RECAPITULATION OF THE GROUPS 

 OF PINES. 



Genus PINUS-True Pines. 



Sub-Genus Strobus -Soft Wood or 

 White Pines. 



Group 1. Long-Cone Lumber Pines . . Elongate? 

 2. Alpine White Pines Alpines 



Sub-Genus Pinaster, Hard-Wood 

 Pines. 



Section 1. Sub-terminal-coned Pines . . Terminales 

 Sub-Sec. 1. Short-Leaved Pines . . Brachyphylfa 



Group 1. True Nut Pines Edules 



" 2. Plume-Branched Pines . . Plumosce 



" 3. Thimble-Corie Pines . . . Parviconce 



Sub-Sec. 2. Broken-CorreLumberPines Fracticona 



Group 1. Common Lumber Pines . Communes 



" 2. Little-Known Pines .... Novitates 



Section 2. Lateral-Coned Pines .... Laterales 



'Group 1. Heavy-Coned Pines .... Graves 



" 2. Closed-Cone Pines . Serotince 



