CHAP. LXXV. OLEA'CE^:. FRA'XINUS. 1239 



20. F. (A.) RUBICU'NDA Bosc. The reddish-veined Ash. 



Identification. Bosc, 1. c.; Don's Mill., 4. p. 56. 



Spec. Char., Sec. Leaves with 3 pairs of coriaceous leaflets, rather tomentose beneath, oblong, acute, 

 a little toothed, and having the veins and petioles reddish beneath. 15uds and branchlets grey. 

 (Don's Mil/., iv. p. 56.) A tree, a native of North America. Introduced in 1824, and flowering in 

 May. We have not seen this sort 



U 21. -F. (A.) LONGIFO^LIA JBosc. The long-leaved Ash. 



Iiientification. Bosc, l.c. ; Don's Mill., 4. p. 56. 



Spec. Char., $(c. Leaves with 3 pairs of leaflets, shining above, but tomentose beneath, and on the 

 petioles. Leaflets oblong-lanceolate, acuminated, a little toothed. Branches hairy. (Don's Mill., 

 iv. p. 56.J A tree, from 30ft. to 40ft. high ; a native of North America. Introduced in 18'24, 

 and flowering in May. We have not seen this sort. 



22. F. (A.) VI'RIDIS Bosc. The green Ash. 



Identification. Bosc, 1. c. ; Don's Mill., 4. p. 56. ; Lodd. Cat., ed. 1836. 



Spec. Char., tyc. Leaves with 3 pairs of leaflets, shining above, but the veins 

 are downy beneath ; leaflets oblong, acute, sharply and unequally serrated. 

 Branches green. (Don's Mill., iv. p. 56.) A tree, a native of North Ame- 

 rica. Introduced in 1824, and flowering in May. A tree of this sort, in the 

 arboretum of the Horticultural Society, was, in 1834, 13ft. high, after being 

 8 years planted. 



? 23. F. (A.) CINE V REA Bosc. The grey Ash. 



Identification. Bosc, 1. c. ; Don's Mill, 4. p. 56. ; Lodd. Cat, ed. 1836. 



Spec. Char., fyc. Leaves with 3 pairs of glabrous leaflets, but the veins are 

 rather pilose beneath; leaflets lanceolate, unequally toothed. Buds linear, 

 grey, pilose. (Don's Mill., iv. p. 56.) A tree, a native of North America. 

 Introduced in 1824, and flowering in May. There are plants of this sort 

 in the arboretum of Messrs. Loddiges. 



24. F. (A.) A'LBA Bosc. The white Ash. 



Identification. Bosc., 1. c. ; Don's Mill., 4. p. 56. 



Synonymes. In the Horticultural Society's Garden there are, or were lately, F. carol iniana felba, 

 F. americana alba var.,and F..am.'-j]ba aff'lnis ; but, whether any of them is asynonyme of the F. 

 alba of Bosc, we are unable to determine. 



Spec. Char., Sfc. Leaves with 3 pairs of leaflets, hairy beneath, and on the petioles. Leaflets lan- 

 ceolate, unequally and sharply toothed, acuminated. Branches grey. (Don's Mill., iv. p. 56.) A 

 tree, a native of North America. Introduced in 1823, and flowering in April and May. We are 

 not aware of any sort being in British gardens under this name : the white ash of Cobbett is our 

 F. americana. 



25. F. (A.) RICHA'RDI Bosc. Richard's Ash. 



Identification. Bosc, 1. c. ; Don's Mill., 4. p. 56. ; Lodd. Cat., ed. 1836. 



Spec. Char., fyc. Leaves with 3 pairs of oblong, acute, toothed, glabrous 

 leaflets ; but the veins are rather pilose beneath. Branches cinereous, pilose 

 at the base. (Don's Mill., iv. p. 56.) A tree, a native of North America, 

 and flowering there in April and May. Introduced in 1812. There are 

 plants of this sort in the arboretum of Messrs. Loddiges. 



2 26. F. (A.) OVA'TA Bosc. The ovate-leaved Ash. 



Identification. Bosc, 1. c. ; Don's Mill., 4. p. 56. ; Lodd. Cat., ed. 1836. 



Spec. Char., fyc. Leaves pilose beneath, with 3 pairs of leaflets, that are ovate, 

 acute, equally toothed. Buds fulvous. (Don's Mill., iv. p. 56.) A tree, a 

 native of North America, and flowering there in April and May. Introduced 

 in 1812. There are plants in the Hackney Arboretum. 



27. F. (A.) NI'GRA Bosc. The black Ash. 



Identification. Bosc, L c. ; Don's Mill., 4. p. 56. ; Lodd. Cat, ed. 183d 



Spec. Char., Sfc. Leaves with 3 pairs of glabrous leaflets, which are oblong, 

 acuminated, somewhat sinuately toothed. Branches blackish. (Don's Mill., 

 iv. p. 56.) A tree, a native of North America, and flowering there in April 

 and May. Introduced in 1825. A plant of this sort, in the arboretum 

 of the Horticultural Society, was, in 1834, 13ft. high, after being 8 years 

 planted. 



