Wide climatic range, but liable to frost when young; light
needing ; secondary in forestry.
Adapted to a variety of soils, but best in a moist, strong, loamy
one.
Exceedingly rapid grower; sprouts vigorously from the stump ;
)eding:
ive to the soil; most readily propagated.
light needing: thinning mU rapidly; short-lived and exhaust-



Has lieen recommended for planting on Western prairies,

icii " "



chiefly on account of its rapidity of growth, ease of procuring
plant* material, and of propagation. In forestry should be
used only as a nurse with better and sha-dy kinds.
Northern and Northeastern States. Northent States, in moist situations; grows well in all fresh

upland soils.
Northern United States



Northern aufl Southwestern
(in United Stiites) ; in Pacific re-
gion, from 6,000 to 10,000 feet ele-
vation.
A substitute for Cottonwood in the most northern localities.
Thrives in moist, rich, well-drained soils.
Of value mainly as a tree naturally covering denuded mountain
sides and its a quick-growing nurse for better kinds.
Note 1. — Trees which may be looked to as capable of enduring more or less unfavorable sites:

Dry to barren soils : Nos. 2. 3, 4, 5, 11, 15, 30, 31, 47, 48, 53, 64, 66, 68, 82, 87, 93.
Insufficiently drained soils : Nos. 3, 9, 21, 28, 31, 32, 41, 50, 54, 65, 76, 82, 85, 86, 91, 96.
Stiff soils : Nos. 31, 32, 53, 54, 67, 73, 74, 77, 84, 85.
Prairie planting : Tried, Nos. 1, 4, 17, 25, 30, 31, 47, 61, 57, 59, 60, 62, 63, 64, 66, 67, 68, 70, 73, 75, 77, 78, 79, 81, 82, 84, 85,
87, 89. Worthy of trial, Nos. 2, 7, 11, 31, 40, 48, 69.
