60 CYPERACEAE 



b. Perigynia lanceolate to ovate-lanceolate. 



Spikes oblong or globular : perigynianer\'eless. ii8. C. Deweyana. 

 Spikes oblong-cylindric : perigynia strongly several-nerved. 



119. C. bromoides. 

 XXXVill. OVALES. 



Perigynia much longer than broad. 



Perigynia lanceolate to ovate-lanceolate, 2-5 times as long as wide. 

 Staminatejflower intermixed with the pistillate : perigynia broadly winged. 



120. C. sicca ta. 

 Staminate flowers all basal : perigynia narrowly winged. 



Spikes oblong or oval : perigynia erect or ascending. 

 Spikes green-brown, blunt. 121. C. trihuloides. 



Spikes bright brown, pointed. 122. C. scoparia. 



Spikes globular : perigynia spreading at maturity. 



123. C. cristatella. 

 Perigynia ovate, or if narrower not more than twice as long as broad. 

 Perigynia ascending or spreading. 

 Spikes silvery green. 124. C.foenea. 



Spikes j'ellowish-brown or greenish. 125. C. straminea. 



Perigynia erect or appressed. 126. C. tenera. 



Perigynia about as broad as long or broader than long. 

 Spikes green-brown. 



Perigynia spreading or ascending, 3-3.5 mm. broad : achene sessile.' 



127. C./esliicacea. 

 Perigyniaerect, 4-5 mm. broad: achene slipitate. 128. C. alala. 

 Spikes silvery-green, but darkening in age. 129. C. albolittescens. 



1. Carex pauciflora Lightf. Few-F^owerED SEDGE. (Man. p. 190 ; 

 I. F. f. 6ji.) In bogs and meadows, Newf. to Alaska, Pa., Mich, and 

 Wash. — Pennsylvania : Susquehanna, near Montrose ; W.wne, Terry 

 Lake ; Pike ; Monroe. 



2. Carex CoUiiisii Xutt. Collin's Sedge. (Man. p. 191 ; I. F. /. 

 6j2.) In bogs, R. I. to eastern Pa. and Ga. — Pennsylvania : Schuylkill, 

 Broad Mountain ; CHESTER. 



3. Carex abacta Baile)'. Yellowish Sedge. (Han. p. 191 ; I. F. 

 /. d/j. ) In bog.s and wet meadows, Newf. to Mich, and Pa. — Pennsyl- 

 vania: Susquehanna. 



4. Carex folliculata L. Long Sedge. (Man. p. 191 ; I. F. /. 6/4.) 

 In shaded swamps and wet woods, Newf. to Md., Mich, and W. Va. — 

 Pennsylvania : Monroe ; Luzerne ; Schuylkill ; Northampton ; 

 Bucks ; Lancaster ; Delaware ; Centre ; Venango ; Somerset ; 

 Susouehann.\. 



5. Carex intmnescens Rudge. Bladder Sedge. (Man. p 191; I. 

 F. y. 675.) In damp thickets and wet places, Newf. to Man., Fla. and 

 La. — Pennsylvania : Monroe ; Northumberland ; Bucks ; Montgom- 

 ery ; Chester ; Lancaster ; Blair ; Jefferson ; Armstrong ; Som- 

 erset ; Pike ; Lack.\w.\nna ; Franklin ; Delaware. 



6. Carex Asa- Grayi Bailey. Gray's Sedge. (Man. p. 191 ; I. F. /. 

 979.) In swamps and wet meadows, Vt. to Mich., Ga. and Mo. — Penn- 

 sylvania : Delaw^are ; York; Mercer; Erie; Allegheny. 



