MARYLAND WEATHER SERVICE 465 



Cornus amomum Mill. Kinnikinnik. 



Coastal and Midland Zones; in swamps and along streams; common. 

 Worcester County. Snow Hill (10S0). 



Cornus candidissima Marsh. Panicled Dogwood. 



Infrequent in the Midland Zone, common in the Mountain Zone; in moist 



and dry forests. 

 Garrett County, Mountain Lake Park (539). 



Cornus alternifolia L. f. Alternate-leaved Dogwood. 



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



forests. 

 Garrett County, Crellin (1993). 



Nyssa sylvatica Marsh. Black Gum, Sour Gum, Tupelo. 



Throughout the state; in the Coastal Zone it is one of the commonest 

 trees in swamps, both along streams and in the upland, and is an 

 important constituent of all types of forest; in the Midland Zone it is 

 common in flood plains, but infrequent in the upland; in the Mountain 

 Zone it is infrequent, in wet sandy soil and glade and swamp forest. 



Nyssa biflora Walt. Southern Tupelo. 



Coastal Zone; confined to the river swamps of the Pocomoke, where it is 



frequent. 

 Worcester County, Snow Hill (107S) ; Somerset County, near Pocomoke 



City (1149). 



CLETHRACEAE. 



Clethra alnifolia L. Sweet Pepper-bush. 



Coastal Zone; in swamps, moist forests and open wet situations; com- 

 mon. 

 Talbot County, Easton (55). 



PYROLACEAE. 



Pyrola rotundifolia L. Round-leaved Wintergreen. 



Throughout the state, being most common in dry forests of the Midland 

 Zone. 



Pyrola chlorantha Sw. Greenish-flowered Wintergreen. 



Prince George's County, Lanham (Joseph H. Painter). 



Pyrola elliptica Nutt. Shin-leaf. 



Throughout the state; in dry forests; common. 

 Garrett County, Oakland (519). 



Pyrola secunda L. Serrated Wintergreen. 



Charles County, Cox; Prince George's County, Bowie (M. A. Chrysler). 



Chimaphila maculata (L.) Pursh. Spotted Wintergreen. 



Throughout the state; in dry forests; common. 



