640 



ARBORETUM ET FRUTICETUM BRITANN1CUM. 



The flowers are produced in loose spikes, from the sides of the branches. 

 Ou some there are only female flowers ; on others, hermaphrodite ones ; 

 and on others, male ones ; while on some trees the flowers are found in 

 two of these states, or in all of them. (Don's Mill.) A large deciduous 

 tree. Europe. Height 30 ft. to 80 ft. Flowers greenish yellow ; March 

 and April, before the leaves appear. Samara brown ; ripe in October. 

 Decaying leaves brown and yellow. Naked young wood ash grey. 



124C. r . excelsior. 



Varieties. These are very numerous ; we shall give first those which are allowed 

 to be varieties by botanists, and afterwards indicate those which are treated 

 by botanists as species, and which we have accordingly kept distinct, but 

 which we are decidedly of opinion are nothing more than varieties. 



* F. e. 2 pendula Ait. Hort. Kew. ed. 2. vol. v. p. 475., Lodd. Cat. ed. 

 1836; Frene Parasol, Fr. ; the plate in Arb. Brit. 1st. edit. vol. vi., 

 and our Jig. 1247. Branches pendulous. Discovered, about 

 1750, at Gamlingay, Cambridgeshire ; and subsequently in a wood 

 in Argyllshire. (See Gard. Mag., vol. xiv. p. 124.) 

 F. e. 3 aurca Willd. Enum. p. 1059. F. aurea Pers. Ench. ii. p. 

 604., Lodd. Cat. ed. 1836. Bark of the trunk and branche? yellow 

 and dotted ; and the leaflets sessile, lanceolate, unequally serrated, 

 acuminated, cuneated at the base, and glabrous. It is conspicuous, 



