(234 ; A COMPENDIUM OF 
processes. This first method is considered the 
best for procuring a fine quality of oil. Theattar 
of neroli is obtained from the flower, whilst the 
inferior oil or essence of petit grain is obtained 
from the immature fruit and leaf of the tree. 
The immature fruits or berries of the orange 
are to be found in the stores occasionally in 
form of globular-like masses from the size of a 
buckshot to that of a pea, and are known as is- 
sue peas. The oil of neroli has the power of 
turning the plane of polarised light to the right 
(Dextrogyre,) and hence differs from the in- 
ferior grades of oil, 
Chenopodium Anthelminticum, Worm — 
seed, Goose-foot, or Chenopodium Ambrosiodes. 
—Natural order Chenopodiacee, Said to be a 
native of Central America and the West Indies, 
but found growing very abundantly along the 
roadsides of the United States. This perennial 
plant reaches a height of 2 or more feet, adorned 
with oblong, lanceolate, sessile leaves; serrate 
or dentate as to their margins and very promi- 
-nently veined; flowers numerous, of a yellow- 
ish-green color; 5 stamens and 2 stigmas, with 
a fruit about +, of an inch in diameter, of a dull 
green color, globular and depressed. ‘The in- 
_ tegument is friable and contains a_ lenticular 
~ black, glossy seed. This plant is well known 
as the wormseed and Jerusalem oak, both of - 
which names are misnomers; odor penetrating, 
peculiar and of its own kind; taste bitter and 
pungent. Chenopodium contains a large per 
cent. of volatile oil, which will be discussed un- 
der the head of oils. The medical effect of the 
Chenopodium is purely anthelmintic, and it has 
