266 



Cyperaceae 



Carex 



o 33 



Map 554 



Carex FrankFI Kunth 



39. § SQUARROSAE 



Perigynia shorter than the rough-awned scales, 14-20-ribbed; terminal spike usually 

 staminate, narrowly linear, small (0.5-2.5 cm long); ligule slightly, if at all, longer 



than wide; achenes about 1.5 mm long 125. C. Frankii. 



Perigynia much longer than the scales, several-ribbed above; terminal spike gynae- 

 candrous; ligule much longer than wide; achenes 2.2-3 mm long. 

 Beaks of perigynia mostly appressed-ascending; spikes oblong-cylindric; achenes 

 obovoid, their sides concave; pistillate scales mostly blunt; style straight 



b e l ow 126. C. typhina. 



Beaks of perigynia widely radiating; spikes oval or oblong-oval; achenes linear- 

 oval, their sides almost flat; pistillate scales acute to short-awned; style strongly 

 curved or bent below 127. C. squwrosa. 



125. Carex Frankii Kimth. (Carex stenolepis Torr.) Map 554. Not 

 known from the two northern tiers of counties. Except in the lake and 

 prairie areas very common in ditches and low roadsides and on banks of 

 creeks; frequent in swamps, low flat woods, ravines, marshes, and wet 

 fallow fields. 



Pa. and N. Y. to 111. and Kans., southw. to Ga. and Tex.; also in S. A. 



126. Carex typhina Michx. (Carex typhinoides Schwein.) Map 555. 

 Fairly common in the southern counties, infrequent in northern Indiana, 

 and not known from the central portion of the state. Its favorite habitat 

 is low flat woods, especially pin oak, but it is also found on borders of 

 ponds and in marshes, swamps, and roadside ditches. 



Specimens to confirm Wilson's reports from Hamilton and Tippecanoe 

 Counties could not be found. 



Que. to Wis. and Iowa, southw. to Ga. and La. 



127. Carex squarrosa L. Map 556. Common, especially southward, in 

 low or swampy woods and roadside ditches; frequent on wet borders of 

 ponds and creeks. 



Que. to Wis. and Nebr., southw. to N. C. and Ark. 



