640 DICLINIA CONIFERS, PinUS. 



sembles the preceding in several respects, but diners 

 at first sight in being a smaller tree, the leaves shorter 

 and more erect, and the cones not one fourth the size. 

 Messrs. Frasers iniroduced this tree into England a 

 few )'ears ago. 



taxifolia. 3. p, foliis solitariis planis subdistichis, conis oblongis, an- 



theris didymis. — Liimiert. nio/wgr. p. 51. t. 33. 

 On the banks of the Columbia, M. Lewis. On the 

 north-west coast. Menzie^. Ip . v. s. in Herb, 

 Lewis. This elegant and tall tree has some resem- 

 blance to tliC following one, but the leaves are more 

 than twice the length. 1 have among my specimens 

 two varieties, or probably distinct species, which for 

 want of fructification I cannot decide : one has acute 

 leaves, green on both sides j the other emarginate 

 leaves, glaucous underneath. 



canadensis. 4. P. foliis solitariis planis denticulatis subdistichis, strobilis 

 ovatis terniinalibus vix folio longioribus. Lambert. 

 7nonogr. p. 50. t.32. 

 P. americana. Du Roi har/k. 2. p. 107. 



.^^ Icon. Lambert, l. c. Mich, arb, 1. p. 13/. t. 13. JVangh. 



L,- awer. t. \5. f.'d6. 



5*"' In the most northern regions of Canada and on the high- 



est mountains, as far south as Carolina. Ij . May. 

 V. V. The Hevdock Spruce is a very elegant tree, and 

 grows in some situations to an enormous size ; its 

 bark is a fine substitute for oak-bark in tanning. 



nigra. 5. P. foliis solitariis tetragonis undique sparsis erectis strictis 



strobilis ovatis, squamis ellipticis margine undulatis 

 apice eroso-denticulatis. — Laviberi. monogr. p. 41. 

 t. 27. 



P. mariana. Du Rui h(irbk.2. p. 10/. 



P. denticulata. Mich.fi. amer. 2. p. 206. 



Icon. Lambert. L. c. Mich. arb. 1. /. II. Mill. ic. I. 

 t. 1. 



From the more northern parts of Canada to Carolina, 

 throughout the tracts of high mountains. 1^ • May. 

 V. V. The Black Spruce or Double Spruce is, besides 

 its great meciianical use, the tree of which that whole- 

 some beverage calld Spruce Beer is made. 



Tulra. 6. P. foliis solitariis subulatis, strobilis oblongis obtusis, 



squamis rotundatis subbilobis margine integris. Lavi^ 

 bert. monogr. p. 43. t. 28. 

 Abies pectinata. Lamarck, encycl. Q. t. 523. 



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