30 ORD. II. Amentacee. SALIX FRAGILIS. 
remedies, Not only the bark of this species of Salix, but that of 
several others, possess similar qualities, particularly of the Salix alba 
and S, pentandria, both of which are recommended in the foreign 
pharmacopeeias. But in our opinion the bark of the S. triandria 
is more effe€tual than that of any other of this genus; at least its 
sensible qualities give it a decided preference. 
JUGLANS REGIA. COMMON WALNUT-TREE. 
®YNONYMA. Juglans. Pharm. Lond. Nux Juglans sive regia 
vulgaris. Bauh. Pin. p. 417. Tourn. Inst. p. 501. Nux Jug- 
lans. Gerard: Emac. p. 1440. Raii Hist. p. 1376. J. Bauh, 
Hist. vol. i. p. 241. Nux Juglans vulgaris. Park. Theat. p. 1413. 
Juglans foliis septenis, ovato-lanceolatis, integerrimis. Hal. Stirp. 
Helv. n. 1624. Juglans Regia. Ic: Mill. Ilust. Cramer Forstwesen. 
tab. 22, Du Ham. Arb. 2. p. 50. t. 13, Hunt, Evel, 
Class Monoecia. - Ord. Polyandria, Lin, Gen, Plant. p. 1071, 
Ess. Gen. Ch.. Mase. Cal. 1-phyllus, squamiformis. Cor. 6-partita. 
Filamenta, 18. 
Fem. Cal. 4-fidus, superus. Cor. 4-partita. Styli 2, 
Drupa, nucleo sulcato. 
Sp. Ch. J. foliolis ovalibus glabris subserratis subaequalibus. 
THIS is a large tree, and usually sends off many strong spreading 
branches, covered with a greyish bark: the leaves are large, pinnated, 
composed. of several pairs of opposite pinnz, with an odd one at the 
end; they are oval, ‘entire, nerved, veined, pointed, of a pale green 
