
          56491. PYRUS sp. Pear. From Yunnan, China. Obtained by Miss Clara 
Petersen for J. F. Rock, Agricultural Explorer. A vigorous tree from 
the mountains of Puerhfu. The white flowers are borne in great profusion 
and the fruits remain for a long time on the tree, turning black 
and sweet when ripe. This species is used in southern Yunnan as a 
stock for cultivated pears.

56759. PYRUS sp. Pear. From China. Scions presented by K. M. Gordon. 
The Ya li or "duck pear" has orange fruits with thin, smooth 
yellow skin and juicy, white, sweet flesh. It is reputed to be a good 
keeper.

56765. PYRUS sp. Pear. From China. Scions presented by K. M. Gordon. 
The Laiyang is a variety which derives its name from its native 
town in Shantung. The fruit is large and dark-skinned, and is said 
to be very fine-grained, sweet and juicy.

56766. PYRUS sp. Peking White Pear. From Shantung, China. Scions 
presented by K. M. Gordon. The fruit of this variety, which is much 
grown north of Peking, is small and round with light lemon-yellow skin 
and fine-grained, sweet flesh.

55697. RHODODENDRON ARBOREUM. From Darjiling, India. Presented 
by G. H. Cave, curator, Lloyd Botanic Garden. This Himalayan rhododendron 
is variable both in its foliage and in the color of its flowers. 
In one phase the leaves are silvery on the lower surface, while in another 
they have a ruddy wool. The bell-shaped flowers borne in dense 
clusters vary from deep crimson to pure white. The tree sometimes 
reaches a height of 35 feet. Not likely to prove very hardy.

56356. RHODODENDRON FORTUNEI. From Yunnan, China. Collected by 
J. F. Rock, Agricultural Explorer. A shrub, reaching 15 to 20 feet in 
height, which grows on the Likiang Snow Range at altitudes of 9,000 to 
11,000 feet. The leaves are large and smooth and the handsome, fragrant, 
large pink flowers make it a striking ornamental.

50519. RHUS POTANINI. Sumach. From Honan, China. Collected by 
Joseph Hers and presented by Prof. C. S. Sargent, Director of the 
Arnold Arboretum, Jamaica Plain, Mass. A handsome ornamental shrub 
remarkable for the brilliant coloring of its cut-toothed foliage in 
autumn. Insect galls produced on these trees are utilized in China 
as the source of a valuable black dye.

55902. RIBES GLACIALE. From Yunnan, China. Collected by J. F. Rock, 
Agricultural Explorer. A shrub 15 feet high, growing in alpine meadows 
at altitudes of 12,000 to 15,000 feet on the Likiang Snow Range. The 
flowers vary from cream-colored to red, and are followed by ovoid, red 
berries.

55092. RIBES MEYERI TURKESTANICUM. Black Currant. Presented by 
Vilmorin-Andrieux & Co., Paris, France. A shrub 3 to 4 feet high native 
to Turkestan, with reddish purple flowers and deep-purple, shining 
fruits, juicy, but without pronounced flavor.

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