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 Hnear 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 TriglocJiin harrelieri 

 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 

 and all the correct botanists, was wrongly uni- 

 ted to Pinus by Linneus. The Firs are not 

 Fines ! the habit is very difierent, 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. TRiGONARaf 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 



