26o CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bttll. 



Linum virginianum L. 

 Wild Yellow Flax. 



Frequent. Dry woods and more open places, usually in 

 sandy soil. July — Aug. 



Linum medium (Planch.) Britton (intermediate). 



Rare. Dry sandy fields : Waterford and Old Lyme 

 (Graves), Ledyard (Harger), Milford (Fames). July — 

 Sept. 



OXALIDACEAE. WOOD SORREL FAMILY. 

 OXALIS L. Wood Sorrel. 



Oxalis Acetosella L. (somewhat sour). 

 Common or White Wood Sorrel. 



Rare or local. Rich moist woods: Granby (L Holcomb), 

 Barkhamsted and Colebrook (Bissell), Winchester (An- 

 drews), Norfolk (J. H. Barbour), Salisbury (Mrs. C. S. 

 Phelps ) . June — July. 



This and other species of the genus contain a compound of 

 oxalic acid, and if eaten in excess may give rise to poisoning. 

 They are somewhat medicinal. 



Oxalis violacea L. (violet-colored). 

 Violet Wood Sorrel. 



Woods and moist or dry shaded places. Rare or local, but 

 apparently well distributed throughout the state. May — June. 



Oxalis striata L. (straight). 



Oxalis corniculata L., var. stricta of Gray's Manual ed. 6 in 



part. 

 Yellow Wood Sorrel. 



Fields, roadsides and sandy places. Rare or local in 

 northern districts, becoming frequent near the coast. May — 

 Sept. 



Oxalis filipes Small (with thread-like stems). 

 Oxalis Brittoniae Small. 

 Slender Yellow Wood Sorrel. 



Rare or local. Dry fields and roadsides : Farmington (H. 

 S. Clark & Bissell), Newington, Litchfield and Cornwall (Bis- 



