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



If 20. F. (a.) rubicu'nda Base. The reddish-veined Ash. 



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



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

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

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

 May. We have not seen this sort. 



*t 21. F. (a.) longifo v lia Bosc. The long-leaved Ash. 



Identification. Bosc, I.e. ; Don's Mill., 4. p. 56. 



Spec. Char., Sfc. 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.) A tree, from 30 ft. to 40 ft. high ; a native of North America. Introduced in 1824, 

 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., §c. 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, 1 3 ft. high, after being 

 8 years planted. 



*t 23. F. (a.) cine^rea Bosc. The grey Ash. 



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



Spec. Char., tyc. 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. 



2 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. caroliniana alba, 



k F. americaRa alba var., and F. am.'alba aff'inis ; 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'rd/ Bosc. Richard's Ash. 



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



Spec. Char., tyc. 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. 



$ 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., Sf-c. 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 v gra Bosc. The black Ash. 



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



Spec. Char., cfc. 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, 13 ft. high, after being 8 years 

 planted. 



