150 SANDUSKY FLORA. 



PRENANTHES, L. Rattlesnake-root. 



P, ALBA, L. White-lettuce. 

 Common. 



P. ALTISSIMA, L. 



Infrequent, Put-in-Bay, 

 P. ASPERA, Michx.* 



Prairie east of Kimball ; rare. 



P. CREPIDINEA, Michx. 



Near Pipe Creek in German Settlement woods; 

 rare. 



P. RACEMOSA, Michx. 



Prairies. West of Castalia; frequent. Oxford, 

 Groton, "Perkins," "Gypsum"; infrequent or 

 scarce. 



SONCHUS, L. Sow-Thistle. 



S. asper, Yill. Spiny-leaved Sow-thistle. 



Infrequent. Islands. 

 S. oleraceus, L. Common Sow-Thistle. 



Frequent. Islands. 



TARAXICUn, L. Dandelion. 



T. o&cinale, Weber. Common Dandelion. 



Abundant. "In blossom when the boys were 

 skating" Frej^ensee. 



TRAQOPOQON, Goats-beard. 



T. porrifolius, L. Salsify. Oyster-plant. 



Roadsides ; infrequent. Islands. 

 T. pratensis. L. Goats-beard. 



Sandusky, in vacant lots near Central Avenue 



and elsewhere ; spreading. 



C0MP05ITAE. 



ACHILLEA, L. Yarrow. 



A. MiLLEFOLroM, L. Commou Yarrow or Milfoil. 

 Abundant. 



