DICLINIA CONIFERJE. PinUS, 



^43 



species now in England exude a great quantity of re- 

 sin from their branches." 



ll.P. foliis elongatis binis ternatisque tenuibus canalica- varialilis. 

 latis, strobilis ovato-conicis subsolitariis, squamarum 

 aculeis incurvis. — Lambert, monogr. p. 22. t. 15. 

 P. mitis. Mich. arb. 1. p. 52. ^ 3. 

 In most pine-forests : New England to Georgia. T^ . 

 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. variabilis I have taken from Wangenheim, who 

 saw it growing in America, and see no reason for 

 doubting his authority." 



12. P. foliis ternis, vaginis abbrevlatis, amentis masculis rigida, 



erecto-incumbentibus, strobilis ovatis sparsis vel ag- 

 gregatis, squamarum spinis reflexis. — Lambert, mo- 

 nogr. p. 25. t. 18. 19. 



Icon. Lambert. I. c. Mich. arb. 1. p.SQ. t. 8. 



On the plains : New England to Virginia. Tj , 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- serotina» 



bentibus, strobilis ovatis, squamarum aculeis rectis 

 tenuissimis. — Mich.Jl. amer. 2. p. 205. 



P. Taeda alopecuroides. Ait. kcw. 3. t. 368. 



Icon. Mich. arb. 1. p. 86. t. 7. Lambert, monogr. t. ig. 

 f.5. 



On the edges of ponds and swamps : New Jersey to 

 Carolina, f^ • May. v, v. This and the preceding 

 species ripen their seeds only after the second year. 

 I strongly suspect them to be only varieties ; and if it 

 had not been introduced as a species by a very good 

 figure of Michaux's, I should h,ave only given it as 

 such. 



) 4. P. foliis geminis brevlbus acutis, strobilis ovato-coni- pungens. 



cis, aculeis squamarum elongatis subulatis incurvis, 

 inferioribus reflexis. — Lambert, monogr. p. Ql. 

 Icon, Lambert, monogr. t. l6.f. c. Mich. arb. 1 . p. 6l. 



t. 5. 

 On high mountains : on the Grandfather and Table 



