loio The Trees of Great Britain and Ireland 



* Buds non-resinous ; bud-scales with free and recurved points. 

 /^^. Pinus Pinaster, Solander. Mediterranean region. Seep. 1 113. 



Branchlets stout. Buds stout, spindle-shaped, pointed, f to i in. long. Leaves 

 5 to 6 in. long, stout, rigid ; resin-canals marginal ; basal sheath 1 in, long. 



44. Pinus Pinea, Linnaeus. Mediterranean region. Seep, 11 19, 



Branchlets slender. Buds ovoid, pointed, f in. long. Leaves 4 to 5 in. 

 long ; resin-canals marginal ; basal sheath ^^ in, long, 

 ** Buds resinous; bud- scales free at the apex. Bark of upper part of the stem 

 reddish and peeling off in thin papery scales. 



45. Pinus sylvestris, Linnaeus. Europe, Asia Minor, Caucasus, Siberia. See 



Vol. in. p. 571. 

 Branchlets shining, greenish. Leaves 2 to 3 in, long, glaucous blue, broad 

 and flattened ; resin-canals marginal ; basal sheath ^ in. long. 



46. Pinus densiflora, S'lebold et Z\\ccz.r\m. Japan. Seep. 1125, 



Branchlets glaucous. Buds \ in. long. Leaves 3 to 4 in. long, dull green ; 

 resin-canals marginal ; basal sheath f in. long, often ending in two long narrow 

 filaments. 



* * * Buds resinous ; points of the bud-scales appressed. 

 f Buds cylindric or spindle-shaped. Leaves i\ to 2) ift- long. 



47. Pinus Montana, Miller. Mountains of central and southern Europe. Seep. 1 127. 



Branchlets brown. Buds ^ to ^ in. long, very resinous. Leaves persistent 

 5 to 10 years, i^ to 2 J in, long ; resin-canals marginal ; basal sheath 2 to ^ in, long, 



48. Pinus contorta, Loudon, Western North America. See p. 11 34. 



Branchlets brown. Buds ^ in. long, very resinous. Leaves persistent 3 to 

 8 years, twisted, i^ to 3 in. long ; resin canals median ; basal sheath ^ in. long. 

 1 1 Buds ovoid. Leaves ^3/06 in. long. 



49. Pinus resinosa, Solander, Eastern Canada ; United States, Minnesota to 



Massachussets. See p. 1140. 

 Branchlets orange-brown. Buds pale brown, ^ to f in. long. Leaves 

 5 to 6 in. long ; resin-canals marginal ; basal sheath -g- in. long. 



50. Pinus Thunbergii, Parlatore. Japan. See p. 1 143. 



Branchlets brown. Buds ^ to f in. long, whitish. Leaves 3 to 4 in. 

 long, rigid, sharp-pointed ; resin-canals median ; basal sheath \ in, long, ending 

 above in two long filaments, 



51. Pinus Laricio, Poiret. Southern Europe, Caucasus, Asia Minor. See 



Vol. II. p, 407. 



• Branchlets brown. Buds \ to i in. long, light brown, tinged with white. 



Leaves 4 to 6 in. long ; resin-canals median ; basal sheath \ in. long. 



52. Pinus leucodermis, Antoine. Bosnia, Herzegovina, Montenegro. See 



Vol. II. p. 424. 

 Branchlets glaucous. Buds \ to i in, long, dark brown. Leaves 2 to 3 in. 

 long, rigid, sharp-pointed ; resin-canals median ; basal sheath \ in. long, 



(A, H,) 



' They are sometimes only 2 in. long in P. leucodermis. No. 52. 



