Pines 233 
ing. For best development and health, these require somewhat better 
soils than the next group, but will grow in almost any soil. 
Pinus Sirobus Linn. (49), our common White Pine, a large timber 
tree, with a fine feathery foliage, is one of the very best conifers for 
Fic. 73. —~ Greek Pine. Pinus Peuce Griseb. 
northern planting in specimens, groups, groves, hedges, etc. Its range 
extends on the mountains from Canada to Georgia, but in the valley 
it is hardly satisfactory below Mason and Dixon’s line. It is best 
suited to medium soils; in dry and poor soils it remains slender and 
assumes a graceful tapering shape, in compact soils its form becomes 
