162 A COMPENDIUM OF 
Rubus Ideeus (raspberry) is also recognized as 
officinal in form of a syrup, probably more as 
an adjuvant and vehicle than from any medicinal 
virtue the plant may possess. ; 
Salix, Willow, Salix Alba, White Willow.— 
Natural order Salicacee. In this genus there are 
many species, all of which differ somewhat in 
their characteristics, They all flower in catkins 
with entire scales; stamens from one to five; 
fruit one-celled; flower has no corolla, The 
willow tree, with its graceful, overhanging foll- 
age, seems to accommodate itself to all parts of 
the world; from the Babylonian willow toa com- 
patatively small twig we find this extensive 
genus of plant life. The leaves in all the varie- 
ties are without Stipules, alternate lanceolate in 
shape, and with serrated edges. The white wil- 
low is anative of Europe, but grows abundantly 
in all partsof America. ‘The bark of the willow 
as found in commerce is collected from the 
branches which are several years old, and occurs 
regular fragments or quills from qiy to sy of 
an inch (1 to 2 millimeters) thick. Externally 
Smooth and glossy and of a brownish-yellow 
bark has 
_ odor; and contains tannin, resin andsalicin, that 
18a glucoside which occurs in white acicular 
_Temedy, but its active principle salicin, which is 
a tonic and febrifuge, the dose of which is from 
3 to 15 grains (0.2 to 1 gram), 
