6l8 COMPOSITAE 



i. P. foetida (L.) B. S. P. In swamps: southern N. J. to Fla. 

 and Tex., mainly near the coast. Also in the West Indies. 

 Known in our area only from southern Cape May Co., N. J. near 

 the sea. 



2. P. camphorata (L.) D. C. In salt marshes: coast of N. H. to 

 Fla. and Tex. 



Common throughout the salt marshes of our area, and up the 

 Hudson to the Piermont " flats." 



23. Antennaria Gaertn. 



Basal leaves arachnoid above, at least when young. 



Basal leaves small, 0.7-2 cm. long, i-nerved, or indistinctly 

 3-nerved. 

 Basal leaves spatulate, abruptly mucronulate. 1. A. neodioica. 



Basal leaves oblanceolate, obtuse or acutish, but not 



mucronulate. 2. A. neglecla. 



Basal leaves large, 2-12 cm. long, distinctly 3-nerved, some- 

 times 5-nerved, the lateral nerves also often prominent. 

 Involucre of fertile plants 6-8 mm. high. 



Basal leaves obovate to spatulate-obovate. 3. A. plantaginifolia. 



Basal leaves nearly orbicular, or rhombic-obovate. 4. A. calophylla. 

 Involucre of fertile plants 8-10.5 mm - high- 5- A.fallax. 



Ba-al leaves bright green and glabrous above from the front. 



Basal leaves large, obovate, 3-nerved 6. A. Parlinii. 



Basal leaves small, spatulate, I-nerved. 7. A. canadensis. 



i. A. neodioica Greene. In dry fields and hillsides: Que. to Yt., 

 Va. and S. Dak. 



Throughout the range, except the pine-barrens, there not re- 

 corded ; more common northward and less common southward than 

 elsewhere. 



2. A. neglecta Greene (A. petaloidea Fernald). In fields and pas- 



tures: Me. to N. Y., Ya. and Wise. 



Throughout the range, but rare in the pine-barrens; always in- 

 creasing northward. 



3. A. plantaginifolia (L.) Richards. In dry soil and open woods: 



Ont. to Fla., 111., Kan. and Tex. 



Common throughout the range except the pine-barrens, there 

 rare. 



4. A. calophylla Greene. 111. and Mo. to La. 



A plant approximating this has been collected, not recently, near 

 Bryn Mawr, New York; otherwise unknown in our area. 



