164 AMERICAN HANDBOOK 



the flowers varying slightly in color from 

 seed. Seed treated as horsechestnuts, make 

 fine plants. . The flowers appear later than 

 the horsechestnut, and the leaves fall earlier. 

 The P. macrostachya is a strong growing 

 and highly ornamental shrub, of which there 

 are several varieties. . t ;, v * 



PAULOWNIA, Siebold. Nat. Ord< Scrophu- 

 lariaceae. Didynamia, Angiospermia, Linn. 

 Calyx 5-cleft; segments equal, coriaceous, 

 covered with a rusty down. Corolla 2 -lipped, 

 imbricated in its aestivation; the two upper 

 lobes external. Fruit ovate, with a sharp 

 point. 



P. IMPERIALIS, Siebold. The only known 

 species is a native of Japan, and thrives ad- 

 mirably in this climate. It is as rapid a 

 grower as the ailanfhus r the wood and trunk 

 of the tree also resembling it. The leaves 

 are rather coarse, looking like large melon 

 leaves ; but the beauty of the large clusters 

 of sky-blue flowers which appear in June, 

 covers all blemishes. It will thrive in any 

 good loam, and may be readily propagated 

 by cuttings of the roots. 



