DECIDUOUS 



iESCULUS. Horse-Chest nut 



JE. Hippocastanum. European Horse-Chestnut. (Lm) A tree of hand- 

 some, regular outline and very hardy. In May it is covered with magnificent 

 erect spikes or panicles of white flowers, lightly marked with red. It has no 

 superior as a lawn or street tree. (See plate on page 41.) 



IE,. Hippocastanum, var. alba flore pleno. Double White -flowering 

 Horse-Chestnut. (L z>) A superb variety of handsome, regular outline and 

 pyramidal habit. Its dense top is covered in May with double white flowers 

 in large panicles, much larger than those of A. Hippocastanum. 



IE,. Hippocastanum, var. rubicunda. Red-flowering Horse-Chestnut. 

 (M m) A handsome and desirable variety, not forming so symmetrical a top 

 as the other sorts, but the foliage is good and the red flowers very attractive. 



JE. glabra. American Horse-Chestnut. (Mr) A native variety of 

 open, spreading growth. The flowers, appearing in May, are greenish yellow 

 A good street tree. 



JE. parviflora ; syn., Pavia parviflora. See Shrubs. 



AILANTHUS 



A. glandulosa. Tree of Heaven. (L r) Ornamental tree, with loose, 

 somewhat spreading habit and elegant, palm-like foliage. Thrives in any soil 

 or situation, and is especially desirable for situations where soil is too poor for 

 successful growth of other trees, and for smoky cities. Fertile trees should be 

 planted, because the male exhales a disagreeable odor when flowering. 



ALNUS 



A. glutinpsa. European, or Black Alder. (Mr) A vigorous -growing 

 tree with dull, dark green foliage. Valuable for planting in damp situations. 



A. glutinosa, var. imperialis. Cut-leaved Alder. (Mr) A strong- 

 growing, ornamental variety, with deeply pinnately-lobed leaves. 



AMELANCHIER 



A. Canadensis. Shad-bush. (D r) A form varying in size, sometimes 

 hardly more than a bush. Bears white, cherry-like blossoms in May or June, 

 and these are followed by small purplish fruits, sweet and edible. 



A. Botryapium. Dwarf Juneberry. See Shrubs. 



ANDROMEDA. See Oxydendrum 



ARALIA 



A. Chinensis ; syn., Japonica. Chinese Angelica Tree. (D r) A tree 

 of highly ornamental subtropical appearance. The stem is very prickly ; 

 leaves I )4 to ^ l ^. feet long, the branches crowned with great clusters of 

 white flowers in August. Grows well in dry, rocky or clayey soil. 



A. pentaphylla ; syn., Acanthopanax spinosa. See Shrubs. 



A. spinosa. Hercules' Club. (D r) Resembles^. Cbinensis ; flowers a 

 little later. A good grower in dry, rocky or clayey soils. 



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