378 APPENDIX. 



LIRIODENDRON. 



Tulipifera. Tulip Tree. This is one of the largest of our 

 American trees, exceeded only by the Buttonwood in magnitude. 

 The flowers resemble the tulip in shape ; they are produced in 

 June and July, large, brilliant, very numerous, variegated with 

 different colors, among which yellow predominates ; they have an 

 agreeable odor, and, surrounded by luxuriant foliage, they produce 

 a fine effect. The leaves are large, divided into three lobes, of 

 which the horizontal one is notched at the summit, and the two 

 lower ones are rounded at the base. 



LIQUID AMBER. 



L. slyraciflua. Sweet Gum. This tree attains the altitude 

 of fifty or sixty feet in favorable situations. It is garnished with 

 fine foliage, which changes to a dull red with the first autumnal 

 frost. The leaves are deeply palmated, varying in size from three 

 to six inches. The flowers are not ornamental. For variety's 

 sake, a few trees may be desirable for shade. 



PAULO WNIA. 



P. imperialis. This magnificent tree was spoken of in the first 

 edition as being perfectly hardy. It had proved so at that time 

 (1851), having stood well for two winters, but it had not shown 

 any indication of bloom ; since then, the clusters of flower-buds, 

 which nhow themselves in autumn, have been produced repeatedly, 

 but in every instance have perished the following winter. In the 

 winter of 18545, which was a severe, open one, the tree was 

 partially killed, but revived in the summer following, and grew 

 very luxuriantly. The tree was in an exposed situation. Per- 

 haps, in a more sheltered place, it would have met a different fate ; 

 but it is a tree liable to be destroyed or greatly damaged in almost 



