4] 
under surface. The white flowers are followed by bright red 
berries. There are many garden forms. Europe. 
Sorbus commixta, Apple Family. P. 22. An oriental cousin 
of our native Mountain Ash, which it closely resembles. The 
pinnate leaves color brightly in the fall and remain on the tree 
for some time. Korea, Japan. 
Albizzia julibrissin. Silk Tree. Mimosa Family. P. 26. A 
small spreading tree with handsome, doubly pinnate foliage. The 
individual flowers are small, but they have long silky stamens anc 
are borne in compact, tassel-like clusters. The color varies from 
— 
pale pink to deep pink and the flowers are produced over a long 
period in summer. Persia to central China. 
Maackia amurensis, Pea Family. P. 26. One of the few trees 
that bloom in July. The upright clusters of fragrant white flow- 
ers are not particularly handsome, but they are freely produced 
and a tree in full bloom is attractive. Japan. 
Evodia hupehensis. ue Family. P. 27. A small tree with 
much character. In habit it is more or less round-topped, with 
pinnate leaves and flat clusters of inconspicuous flowers. The 
foliage remains green until late in the fall, which would make it 
a good street tree. Makes an interesting lawn specimen. China. 
Poncirus trifoliata, Trifoliate Orange. Rue Family. P. 27. 
The hardiest member of the orange group. In May the white 
— 
flowers open before the leaves, on flattened or twisted green 
branches. The ornamental fruits ripen in the fall; they are bitter 
and have little pulp. The Trifolate Orange is used as an under- 
— 
stock in grafting citrous fruits. Because of its strong sharp spines 
it is sometimes used as a hedge plant in milder climates. Northern 
China, Korea. 
Picrasma quassiotdes. Quassia Family. P. 27. Though closely 
related to Ailanthus it 1s more refined and has no troublesome 
traits. A small tree with glossy dark green leaves and long slender 
branches that at first are ascending but later tend to droop, some- 
what like pin oak. Bark very bitter; flowers inconspicuous, 
China, Japan. 
Rhus verniciflua. Lacquer Tree. Cashew Family. P. 28. A 
stout-branched tree with large pinnate leaves. The tiny flowers 
are borne in large showy clusters, and the yellow pea-like fruits in 
