56 



39900. POPULUS SUAVEOLENS PRZEWALSKIL 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 sJiu (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. CinquefoU. 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 

 yellow flowers. 



41260. PREMNA MICROPHYLLA. Ornamental, deciduous 

 shrub collected by F. N. Meyer, Mokanshan, Chekiang, China. Bush 

 3 to 10 feet high, with glossy-gi^een leaves resembling those of a lilac, 

 and panicles of white flowers which later are supplanted by small 

 black drupes. Thrives in semishady places. Of possible value as a 

 hedge shrub for mild-wintered locations. 



40857. PRIMULA LITTONIANA. Primrose. From Dr. C. 

 Schneider, Arnold Arboretum, Jamaica Plain, Mass. A beautiful 

 hardy Chuiese primrose, with long flower spikes set thickly with 

 bloom and rising 2 to 2 J 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. 



