MOSELEY. 151 



ACTINELLA, Nutt. 



A. acaulis glabra, Gray.* 



Marblehead prairie; infrequent but occurring at 

 places widely separated and, apparently, 

 indigenous. 



ACTINOMERIS, Nutt. 



A. SQUARROSA, Nutt. 



Frequent on flood grounds of streams. 



AHBROSIA, L. Ragweed. 



A. artemislefoua, L. Ragweed. Roman Worm- 

 wood. 



Abundant. After Setaria glauca probably the 

 worst weed. 



A. trifida, L. Great Ragweed. 



Common. The so-called variety integrifolia is 

 infrequent. 



ANTENNARIA, Gaertn. Everlasting. 



A. plantaginea, R. Br. Plantain-leaved Everlasting. 

 Common. Kelley 's and Put-in-Bay the only islands. 

 A specimen collected on Marblehead by Ralph H. 

 McKelvey is what Greene would call A. neglecta 

 and one in Perkins by Will Sprow A. neodioica. 



ANTHEMIS, L. Chamomile. 



A. cotula, L. May-weed. 

 Common. 



ARCTIUn, L. Burdock. 



A. lappa majus, Gray. 



"Bogarf'H. D. Banks. 



