XIX. RUTACEJE 77 
2. DICTAMNUS. The classical name of D. albus. — S. Europe 
to China. 
*Dictamnus albus, Linn . ; FI. Br. Ind. i. 487. A perennial, 
heavy-scented herb, covered with small, raised glands. Stems- 
robust, erect, 12-24 in., branched. Leaves gland-dotted, odd- 
pinnate, 6-12 in. ; leaflets 9-15, opposite, sessile, ovate-lanceolate, 
2-4 in., toothed. Flowers 2-sexual, showy, 1-1^ in. long, pink or 
white, in an erect, terminal raceme 6-12 in. long. Sepals 5, 
narrowly lanceolate, persistent. Petals 5, much longer than the 
sepals, lanceolate, nearly equal, spreading. Stamens 10, as long 
as the petals, hairy, glandular, bristle-tipped. Ovary nearly 
sessile, ovoid, rough with glandular hairs, 5-celled ; ovules 3 or 4 
in each cell ; style long, simple. When ripe the carpels separate 
as 2-3-seeded, tomentose, beaked, distinct fruits \ in. long. Seeds 
black, shining. 
W. Himalaya, 6000-8000 ft. — Asia, S. Europe. 
Frequently cultivated in gardens in England. 
3. ZANTHOXYLUM, From the Greek xanthos, yellow, and 
xylon, wood. — Most tropical and warm regions. 
