OF ORNAMENTAL TREES. 163 



which, it may be propagated ; or more exten- 

 sively by layers, put down before the burst- 

 ing of the buds in spring; or by seeds, when 

 they can be obtained, which, however, often 

 lie two years in the ground before growing. 

 The best Bartram specimen is thirty feet 

 high and two feet in circumference. 



PA VIA, Boerhave. Nat. Ord. Sapindacese. 

 Heptandria, Monogynia, Linn. Calyx tu- 

 bular. Petals 4, erect, narrow. Stamens 

 straight. Capsules smooth. 



P. FLAVA, De Gandolle. Leaflets 5-7, ellip- 

 tic-oblong, acute at both ends, equally ser- 

 rate. Yellow buckeye. Native of the 

 Southern and Western States. Flowers in 

 June. 



Grows considerably larger than the British 

 horsechestnut, but has a less spreading and 

 beautiful head. Its habit of growth is quite 

 rugged and stiff, strongly resembling, at a 

 distance, magnolia auriculata. It thrives well 

 in a loose loam, on a dry bottom. The best 

 specimen at Bartram measures 110 feet high 

 and seven feet one inch in circumference. 



In the nurseries, these are usually grafted, 



