TKEES OF NORTH CAROLINA 63 



1916. Examples: Trees on Glenn Burnie Farm, by 

 road to Sparrow's Mill. 



92. Crataegus punctata Jacq. Dotted Thorn. 



A low, broad-topped, very thorny tree; widely dis- 

 tributed farther north, but in this state confined to 

 the western part, where it is common along the cold 

 streams and around the summits of the high moun- 

 tains, ascending to an elevation of 6000 feet. Leaves 

 obovate, l%-3 inches long, %-2 inches wide, jagged 

 toothed, hairy when young, dull grayish-green above, 

 thin ; flowers many in a cluster, hairy ; calyx minute- 

 ly glandular serrate; anthers pink; fruits short-ob- 

 long, l/2-l inch in length, red or yellow, white dotted. 



93. Crataegus collina Chapm. Chapman's Hill Thorn. 



Closely related to the Dotted Thorn, but found in 

 the foot hills, ascending to an elevation of 2500 ft. 

 The anthers are yellow and the fruits are globose, 

 1 /s to % inch in diameter, red, and pale dotted. Fre- 

 quent in fields and open dry woods to the south of 

 Asheville. 



94. Crataegus viridis L. Green Haw. 



A larger, sparsely thorny Haw, reaching a height 

 of 35 feet and a diameter of 20 inches; found in low 

 moist soil along the streams and swamps of the eas- 

 tern part of the state and extending up the larger 

 streams into the mountain section to an elevation of 

 1500 feet. Leaves ovate to oblong-ovate, broadest 

 about the middle, jagged toothed, often three lobed, 



