No. 14.] FLOWERING PLANTS AND FERNS. 397 



Marshes and borders of ponds and streams. Frequent 

 near the coast in southwestern Connecticut and inland as far 

 as Ridgefield (Eames & C. C. Godfrey) ; occurs also along 

 the Connecticut River throughout its course; not reported 

 elsewhere. Aug. — Oct. 



Bidens bipinnata L. (twice-pinnate). 

 Spanish Needles. 



Rocky woods, roadsides and waste places in sandy soil. 

 New London (Graves), Oxford (Harger), and occasional 

 in the southwestern part of the state. Aug. — Oct. 



The plant is medicinal. 



Bidens leucantha Willd. (white-flowered). 



Rare. Hartford, in waste ground (H. S. Clark). Sept. 

 Fugitive from the South. 



Bidens trichosperma (Michx.) Britton (with hairy seeds). 

 Coreopsis trichosperma Michx. 

 Tickseed Sunflower. 



Rare. New Haven, Gofife St. (O. Harger). Aug.— Oct. 



Bidens aristosa (Michx.) Britton (bearing bristles). 

 Coreopsis aristosa Michx. 



Rare. Waste places: Norwich (Mrs. E. E. Rogers), 

 Lebanon and Windham (Graves). Sept. Fugitive from the 

 West. 



Bidens Beckii Torr. 

 Water Marigold. 



Rare. In ponds: L3rme (Graves), Guilford (G. H. Bart- 

 lett), Wallingford (Harger), North Haven (Eaton Herb.), 

 Plainville (J. N. Bishop), East Granby (Harger), Danbury 

 (Eames & C. C. Godfrey). Aug.— Sept. 



GALINSOGA Ruiz & Pavon. 

 Galinsoga parviflora Cav. (small-flowered). 

 Galinsoga. 



Local. Waste ground, mostly in cities. July — Sept. Ad- 

 ventive from tropical America. 



The var. hispida DC. (rough-hairy) is often more plen- 

 tiful than the typical form. 



