100 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Carex aestivalis M. A. Curtis (of summer). 



Rare. Salisbury, rocky woodland hillside (A. E. Blewitt). 

 June — July. 



Carex Willdenowii Schk. 



Rare. Dry woods: East Haven (Harger), Hamden (J. A. 

 Allen) . Late May — early June. 



Carex umbellata Schk. (bearing umbels). 



Open ground, in dry sandy or rocky places. Occasional 

 or frequent near the coast, becoming rare or local northward, 

 reaching Woodstock (R. W. Woodward & Harger), Bolton 

 (A. W. Driggs) and Barkhamsted (Harger). May. 



The var. tonsa Fernald (clipped) occurs at North Ston- 

 ington, rocky slope of Lantern Hill (Graves). 



Carex nigro-marginata Schwein. (black-margined). 



Rare. North Stonington, dry rocky slope of Lantern Hill 

 (Graves). May. 



Carex communis Bailey (growing in colonies). 

 Carex pedicellata Britton. 



Carex pedicellata Britton, var. Whceleri Britton. 

 Carex comnmnis Bailey, var. Wheeleri Bailey. 



Occasional or frequent. ' Rocky woods and on shaded 

 banks. May — June. 



Carex varia Muhl. (variable). 



Occasional or frequent. Rocky or sandy woods and clear- 

 ings. May — June. 



The var. colorata Bailey (colored) occurs with the typi- 

 cal form. 



Carex pennsylvanica Lam. 



Common. Dry sandy or sterile soil, in woods and in open 

 ground. May. 



One of the most abundant species of the genus. 

 Carex pennsylvanica Lam., var. lucorum (Willd.) Fernald 

 (of groves). 



Rare or local. Dry or moist woods: West Hartford (Dr. 

 E. J. Thompson), Meriden (Andrews), Southington (Bis- 

 sell, Andrews), Fairfield (Fames). Late May —June. 



