39 



A Key To 

 THE TREES OF HARTSVILLE. 



In order to encourage the study of our native trees the fol- 

 lowing key has been prepared for their easy determination by 

 means of the leaves : 



1. CONE-BEARING TREES: EVERGREEN (EXCEPT 



CYPRESS). GYMNOSPERMS. 



A. Leaves needle-like, two or three together in a 



bundle The Pines 



a. Leaves three in a bundle. 



Leaves ten to fifteen inches long; cones very large, six 

 to eight inches long Long-leaf Pine (p. 43) 



Leaves six to ten inches long; cones about four inches 

 long Old-field Pine (p 43) 



Leaves six to eight inches long; cones short and thick, 

 214 to 2% inches long Pond Pine (p. 43) 



b. Leaves two in a bundle. 



Leaves 3% to 4 inches long; cones small, about two 

 inches long Short-leaf Pine (p. 44) 



Leaves iy 2 to 2 inches long; cones small, l}/ 2 to 2 inches 

 long Scrub Pine (p. 44) 



B. Leaves flattened, about % inch long, scattered along slender 



little twigs that fall off in autumn; cones spherical, about 

 i/2 inch in diameter Cypress (p. 44) 



C. Leaves very small, scale-like, cone about the size of 



a pea Juniper (p. 44) 



2. BROAD-LEAVED TREES: MOSTLY NOT EVER- 



GREEN. ANGIOSPERMS. 

 A. Leaves compound; alternate on the twig. 



a. Leaves twice compound; fruit a long pod; trunk and 



branches thorny Honey Locust (p. 51) 



b. Leaves once compound, leaflets less than ten in number; 



fruit a nut, with husk dividing into four parts when 

 ripe. 

 Leaflets generally five (sometimes seven), brown- 



hairey beneath ; nut with a thin husk 



Pignut Hickory (p. 45) 



