DXCLIJtflA. CONIFERS. PinUS. 
species now in England exude a great quantity of re- 
sin from their branches.” 
11. P. foliis elongatis binis ternatisque tenuibus canalicu- 
latis, strobilis ovato-conicis subsolitariis, squamarum 
aculeis incurvis. — Lavibert. monogr. p. 22. t. 15. 
i P. mitis. Mich. arb. i. p. 52. t 3. 
In most pine-forests : New England to Georgia. Ip . 
May. v. v. The Yellow Pine is the most in use for 
building of houses as well as shipping. Mr. Lambert’s 
note on this species says, “ The height and size of 
P. varialilis I have taken from Wangenheim, who 
saw it growing in America, and see no reason for 
doubting his authority.” 
12. P. foliis ternis, vaginis abbreviatis, amentis masculis 
erecto-incumbentibus, strobilis ovatis sparsis vel ag- 
gregatis, squamarum spinis reflexis .—Lambert, mo- 
nogr.p. 25. t. 18. IQ. 
Icon. Lavibert. 1. c. Mich. arb. 1. p. 89. t. 8. 
On the plains : New England to Virginia. Ip . May. 
v. v. The common Black or Pitch Pine grows in fa- 
vourable situations to a very large tree j it is found 
promiscuously in dry soil and very wet low grounds. 
Mr. Lambert says that his observations on this species 
were taken from Wangenheim. 
13. P, foliis elongatis ternis, amentis masculis erecto-incum- 
bentibus, strobilis ovatis, squamarum aculeis rectis 
tenuissimis. — Mich.jl. amer. 2. p. 205. 
P. Taeda alopecuroides. Jit. kew. 3. t. 308. 
Icon. Mich. arb. l. p. 86. t. 7. Lambert, monogr. 1 . 19. 
f.5. 
On the edges of ponds and swamps t New Jersey to 
Carolina. Ip . May. v. v. This and the preceding 
species ripen their seeds only after the second year. 
I strongly suspect them to be only varieties 5 and if it 
had not been introduced as a species by a very good 
figure of Michaux’s, I should have only given it as 
such. 
14. P. foliis geminis brevibus acutis, strobilis ovato-coni- 
cis, aculeis squamarum elongatis subulatis incurvis, 
inferioribus reflexis.— Lambert, monogr. p. 91. 
Icon. Lambert, monogr. 1 . 1 Q.f. c. Mich. arb. 1. p. 6l. 
t. 5. 
On high mountains. 5 on the Grandfather and Table 
643 
varialilis . 
rigida » 
serotina « 
pungens* 
1 
