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39900. POPULUS SUAVEOLENS PRZEWALSKII. Poplar.
Collected by F. N. Meyer near Kagoba, Kansu, China. Tall, stately
tree with trunk of ashy-gray color, quite distinct from any of the
common poplars; leaves large, somewhat grayish beneath.  Found
usually where soil retains its moisture; of value as an avenue or park
tree for mild-wintered sections of the United States.

38255. POPULUS TOMENTOSA. Poplar. From F. N. Meyer,
Wangyuko, Shensi, China. Rapid-growing form of white poplar,
with whitish bark on the younger branches, becoming gray on the
older ones.  Forms tall, straight trunk when kept trimmed high.
Wood light. Much planted by the Chinese for its timber and called
by them Ta pai yang shu (big white poplar). May thrive in the
southwestern part of the United States.

33206. POPULUS sp. Chopo poplar. From Pedro Giraud,
Granada, Spain, at the request of W. T. Swingle, of the Bureau of
Plant Industry.  Remarkable form of poplar with true lateral
branches almost completely absent, allowing very close planting.
Rapid grower, producing large quantities of timber suitable for
scaffolding or lumber for small packing boxes.

41564. POTENTILLA sp. Cinquefoil. From R. E. Cooper,
Bhutan, India. Small hardy perennial, suitable for border planting
or for use in rockeries.  The leaves are covered with fine white hairs
and form silver rosettes 4 inches across set with sprays of bright
yeUow flowers.

41260. PREMNA MICROPHYLLA. Ornamental, deciduous
shrub collected by F. N. Meyer, Mokanshan, Chekiang, China.  Bush
3 to 10 feet high, with glossy-green leaves resembling those of a lilac,
and panicles of white flowers which later are supplanted by smaU
black drupes. Thrives in semishady places. Of possible value as a
hedge shrub for mild-wintered locations.

40857. PRBIULA LITTONIANA. Primrose. From Dr. C.
Schneider, Arnold Arboretum, Jamaica Plain, Mass.  A beautiful
hardy Chinese primrose, with long flower spikes set thickly with
bloom and rising 2 to 2½ feet. The small petals are a delicate lilac,
and the calyces are a rich maroon. A remarkable effect is produced
when the latter form a long point above a ruff of lilac blossoms,

17154. PRUNUS ARMENIACA. Apricot. From F. N. Meyer,
Tchaching, China.  A large red apricot of good quality.  Budded on
Amygdalus davidiana.
        