66 PINES 



[For (ii) (i) Ripe cone tapering from a broad base, 



e p ' erect or spreading ; scales thickened at 



the free end into a rhomboidal apophysis, 

 Avith keel and minute umbo ; seeds with 

 easily separable wings clasping them below ; 

 acicular leaves in tufts of 2 or 3. 



[For (p) ( a ~) Umbo not prolonged into a prickle or 



hook: leaves in tufts of 2. 



* Cones 3 6 cm. long, brown ; seeds 3 6 

 mm.; seed-wing brown, 15 25 mm., some- 

 what pointed. 



t Wing 15 20 mm. x 5 6 mm., broadest 

 just below middle. 



Pinus Laricio, Poir., var. austriaca. Black Pine, 

 Austrian Pine (Fig. 70). 



tt Wing 15 20 mm. x 5 6 mm., greatest 

 breadth in the middle. 



Pinus sylvestris, L. (Fig. 71.) 



Pinus montana is very similar to P. sylvestris, but the 

 seed is rounder, smaller and more sbining, and the cone 

 also somewhat smaller with a blackish ring on the slightly 

 prickly umbo. 



** Cones 10 18 cm. ; seed-wings 25 40 mm. 

 long ; seeds 9 22 mm. 



t Cones fawn -yellow or reddish, shining, 

 12 18 cm. long, oblique ; seeds small, 

 nearly black, 9 10 mm. long, and their 

 large obliquely acute wings 40 mm. long, 

 with violet streaks. 



Pinus Pinaster, Solaud. Cluster Pine (Fig. 72). 



tt Cones 1015 cm., reddish-brown, shining, 

 the minute umbo in a depression ; seeds 



