False Acacia

False Acacia (Robinia) - Beautiful flowering trees for lawn or shrubbery. The common Acacia or Locust Tree (R. pseudoacacia) is of quick growth, hardy, and thrives almost anywhere. The ordinary form, with its white Pea-shaped blossom, in full beauty about the end of July, is the most familiar. Of the numerous varieties the following are the best: Decaisneana, with delicate pink flowers; semperflorens, flowering throughout the summer, and having white blossoms and bright green foliage; and Bessoniana, the thornless branches of which form a dense globular head of deep green foliage, which is retained until very late in autumn, hence its great value as a town or a street tree; mimosoefolia, with finely-divided leaves; fastigiata, of upright growth; crispa, with curled foliage; monophylla, with leaves entire instead of pinnate; umbraculifera, with a spreading head; macrophylla, with large leaves; sophoraefolia, with leaves like the Japanese Sophora; and inermis, with a small head of spineless branches. The varieties of Robinia are very often striking and graceful trees and group hardy. I planted some of the most attractive, but they were always grafted on the common wild kind, which in due time kills the precious variety, often smaller and finer in leaf, and so little by little they gradually perish. After much trouble I was able to get a few little cuttings of the Mimosa-leaved form from a friend at Orleans. These I put in, and are now graceful bushes, quite hardy, and without a sign of going back. This is only one of the many examples of the evils of grafting, the result of which for the trade is serious, because the trees go out of cultivation eventually.

Acacia

prairie acacia

acacia guajillo

cyclops acacia

Robinia Hispida - ose Acacia) is one of the finest of small trees, requiring little room and not fastidious as to soil. It is naturally straggling in growth, 5 to 15 feet high; its foliage is much larger than that of the other Robinias; the clear rose-pink flowers are also larger. A well-flowered specimen is a pretty sight. It flowers in June, but often continues at intervals till autumn. It may be known when not in leaf by the dense rusty hairs covering the young twigs. Its branches are brittle and apt to get broken by high winds, especially if it has been grafted high; therefore choose a spot sheltered from high winds. If the branches become heavy, especially in flower time, support them by stakes. It may be grown as an espalier, like a fruit tree, and this will protect it from winds, or it may be trained against a wall. There are several so-called varieties, but none is more beautiful than the type. N. America.

Robinia Neo-Mexicana - estern Locust Tree.)—A spreading shrub or low tree of 20 to 25 feet. It is a vigorous plant of fine habit, the young shoots, the under side of the leaves, the flower stalks, and the seed-pods covered with short brown bristles; the branches bear two spines at each node. Its bluish-green leaves are rather long and gracefully drooping, while the flowers, of a pale rose color, are carried in short dense clusters towards the end of the summer. It is a useful addition to the group, hardy, and flowering freely when quite small. This is the only kind found in the western states of America. It does not thrive in heavy cold soils. N. America.

Clammy Locust (Robinia Viscosa) - Smaller than the ordinary False Acacia, but is elegant in foliage and beautiful in flower. The flowers resemble those of Decaisnes variety of the common Acacia, being of a pale pink color, but the clusters are shorter and denser. It is a beautiful lawn tree, flowering while the tree is still small; fully grown it is of picturesque habit, from 30 to 50 feet high, thriving best in a deep light soil in a sheltered spot.

Kelseys False Acacia (Robinia Kelseyi) - This is a new kind found by Mr Kelsey, of Boston, a very graceful shrub, pretty in flower and having its seed-pods covered with red bristles. For some time this plant will doubtless be propagated by grafting on the common Acacia, but the sooner we get it from seed the better.

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