66 ) 
METHODICAL DISPOSITION 
OF THE 
PINES AND SPRUCES 
OF 
NORTH AMERICA. 
INCLUDING THREE EUROPEAN SPECIES. 
Monoecia monadelphia. Linn. Conifères. Joss. 
TWO-LEAVED PINES. 
Cones smooth. 
1. Red (Norway) Pine Pinus rubra. 
2. Stone Pine Pinus pinea. 
3. Gray Pine Pinus rupestris. 
4. Yellow Pine Pinus mitis. 
5. Wild Pine, or Scotch Fir. . . Pinus sylvestris. 
Cones thorny. 
6. Jersey Pine Pinus inops. 
7. Table Mountain Pine. . . . Pinus pungens. 
THREE-LEAVED PINES. 
Cones smooth or with small thorns. 
8. Long-leaved Pine Pinus australis. 
9. Pond Pine. . 
Cones very thorny. 
10. Pitch Pine. 
. . . . . . Pinus rigida. 
11. Loblolly Pine 
FIVE-LEAVED PINES. 
12. White Pine. 
SPRUCES. 
Leaves short and disposed singly round the branches. 
13. Norway Spruce Fir. . . . 
Abies picea. 
14. Black or Double Spruce. . . 
Abies nigra. 
15. White or Single Spruce. . . 
Abies alba. 
Leaves lateral. 
16. Hemlock Spruce 
Abies canadensis. 
17. American Silver Fir. . . . 
Abies balsamifera. 
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