azé ARBORETUM ET FRUTICETUM BRITANNICUM, 
663. C. O. strict2. 
Ist edit., vol. vi. ; and our fig. 663.) has the shoots upright, and the 
general habit as fastigiate as that of a Lombardy poplar. It was 
discovered in a bed of seedlings in Messrs. Ronald’s Nursery, about 
1825, and forms a very distinct and desirable variety. 
¥ C. O. 3 péndula Lodd. Cat. has drooping branches. A very marked 
variety of this kind, which was selected from a bed of seedlings by 
General Monckton, is said to be in the collection of thorns at Somer- 
ford Hall. 
664. C. 0. regine. 
¥ C. O. 4 reging Hort. Queen Mary’s Thorn. (The plate of the tree in 
Arb. Brit., Ist edit., vol. vi.; and our fig. 664.) The parent tree is in 
