Cosmos COMPOSITAE Anthemis 



Delaware; also, edge of pine woods s. of Kendall Grove (No), 

 Fernald, Long & Fogg, 5562, 13 Oct. 1935 (P). Introd. from 



Mexico. 



Galinsoga Ruiz & Pavon. 



G. ciliata (Raf.) Blake. (G. parviflora of manuals.) 



Common in waste ground, northern New Castle County; rare 

 southward: Little Creek (K), Larsen, 391, 11 Oct. 1933 (A, P); 

 % mi. s. of Longwoods (Ta), Earle, 3547, 10 May 1942 (P). Sept., 

 mid-Oct. Adv. from tropical America. 



Madia Molina. Tarweed. 

 M. sativa Mol. 



Introduced with grass seed on a lawn in Wilmington, re-appear- 

 ing the following season, but not thereafter: R. R. Tatnall, 31 July 

 1925 (T, P, A, G). Native of CaHfornia. 



Helenium L. Sneezeweed, 



H. nudiflorum Nutt. Purple-headed Sneezeweed. 



Infrequent, in meadows and on roadsides of the Piedmont, and 

 southward on the Coastal Plain: roadside 3 mi. s. of Kenton (K), 

 R. R. Tatnall, 1456, 4 July 1932 (T, P); 4 mi. n. w. of Easton (Ta), 

 Earle, 3387, 5 July 1941 (P). July to early Sept. 



H. autumnale L. Yellow-headed Sneezeweed. 



Common in swamps, meadows, brackish marshes and dune 

 hollows, from the Fall Line southward to Sussex County. Mid- 

 Aug. to early Oct. 



H. parviflorum Nutt. 



One collection: river swamps, Seaford (S), Commons, 31 Aug. 

 1882 (A). Adv. from southeastern U. S. 



^ Achillea L. Yarrow. 



A. Millefolium L, 



Frequent; fields, roadsides and coastal sands. June to Aug. 



Anthemis L. Chamomile. 

 A. Cotula L. 



Frequent in waste places. July, Aug. Nat. from Europe. 

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