318 The Pines. 



species in this section are Pinus strobus, P. monticola, P. Lambcrtiana, 

 P. flexilis, and P. deflexa. 



1301. In the section Pinaster, the scales are thickened at the apex, 

 and often bear a point or hook. They embrace by far the greater 

 number of species, Avhich may be enumerated as follows the num- 

 ber of leaves in a group being prefixed to each : 



3 to 5. Pinus Parryana Parry's Pine. 

 3. " edtdis Pinon or Nut Pine. 



1 or 2. " monophylla One leaved Pine. 



5. " Balfouriana Balfour's Pine. 



" " var. aristata bristled var. 



2. " resinosa Red or Norway Pine. 

 5. " Torreyana Torrey's Pine. 



5. " Arizonica Arizona Pine. 



3. " ponderosa Western Yellow Pine. 

 " " var. Jeffrey i. 



" " var. scopulorum. 



3. " Chihuahuana. 



2. " contorta Twisted-branch Pine. 

 " " var. Murrayana. 



3. " Sabiniana Hard-nut Pine, or Digger-Pine. 

 3. " Coulteri Coulter's Pine! 



3. " insignis Monterey Pine. 



3. " tiiherculata. 



3. :' tceda Old-field, or Loblolly Pine. 



3. " ' rigida Pitch Pine. 



" var. serotina Pond Pine. 

 2. " inops Spruce, or Jersey Pine. 



" var. clausa. 



2. " pungem Prickly Pine. 

 2. " muricata. , 



2. " mitls Short-leaved Yellow Pine. 

 , '2. " glabra^ Spruce Pine. 



2. " Banksiana Gray, or Scrub Pine. 

 3 to 5. " amtralls Long-leaved Pine. 



2 to 3. " Ettiottii" Old-field," or Elliott's Pine. 



1302. THE WHITE PINE (Pinus strobus). This is the most valu- 

 able- of all the native pines of the Atlantic States, and the one that 



