SHADE TREES. 



293 





ly succession, the whole circumference, during most of the 

 months of May and June. Its timber is soft, 

 but useful for some purposes. 



The Pecan (Fig. 74) is a deciduous, nut- 

 bearing tree, of the walnut tribe, and grows in 

 the same latitudes as the live-oak and magnolia. 

 It is much taller than either," and somewhat 

 resembles in its growth the rock maple of 

 the North. The nuts are of considerable value 

 IG<74< as an article of food and export. 

 The Paper Mulberry (Fig. 75) is- a handsome shade 

 tree. It is a native of Japan, and 

 was introduced into this country in 

 1784. Its wood and timber are of little 

 value ; but great merit is claimed for its 

 leaves as forage for cattle ; for its sap as a 

 substitute for glue ; and for its bark as a 

 material for both cloth and paper. It is 

 hardy enough for any part of the United 

 States, south of 42.' 



The Lombardy Poplar (Fig. 76) is too well known to 

 ^ need description. It is strictly a foreigner, 



as its name imports, and was introduced into 

 this country only in the latter part of the 

 last century, to any extent. For many 

 years it was popular, and being of rapid 

 growth and easily propagated by twigs or 

 cuttings, it was soon disseminated through 

 the country. Being short-lived, many of the 

 earliest trees have long since died ; and a 

 judicious taste has nearly exterminated the 

 remainder. It has a prim, grenadier-like 

 stiffness ; but their double files, which some- 

 times line the country roads, add a pleasant 

 feature to the distant landscape. Its wood and timber are 

 almost worthless, being light, porous and unsubstantial. 

 The Tulip Tree (Fig. 77) is one of our most beautiful 

 native shade trees. It abounds on this 

 continent, south of latitute 43, and a little 

 distance from the Atlantic coast. It grows 

 lofty and large, with a symmetrical top, 

 of great beauty. It has a smooth 

 polished trunk when young, which never 

 becomes very rough or jagged by age. It 

 bears a profusion of delicate, greenish- 



