MONOECIA, MONADELPHIA. 18 
j Black Spruce. Double Spruce, 
ii 
I The extract of Spruce^ is prepared from this tree. It is 
l| much used, jjarticularly in making’ a common and wholesome 
|; beverage, called spruce beer. On the Wissahickon; not com- 
|| mon. >2 • May* 
I 3. P. leaves short, in pairs; cones recurved, ob-hiops. 
I| long-conical, the length of the leaves ; acule^ of 
j the scales subulate, upright. — Lambert. 
P. Yirginiana, Du Roi. harbk, 2. p. 35. 
I Icon. Lambert, monog. p. 18 . t. 13. Mich, f. 
j Arbr. forest. 1. t. 4. 
i JSTew Jersey Pine, Scrub Pine, Pitch Pine, 
I A low, straggling, and very common species, particularly in 
j Jersey. I 2 * May. 
4. P. leaves elongated,in pairs, and three’s, sleii- variabiUs, 
der and a little channelled ; cones ovate-coni- 
cal, nearly solitary ; acule^ of the scales in- 
curved — Lambert, 
P. mitis, Mich. f. 
Icon. Mich. f. Arbr. forest. 1. p. 52. t. 3. 
Yellow Pine, 
A very useful species, affording the hardest and best wood 
for floors, &c. In the pine woods of Jersey, and on the 
Wissahickon. I 2 * May. 
5. P. leaves in three’s with short sheaths ; mascu- 
line aments erect-incumbent : cones ovate, 
scattered or aggregated; spines of the scales 
reSexed. — Lambert, 
Icon. Lambert, monog. p. 25. t. 18, 19. Mich, 
f. Arbr. forest. 1. p. 89. t. 8. 
Black or Pitch Pine, 
A tolerably large tree. In pine woods, Jersey, and on the 
Wissahickon. l2 • May. 
