462 THE PLANT LIFE OF MARYLAND 



Aralia nudicaulis L. Wild Sarsaparilla. 



Rare in the Coastal Zone; common in the Midland and Mountain Zones; 



in moist and dry forests. 

 Baltimore County, Western Run (1402). 



Panax quinquefolium L. Ginseng. 



Rare in the Lower Midland District, infrequent in the Upper Midland 



District and Mountain Zone; in moist forests of mountain slopes. 

 Washington County, Round Top (749). 



Panax trifolium L. Dwarf Ginseng. 



Midland and Mountain Zones; in moist forests; infrequent. 

 Baltimore County, Western Run (1391). 



UMBELLIFERAE. 



Daucus carota L. Wild Carrot, Queen Anne's Lace. 



Throughout the state; in waste grounds and fields; common. Introduced 

 from Europe. 



Angelica villosa (Walt.) B. S. P. Pubescent Angelica. 



Infrequent in the Coastal Zone; common in the Midland and Mountain 



Zones; in dry open forests, being most frequent in the cut-over 



forests of the mountain ridges. 

 Cecil County, Hog Hills (389). 



Oxypolis rigidus (L.) Britton. Cowbane. 



Throughout the state, being common in the fresh marshes and swamps 

 of the Coastal Zone, and frequent in swamps and open wet situations 

 in the Midland. 

 Allegany County, near Cumberland (976). 



Heracleum lanatum Michx. Cow Parsnip. 



Midland Zone; in open situations in moist flood plains; frequent. 

 Harford County, Glenville (1568). 



Pastinaca sativa L. Wild Parsnip. 



Throughout the state; in cultivated and waste grounds; common. 

 Introduced from Europe. 



Thaspium barbinode (Michx.) Nutt. Meadow Parsnip. 



Throughout the state; in open moist situations; frequent. 



Thaspium trifoliatum (L.) Britt. Purple Meadow-Parsnip. 



Upper Midland District. 



Lilaeopsis lineata (Michx.) Greene. Lilaeopsis. 



Coastal Zone; being confined to shallow water and tidal flats in the 

 brackish and fresh water of the upper Chesapeake Bay and its tribu- 

 taries; frequent. 

 Kent County, near Chestertown (1708). 



Eryngium aquaticum L. Rattlesnake-master. 



Montgomery County, Cabin John (Robert K. Miller). 



