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



Rare. Waste ground: Bridgeport (Eames), Naugatuck 

 (A. E. Blewitt). Aug. — Sept.; fruit Sept. — Nov. Adven- 

 tive from tropical America. 



The leaves are medicinal. 



Xanthium canadense Mill. 

 Xanthium glabratum Britton. 

 Xanthium pun gens Wallr. (?). 

 Xanthium strumarium of Britton & Brown's 111. Flora. 



Rare or local. Sandy roadsides and beaches, banks of 

 streams and in waste places : Stratford and Fairfield (Eames), 

 Oxford (Harger), West Hartford, Goshen, Norwalk and 

 Sharon (Bissell). Aug. — Sept. 



Xanthium commune Britton (growing in colonies). 



Rare. Banks of streams and in waste places : East Wind- 

 sor (Bissell), Stratford, Bridgeport, Fairfield and New Mil- 

 ford (Eames), Stamford (A. W. Driggs). Aug. — Sept. 



Xanthium echinatum Murr. (hedgehog-like). 



Xanthium canadense Mill., var. echinatum Gray. 



Frequent or common. Waste places, banks of streams 

 and about ponds. Aug. — Sept. 



HELIOPSIS Pers. Ox-eye. 

 Heliopsis helianthoides (L.) Sweet (like Helianthus, the Sun- 

 flower). 

 Heliopsis laevis Pers. 



Rare. Waste ground and sandy woods : Southington 

 (Andrews & Bissell), Seymour (Harger), Naugatuck (A. E. 

 Blewitt), Fairfield (Eames). July — Sept. Introduced from 

 the West. 



Heliopsis scabra Dunal (rough). 



Rare. Dry fields and roadsides: East Lyme (Miss A. 

 M. Ryon & Graves), Montville (Graves), Berlin (Andrews 

 & Bissell), Cheshire (A. E. Blewitt), Oxford (Harger), Sey- 

 mour and Huntington (Eames). July — Sept. 



RUDBECKIA L. Cone-flower. 

 Rudbeckia triloba L. (three-lobed). 



Rare. Roadsides and banks of streams : Hartford (H. S. 



