32 
Another Asiatic Honeysuckle, Lonicera Morrowii of the Amour re- 
gion in eastern Siberia, is a plant of great decorative value if sufficient 
space for its development can be provided for it. It has gray-green 
foliage, comparatively large yellowish flowers and bright red fruits. 
It is largely planted in the Boston Parks and in Franklin Park there 
are specimens which are twenty feet across and probably ten or twelve 
feet high. Like other Bush Honeysuckles, L. Morrowii hybridizes 
easily with other species, and most of the plants raised from seeds 
now sold by American nurserymen under this name are hybrids of this 
species with L. tatarica and are erect-growing plants of little value 
for those who want plants with the peculiar habit of L. Morrowii. 
Two trees which add beauty and interest to the Arboretum at this 
time are two Viburnums, the eastern American Viburnums, V. pruni- 
folium, which is already dropping its flowers, and V. Lentago, a bush- 
like tree sometimes thirty feet high. Not many small trees are more 
useful than these American Viburnums for the decoration of American 
parks and gardens, and nurserymen fortunately recognize this fact and 
now grow them in large quantities, especially V. Lentago which is the 
more northern species of the two. The flowers of V. prunifolium are 
whiter than those of V. Lentago which are faintly tinged with yellow, 
but the flower-clusters and leaves of the latter are larger. V. pruni- 
folium is more apt to grow with a single trunk than V. Lentago which 
is often a large arborescent shrub and is a more southern species. 
Magnolia Watsonii is a shrub first found in a Japanese nursery and 
is unknown as a wild plant. Its relationship is with M. parviflora, a 
small Japanese tree which grows as far north as Korea. The Arbor- 
etum has plants raised from seeds gathered in Korea by Wilson which 
have not yet flowered but which ought to be hardier than the Japanese 
plant which is not very satisfactory here. M. Watsonii has usually 
not been hardy in the Arboretum but this year there is a plant on 
Hickory Path near Centre Street covered with blossoms which are ex- 
tremely fragrant, differing in this from M. parviflora, and in its larger 
flowers and shorter flower-stalks. When better known it may prove 
to be only a variety of M. parviflora. 
Daphne genkwa is one of the beautiful shrubs discovered by Wilson 
in western China. It is not a success in eastern Massachusetts but 
this year there is a plant in the Arboretum with a few flowers. On 
Cape Cod and Long Island it grows into a fine shapely round-topped 
bush with bluish fragrant flowers which are followed by yellow fruit. It 
is still very rare in gardens. If the fruit on the few plants known in 
the United States is distributed in good hands it should in the course 
of a few years be common on Cape Cod and southward. 
