70 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BuU. 



PHRAGMITES Trin. Reed. 



Phragmites communis Trin. (growing in colonies). 

 Phragmites vulgaris BSP. 

 Phragmites Phragmites Karst. 

 Wild Broom Corn. 



Borders of marshes, either salt or fresh. Apparently rare 

 inland: Salisbury (Mrs. C. S. Phelps). Occasional along the 

 coast, becoming more frequent in the southwestern corner of 

 the state. Late Aug. — Sept. 



A tall, striking grass with broad leaves, the largest of our 

 native grasses. 



TRIDENS R. & S. 



Tridens flavus (L.) Hitchc. (yellow). 

 Triodia cuprea Jacq. 

 Sieglingia seslerioides Scribn. 

 Tricuspis seslerioides Torr. 

 Tall Red Top. 



Dry fields and roadsides, generally in sandy or sterile soil. 

 Rare in the eastern part of the state : East Lyme and the val- 

 ley of the Thames River (Graves). Becoming occasional 

 westward along the coast and in the river valleys and frequent 

 in southwestern Connecticut. In the Housatonic Valley it is 

 found as far north as Kent (Eames). Aug. 



TRIPLASIS Beauv. 



Triplasis purpurea (Walt.) Chapm. (purple). 

 Triodia purpurea Hack. 

 Sieglingia purpurea Kuntze. 

 Sand Grass. 



Dry, open sandy places. Occasional to frequent along the 

 shore; rare inland as at Lisbon (Harger). July — Sept. 



MOLINIA Schrank. 



Molinia coerulea (L.) Moench (sky-blue). 



Rare. Well established along roadsides : New Haven (R. 

 W. Woodward). July — Aug. Adventive from Europe. 



