174 LANDSCAPE GARDENING. 



larger and heavier foliage, will at once produce a charming 

 variety. 



The Three-thorned Acacia has been strongly recom- 

 mended for fiedges. It is too liable to become thin at the 

 bottom, to serve well for an outer inclosure, but if kept 

 well trimmed, it forms a capital farm fence and protection 

 against the larger animals, growing up in much less time 

 than the hawthorn. Like the locust, it has the disadvan- 

 tage of expanding its foliage late in the spring. In the 

 strong rich soils which it prefers, it grows very vigorously, 

 and is easily propagated from seeds. 



The Three-thorned Acacia (G. triacanthos) is the prin- 

 cipal species, and is indigenous to the states west of the 

 Alleghanies. G. monosperma is another kind, which is 

 scarcely distinguishable from the Three-thorned, except in 

 having one-seeded pods. The seedlings raised from G. 

 triacanthos are often entirely destitute of thorns. 



There is a fine species called the Chinese (G. horrida), 

 with larger and finer foliage, and immense triple thorns, 

 which is interesting from its great singularity. A tree of 

 this kind which we imported, has stood our coldest winters 

 perfectly uninjured, and promises to be beautiful and very 

 hardy. Some noble specimens of the common Three- 

 thorned Acacia may be seen upon the lawn at Hyde Park, 

 the fine seat of the late Dr. Hosack. 



THE JUDAS TREE. Cercis. 



Nat. Ord. Leguminosae. l.in. Syst. Decandria, Monogynia. 







A handsome low tree, about 20 feet in height, which is 



