t 

 180 PRACTICAL FORESTRY. 



racemes at the ends of the branches, bright yellow. Pods two to 

 three inches long, containing two to eight seeds. The pods but 

 slightly contracted between the seeds. A small tree twenty to 

 thirty feet high, with light-green, smooth bark. This is the 

 Palo verde of the Mexicans or Green-bark Acacia. Wood hard, 

 and much valued for fuel. 



PAULOWNIA, Siebold. 



A noble Japanese tree introduced into this country nearly 

 forty years ago, and has long been a popular ornamental tree 

 on account of its large tropical-looking leaves, and handsome 

 fragrant flowers. Grows freely from cuttings of the roots or 

 seed. There is but one species. 



Paulownia imperialis. Imperial Paulownia. Leaves large, 

 heart-shaped, resembling those of the catalpa, but usually much 

 larger, and on young, thrifty shoots, they are frequently one to 

 two feet broad. Flowers trumpet-shaped, in large, upright 

 branching panicles, violet color, and fragrant. A very rapid 

 growing tree when young, but after reaching a hight of twenty 

 or thirty feet, the branches spread laterally to a great distance, 

 forming a rather broad, flat head. Hardy at the North, but in 

 the latitude of Boston and Central New York, the flower buds 

 are frequently killed in winter. 



PERSE A, Gsertn. Red Bay. 



A small genus of evergreen trees and shrubs of the Laurel 

 Family. Flowers greenish or white, and the fruit a small ovid 

 drupe. Two species natives of our Southern States, and one in 

 the West Indies. 



Persea Carolmen*is, Nees. Red Bay. Leaves oblong or lanceo- 

 late, smooth, two to three inches long, deep-green above, 

 whitish beneath. Flowers silky, in roundish clusters, on short 

 stems. Fruit deep blue. A large tree, forty to seventy feet high 

 in rich, shady woods of North Carolina to Florida, and west- 

 ward along the coast to Texas. Wood reddish or rose-color, 

 hard, strong, durable, and susceptible of a high polish. 



P. Catfsbyana. Michx. Leaves smooth, lanceolate-oblong, 

 sharp-pointed. Flowers minute, white, and somewhat downy 

 within. Fruit small, black, on ciub-shaped stalks. A small 

 tree, but more often a low shrub. Southern Florida. 



PIKCKNEYA, Michx. Georgia Baric. 

 A genus of one, or at most, two species of small evergreen 

 trees, closely related to the Cinchona, which yields the well 



