KEY TO THE SPECIES* 



L Cone-Bearing Trees: Mostly Evergreen. Gymnosperms. 



A. Leaves needle-like, united in bundles. 



Leaves five or more in a bundle White Pine (8) 



Leaves three or rarely four in a bundle. 

 Leaves ten to fifteen inches long ; cones 



five to ten inches long Long-leaf Pine (7) 



Leaves five to ten inches long ; cones 



three to five inches long Loblolly Pine (2) 



Leaves six to ten inches long ; cones less 



than three inches long Pond Pine (6) 



Leaves three to four inches long ; cones 



two to two and a half inches long Black Pine (5) 



Leaves two in a bundle. 



Cones about three inches long, prickles 



stout Table Mountain Pine (4) 



Cones about two inches long or less, prick- 

 les weak. 



Branches scaly ; leaves not twisted. . . . Short-leaf Pine (1) 

 Branches nearly smooth ; leaves twist- 

 ed „. . .Scrub Pine (3) 



B. Leaves single, linear, roundish or flattened. 



Evergreen ; cone not spherical. 



Leaves abruptly narrowed to a little stalk. 

 Leaves extending in one plane ; cones 



y 2 -% inch long Hemlock (12) 



Leaves spreading in all directions ; 



cones 1-1% inches long Carolina Hemlock (13) 



Leaves sessile. 



Leaves nearly round, not white be- 

 neath ; cones pendulous. 

 Leaves bluish-green (glaucous), cones 



persisting for years Black Spruce (9) 



Leaves yellow green ; cones falling 



early Red Spruce (10) 



Leaves fiattish, white beneath ; cones 



upright Balsam (11) 



Not evergreen ; cone spherical. 



Leaves spreading in two roms (one 



plane) Swamp Cypress (14) 



Leaves pressed against the twigs and 



all around it Pond Cypress (15) 



* Numbers preceded by the letter p. indicate the page, all others 

 refer to the plant number. 



