of perigynia not over 0.5 mm long; perigynia suborbicular in cross section, 

 inflated, membranaceous, spreading; culms stoloniferous; ligule . not longer than 



wide 1 18. C hystricina. 



Teeth of perigynia 0.5 mm or more long; perigynia flattened-triangular, scarcely 



inflated, coriaceous, more or less reflexed; culms not stoloniferous; ligule much 



longer than wide. 



Teeth of perigynia recurved-spreading, 1.2-2 mm long; beaks of perigynia (exclusive 



of the teeth) 1.5-2.2 mm long, equaling or longer than the bodies; perigynia 6 mm 



long 119. C. comosa. 



Teeth of perigynia erect or slightly spreading, 0.5-1 mm long; beaks of perigynia 

 (exclusive of the teeth) averaging 1 mm long, shorter than the bodies; perigynia 

 4-5 mm long 120. C. Pseudo-Cyperus. 



118. Carex hystricina Muhl. (Carex hystricina var. Dudleyi Bailey and 

 Carex hystricina var. Cooleyi Wood.) Map 546. Common in most of the 

 glaciated area of Indiana in swamps and wet habitats of all types but 

 usually in calcareous soils. 



No corroborating specimen for Schneck's report from the Lower Wabash 

 Valley could be found. 



Que. to Wash., southw. to Va., Ky., Tex., and Calif. 



119. Carex comosa Boott. (Carex Pseudo-Cyperus var. americana 

 Hochst.) Map 547. Fairly common in northern Indiana on low borders 



