38 ABIES. 



feet, leaves one fourth to one inch long, but all 

 one twentieth wide. OddleaJ Fir. 



3. A. AROMATIC A Raf. 1832. Branches bul- 

 late balsamiferous, leaves densely scattered 

 forming 3 rows, sessile lanceolate obtuse, flexi- 

 ble sulcate and shining above, gibbose beneath. 

 In Oregon, reaching 100 feet, blisters on the 

 branches filled with a fine aromatic balsam, 

 leaves very small one eighth of an inch long, 

 one sixteenth wide. Aromatic JFVr, 



4. A. MICROPHYLA Raf. 1832. Bark rimose, 

 branches not bullate, leaves densely scattered 

 forming 3 rows, sessile acute sublanceolate. 

 In Oregon, reaching 150 feet high, like the last, 

 but yielding no balsam, leaves still more min- 

 ute, only one-twelfth of an inch long, one 24th 

 wide, wood white and tough. Scaly Fir. 



5. A. MUCRONATA Raf. 1832. Bark scaly, 

 branches virgate, leaves scattered very narrow, 

 rigid and oblique, sulcate above, pale beneath: 

 cones ovate acute, scales rounded nervosemucro- 

 nate. In Oregon, reaching 150 feet, leaves sub- 

 balsamic, one inch long, one 20th wide, cones 

 very large two 1-2 inches long. Large cone Fir. 



Var. palustris. Only 30 feet high, branch- 

 es spreading. In swamps. 



6. A. FALCATA Raf. 1832. Bark scaly, 

 leaves in 3 rows, 2 rows upright, one row de- 

 clinate falcate, all linear lanceolate with tri- 

 gone petiols: cones fusiform obtuse at both 

 ends. On the sea shore of Oregon, rising only 

 35 feet, leaves three 4ths of an inch long, one 

 5th wide. Sickle Fir. 



Of the Atlantic Firs we have 7 or 8 species, 

 all called Pinus! 



7. A. TAXIFOLIA Raf. Pinus, Lambert and 

 Eaton. Yew leaf Fir. 



