Spec. Plant. Willd. iv. 494. Cl. 21. Ord. 8. Moncecia Monadelphia. Nat. ord. Coniferae. G.1711. Male. Calyx four-leaved. Corolla none. Stamens many.

Anthers naked. Female. Calyx strobiles, with a two-flowered scale. Corolla none. Pistil one. Nut with a membranous wing.

* With double leaves.

Species 1. P. sylvestris. The Wild Pine, or Scotch Fir. Med. Pot. 2d edit.1.t.1. Smith, Flora Brit. 1031. Lambert, Description of the genus Pinus, i. t. 1. Michaux, North American Sylva, vol. iii. pl. 138.

* * * * With fascicled leaves.

Species 24. P. Larix. The Larch. Med. Pot. 3d edit. 7. t. 4. Lambert, 53. t. 35.

* # * * # With solitary leaves, distinct at the base.

Species 27. P. Palsamea. Balm-of-Gilead Fir. Lambert, 48. t.3\. Pursh, ii. p. 639. Abies balsamifera. Michaux, iii. pl.

150. Species 32. P. Abies. Norway Spruce Fir. Med. Pot. 3d edit. 4. t. 2. Lambert, 37. t. 25. Abies picea. Michaux, North American Sylva, pl. 146.