CONIFEBJE. 93 



P. P. var. cretica. Gardens. 



(Cretan Stone Pine.) 

 Has smaller leaves than the species. 



P. P. var. fragiKs. M. du Hamel. 

 (Thin-shelled Stone Pine.) 



The seeds of this variety have thinner shells than 

 the species, for which reason they are preferred by the 

 Neapolitans, by whom they are highly esteemed. 



PINUS PONDEROSA. Douglas. 



(Heavy-wooded Pine.) 



Indigenous to North- We stern America, on the banks 

 of the Columbia and other rivers. A large and robust 

 tree, with few branches, which are placed in distant 

 whorls, from which circumstance, and from the foliage 

 being collected in tufts at the point of the shoots, the 

 tree has a thin appearance. When young the branches 

 are horizontal, but when older they take a downward 

 direction. Leaves from ten inches to a foot long, 

 straight, and stiff. 



PINUS PUMILIO. Hanke. 



(Dwarf or Mountain Pine.) 



SYN. Pinus tatarica. Miller. 

 Pinus pungens. Scopoli. 

 Pinus sylvestris montana. Aiton. 



This .species, under the most favourable circum- 

 stances, never attains a great height, seldom more 



