ABIES. 



37 



marshes. Scape terete 6 inches, flowers oft with a 

 fourth part. Figures. Autikon Raf. 8 Ic. N. 

 Sp. 1. Seen dry. 



2. A. PALUSTRIS Raf. Triglochin palustre 

 L &c. Leaves linear shorter than scape, race- 

 me slender, flowers remote erect, capsules con- 

 nected linear equal to pedicels Found on 

 Lake Erie, pedal, leaves very narrow obtuse, 

 scape terete Figure Autikon Raf. 9. Seen 

 alive. 



3. A. PUMILA Raf. Triglochin barrelieri 

 Loesel flora gallica, not in Persoon nor Decan- 

 dole Leaves linear thick equal to scape, race- 

 me 4 or 5 flore, capsules connected linear-oblong 

 longer than pedicels Found on Lake Cham- 

 plain, annual, 2 or 3 inches high, leaves nearly 

 convex beneath, obtuse. Fig. Autikon Raf. 10. 

 Ic. N. Sp. 2. seen alive. 



ABIES. This good Genus of fine trees dis- 

 tinguished by Tournefort, Adanson, Jussieu 

 arid all the correct botanists, was wrongly uni- 

 ted to Pinus by Linneus. The Firs are not 

 Pines ! the habit is very different, and Jussieu 

 has given a long description of the peculiar 

 fructification. The region of Oregon has afford- 

 ed many new Firs, well described by Lewis in 

 1812 and in Atlantic Journal. 



1* A. TRIGONA Raf. 1832. Bark and branches 

 scaly, leaves densely scattered, petiolate tri- 

 gone acuminate and stiff. In Oregon, gigantic, 

 200 to 300 feet high, trunk 40 feet around, 

 leaves 3-fourths of an inch long, one tenth 

 wide. Gigantic Fir. 



2. A. HETEROPHYLA Raf. 1832, Bark ri- 

 mose, leaves distichal petiolate, very unequal, 

 sulcate above, glaucous beneath ; cones termi- 

 nal ovate flexible. In Oregon, reaching 180 



