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55996. PYRACANTHA sp. Malaceae, Firethorn, From Yunnan, China.
Collected by J. F. Rock, Agricultural Explorer. A shapely ornamental
shrub 10 to 15 feet high found growing along stream beds. It is
covered with bright-scarlet berries from August until winter. Probably
hardy as far north as Philadelphia. (Chico, Calif.)

55997. PYRACANTHA sp. Malaceae. Firethorn. From Yunnan, China.
Collected by J. F. Rock, Agricultural Explorer.  A dense shrub, 6 to
8 feet high, which grows in arid situations in the valleys south of
Likiang.  It has bright-yellow berries instead of the scarlet fruits
so common in this genus. Probably tender north of southern Ohio. ( Chico,
Calif.)

64221. PYRACANTHA sp. Firethorn. Malaceae. From Ching Kang San,
Hupeh, China. Presented by Rev. A. S. Cooper. The firethorns are
ornamental shrubs grown chiefly for their bright-red fruits; this
Chinese species is as yet unidentified. Probably tender north of
southern Ohio, (Bell, Md. )

62025. QUERCUS LUCOMBEANA. Oak. From Kew, England. Presented by
Dr. A. W. Hill, Director, Royal Botanic Gardens. A handsome, sturdy
oak, a hybrid between Quercus suber and Q. cerris. It produces fertile
acorns, from which have been raised numerous seedling forms of widely
varying characters.  Introduced chiefly for specialists studying hybrid
oaks. (Bell, Md.)

62230. RHAMNUS DAVURICA. From China. Collected by P. H. Dorsett,
Agricultural Explorer.  A large, spreading shrub having rather small,
deep-green leaves and numerous small, purple or black fruits. The
branches are stout and thorny, and the oblong, leathery leaves are grayish 
green beneath. It is native to northern China and Siberia, and is
probably hardy throughout the United States. (Chico, Calif.)

61939. RHAMNUS GLOBOSA. From Chihli, China. Collected by P. H.
Dorsett, Agricultural Explorer.  A thorny shrub which grows wild in
exposed places in northern China, which may be of value as a hedge
plant. Probably hardy throughout the United States. (Chico, Calif.)

63366. RHAMNUS UTILIS. From Nogent-sur-Vernisson, Loiret, France.
Presented by M. L. Pardé, Directeur de l'Arboretum National des Barres.
A hardy, shrubby tree of ornamental appearance, with light-green,
opposite leaves. Native to central and eastern China, For trial throughout 
the United States. (Bell, Md. )

56857. RHODODENDRON DELAVAYI. From Yunnan, China. Collected by  J. F.
Rock, National Geographic Society, Washington, D. C.  A shrub 5 to 6
feet high which grows at an altitude of 9,000 feet, about 10 miles
north of Tengyueh. The very narrow leaves are pale brown beneath, and
the crimson flowers, which are not fragrant, are in terminal clusters.
The flowers appear in early February in Yunnan. (Bell, Md. )
        