154 SANDUSKY FLORA. 



A. shortii, Hook. 



Peninsula and Islands; common. Huron and 

 Vermillion Rivers; frequent. 



A. TRADESCANTI, L. 



Frequent, at least in Perkins and Oxford. Kel- 

 ley's Island. 



A. UMBELLATUS, Mill. 



Infrequent. 



A. yimineus, Lam.* 



Perkins and probably elsewhere. 



BIDENS, L. Bur-Marigold. 



B. beckii, Torr.* Water Marigold. 



Black Channel, Biemiller's Cove, East Harbor; 



scarce. 

 B. bipinnata, L. Spanish Needles. 



Sandusky, Cedar Point, Catawba, North Bass; 



rare. 

 B. cernua, L. Smaller Bur-Marigold. 



Perkins and Margaretta ; scarce. 

 B. chrysanthemoides, Michx. Larger Bur-Marigold. 



Frequeut. Islands. 

 B. connata, Muhl. Swamp Beggar-ticks. 



Common. One specimen seven feet tall. Some 



specimens have the awns upwardly barbed. 

 B. connata comosa, Gray. 



Frequent. 

 B. frondosa, L. Common Beggar-ticks. Stick-tight. 



Common. A troublesome weed. 



BOLTONIA, L'Her. 



B. asteroides, L'Her. 



Sheltered beaches of Lake Erie and Sandusky Bay 

 especially Johnson's Island and the beach stretch- 

 ing from Port Clinton towards Catawba. Not 

 on rocks nor pure sand. Put-in-Bay the only 

 island in the lake, 



