MARYLAND WEATHER SERVICE 461 



Kneiffia longipedicillata Small. Sundrops. 



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

 Cecil County, Conowingo (406). 



Kneiffia pumila (L.) Spach. Small Sundrops. 



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

 Garrett County, Oakland (541). 



Kneiffia fruticosa (L.) Raimann. Common Sundrops. 



Throughout the state; in dry situations; frequent. 

 Garrett County, Big Savage Mountain (S50). 



Gaura biennis L. Gaura. 



Throughout the state; in waste grounds; locally common. 

 Cecil County, Elkton (377). 



Circaea lutetiana L. Enchanter's Nightshade. 



Throughout the state; in moist forests and flood plains; common. 



Circaea alpina L. Smaller Enchanter's Nightshade. 



Rare in the Midland Zone, common in the Mountain Zone in moist 



forests. 

 Garrett County, Swallow Palls (549). 



HALORAGIDACEAE. 



Proserpinaca palustris Jj. Mermaid Weed. 



Coastal Zone; in marshes, swamps and wet situations with sandy soil, 



also in shallow ponds; frequent. 

 Caroline County, Dover Bridge (2069). 



Myriophyllum verticillatum L. Whorled Water Milfoil. 



Coastal and Midland Zones; in quiet streams and ponds; frequent. 

 Wicomico County, Salisbury (1208). 



Myriophyllum humile (Raf.) Morong. Low Water Milfoil. 



Throughout the state; in ponds as an aquatic, or on mud about ponds 

 and along streams; common. 



Myriophyllum pinnatum (Walt.) B. S. P. Pinnate Water Milfoil. 



Coastal Zone; in ponds and streams; infrequent. 

 Worcester County, Boxiron (1061). 



ARALIACEAE. 



Aralia spinosa L. Hercules' Club. 



Coastal Zone; in upland swamps and moist forests, being most abundant 

 on the Talbot formation on the Eastern Shore. 



Aralia racemosa L. Spikenard. 



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



in moist forests. 

 Washington County, near Rohrersville (1791). 



