41 8 LINACEAE 



Outer sepals 3-3.5 mm. long at maturity, stems 



corymbosely branched. 2. C. virginianum . 

 Sepals, or some of them, glandular toothed. 



Capsule spheroidal. 3. C. medium. 



Capsule ovoid. 4. C. intercursum. 



Styles more or less united. 5. C. sulcatum. 



i. C. striatum (Walt.) Small {Linum striatum Walt.). In moist 

 sandy places: Ont. to Fla. and Tex. 

 Conn. Not uncommon near the coast, decreasing and perhaps 



wanting northward. 

 N. Y. Common on L. I.; on S. I., decreasing up the Hudson 



Valley to the Highlands; unknown northward. 

 N. J. Rare in the north, increasing and common throughout the 



southern part of the state. 

 Pa. From Northampton Co. southward. 



Tertiary, common throughout: Cretaceous, common: Older 

 Formations, apparently decreasing northward. 164-220 days. 

 Sea level-800 ft. 



2. C. virginianum (L.) Reich. (L. virginianum L.). In dry sandy 



woods: Me. and Ont. to Ga. and Ala. 



Throughout the range except the pine-barrens, there rare and 

 probably introduced ; not specifically known from the upper eleva- 

 tions of the Catskills. 



3. C. medium (Planch.) Small (L. medium (Planch.) Britton). 



In sandy places and wet meadows: Ont. to Fla. and Tex. 

 Conn. Not very common near the coast, decreasing and perhaps 



unknown northward. 

 N. V. Rare on S. I. and L. I.; unknown elsewhere. 

 N. J. Common throughout the coastal plain especially near the 



sea; unknown elsewhere. 

 Pa. Delaware and Chester counties, according to Pennell. 



Tertiary, common throughout: Cretaceous, common: Older 

 Formations, rare and local on overwash morainal material on L. I. 

 and scattered along coastal Conn. 168-220 days. About sea level. 



4. C. intercursum Bicknell (Linum floridanum of the Manuals). 



In dry places: E. Mass. to Fla. 



N. Y. The coastal plain of L. I. 



N. J. From Monmouth County southward, along the coast and 



in the southeastern part of the pine-barrens. 

 Pa. Delaware and Chester counties. 



