494 THE PLANT LIFE OF MARYLAND 



Antennaria neglecta Greene. 



Baltimore County, Cockeysville (\V. Ralph Jones). 



Antennaria plantaginifolia (L.) Rich. Indian Tobacco. 



Throughout the state; in dry forests and open situations; common. 



Gnaphalium obtusifolium L. Sweet Everlasting. 



Harford County, Pooles Island (M. A. Chrysler). 



Gnaphalium purpureum L. Purple Cudweed. 



Coastal Zone; in dry open situations; common. 

 Prince George's County, Upper Marlborough (1541). 



Inula helenium L. Elecampane, Horseheal. 



Midland and Mountain Zones; waste grounds in the vicinity of Cumber- 

 land. Introduced from Europe. 

 Allegany County, Midlothian (S23). 



Polymnia uvedalia L. Yellow Leaf-cup. 



Throughout the state; in moist forests and open situations; frequent. 

 Allegany County, Cumberland (George M. Perdew). 



Polymnia canadensis L. Small-flowered Leaf-cup. 



Upper Midland District and Mountain Zone; in moist forests; frequent. 

 Washington County, Round Top (751). 



Silphium trifoliatum L. Resin Weed. 



Midland and Mountain Zones; in open situations; infrequent. 

 Allegany County. Cumberland (1931); Baltimore County, Loch Raven 

 (Robert K. Miller). 



Chrysogonum virginianum L. 



Montgomery County, Great Palls (Robert K. Miller). 



Heliopsis helianthoides (L.) B. S. P. False Sunflower. 



Midland Zone; in moist and dry situations; infrequent. 

 Cecil County, North East (420). 



Eclipta alba (L.) Hassk. 



Throughout the state; in open wet situations; common. 



Rudbeckia triloba L. Thin-leaved Cone-flower. 



Montgomery County, Great Falls (Joseph H. Painter). 



Rudbeckia hirta L. Black-eyed Susan. 



Throughout the state; in dry open situations; common. 



Rudbeckia fulgida Ait. Orange Cone-flower. 



Baltimore County, Timonium (Robert K. Miller). 



Rudbeckia laciniata L. Tall Cone-flower. 



Throughout the state; in moist open situations; common. 



