
          38

HOMOIOCELTIS ASPERA. A Japanese ornamental tree, up
to 60 feet high, having the appearance of a hackberry (Celtis spp.),
with the slender branches forming a dense head, rather inconspicuous,
greenish flowers, and small black drupes. Cultivated for its
foliage and sometimes planted as a shade tree. Not hardy north of
Georgia.

42189. HYDRANGEA BRETSCHNEIDERL From the Arnold
Arboretum, Jamaica Plain, Mass. Ornamental shrub, 8 to 10
feet in height, forming a sturdy bush with flaky bark, nearly oblong,
dull green, slender-pointed leaves, and clusters of white flowers 4 to
6 inches across. The sterile flowers are three-fourths to 1 1/4 inches
across. Flowers in July. Almost hardy in the North. Collected by
Dr. Bretschneider in northern China.

43689. HYDRANGEA ROSTHORNII. From the Arnold Arboretum,
Jamaica Plain, Mass. Ornamental flowering shrub, up to
12 feet in height, with slender-pointed leaves, 4 to 9 inches long, and
flower clusters 4 to 7 inches across. The sterile flowers are white or
purplish and 1 to 1 1/2 inches across. Blooms in July. Native of
western China.

43690. HYDRANGEA XANTHONEURA. From the Arnold
Arboretum, Jamaica Plain, Mass. Hardy ornamental flowering
shrub, up to 15 feet high, with close chestnut-brown bark, bright
green, elliptical leaves, marked with yellow veins and smooth or
slightly hairy on the veins beneath; and rather loose flat-topped
flower clusters. Fertile flowers dull white; sterile flowers creamy, 1 1/4
to 2 inches across. Native of western China.

43691. HYDRANGEA XANTHONEURA SETCHUENENSIS.
From the Arnold Arboretum. Jamaica Plain, Mass. Hardy
ornamental flowering shrub up to 15 feet high, with close, light-brown
bark, bright-green elliptical leaves, very hairy on the under side,
and rather loose flat-topped flower clusters. Fertile flowers dull
white ; sterile flowers creamy white, 1 1/4 to 2 inches across. Native of
western China.

HYMENAEA COURBARIL. Handsome tree with curious compound
leaves consisting of two leaflets. Similar to Bauhinia, but
leaflets not united. The thick woody shells of the large pods contain
a resin said to be used in the manufacture of varnish. Seeds
packed in a thick layer of grayish powdery substance tasting like
licorice root ; commonly eaten, and often sold in the markets. Native
of tropical America.
        