6iO 



tanadensis. 



rubra. 



PICLINIA CONIFER*. Piims. 



sembles the preceding in several respects, but difVer« 

 ^t 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 years a^o. 



3. P. foliis solitariis planis subdistichis, conis oblongis, an- 



theris clidvn'iis. — Lainhrt. iiioriogr. p. 51. t. 33. 

 On the banks of the Columbia. M. LiwU. On the 

 north-west coast. Merizies. h . v. s. in Herb. 

 Lewis. This elegant and tall tree has some resem- 

 blance to the following one, but the leaves are more 

 than twice the length. 1 have among my specimens 

 two variet'-es, or probably distinct species, which for 

 want of tVuctification I cannot decide : one has acnte 

 loaves, green on both sides ; the other emarginate 

 leaves, glaucous underneath. 



4. P. foliis solitariis planis denticulalis subuistichis, strobilis 



ovatis terminalibus vix. folio longioribus. Lambert, 

 monogr. p. 50. t. 32. 



V. americana. Du Roi harlk. 2. /). 10/. 



Icon. Lnnilert.l. c. Mich. aib. 1. p. 13/. t. 13. JVangh. 

 amer. t. 15./. 3(5. 



In the most northern regions of Canada and on the high- 

 est mountains, as far south as Carolina. V^ . May. 

 V. V. The Hemlock 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. 



5. P. foliis solitariis tetiagonis undique spnrsis erectis strlctl* 



strobilis ovatis, squainis ellipticis margine undulatis 

 apice eroso-denliculalis. — Lambert, viunogr. p. -11. 

 /. 27. 



P. mariana. Du Roi harbk. 2. p. 10/. 



P. denticulata. Mich.Jl. amer. 2. p- 200. 



Icon. Lambert.!., c. Muh. arb. 1. t. 11. Mill. ic. I, 

 t. 1. 



From the more northern parts of Canada to Carolina, 

 throughout the tracts of high mountains. \^ . May. 

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

 its great mechanical use, the tree of whicli that whule- 

 some beverage calk! Spruce Beer is made. 



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



squamis rotundatis subbllobis margine integris. Lam- 

 bert, inonogr. p. 43. t. 28. 

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



