342 ARBORETUM Fr FRUTICETUM BRITANNICUM. 
Genus I, 
lalla! 
XANTHO’XYLUM L., and H. B. et Kth. Toe XaANTHOXYLUM, or 
ToorHacnk Tree, Lin, Syst. Dice‘cia Tri-Pentandria. 
Identification. Lin. Gen., No. 150. and 1109, ; Dec. Prod., 1. p..725.; Don’s Mill., 1. p. 801. 
Synonymes. Zanthdxylum (it is thus spelled in many botanical works); Kampménnza Rafin.; 
Clavalier, Fr.; Zahnwehholz, Ger.; Santossilo, Ital. 
Derivation. From zanthos, yellow, and xulon, wood ; from the yellowness of the wood, more espe- 
cially of the roots. The French name means club tree, and the German name, the toothache tree. 
Gen. Char, Calyx short, 3—4-parted. Peta/s equal in number to the lobes 
ofthe calyx, but longer, very rarely wanting.— Zale flowers. Stamens equal 
in number with the petals.— Female flowers. Stamens sometimes wanting, 
or very short. Ovaries 5—1, sometimes equal in number to the petals. 
Capsules 1—5, 1—2-seeded. Seeds globose, dark, shining. (Don’s Mill.) 
Leaves compound, alternate, stipulate, deciduous; pinnately 3—13-folio- 
late. Flowers axillary, small, greenish or whitish. Inflorescence various.— 
Deciduous low trees or shrubs, natives of North America, with prickles on 
the branches, petioles, and midrib of the leaflets. The species in British 
gardens are of easy culture in any common soil, and are easily propagated 
by seeds, layers, or cuttings of the roots. 
4 © 1. X. rraxi’neum Willd. The Ash-leaved ,Xanthoxylum, or common 
Toothache Tree. 
Ly 
191. Xanthoxylum fraxineum 
