A B C LIST OF PERFUMES 57 
Birch Bark, as is well known to those who love books 
as well as flowers, gives its characteristic perfume to 
Russian leather. 
Bitter Almond.— Yielded also by Cherry Laurel (Cerasus 
lauro-cerasus). 
Bluebell (Sczl/a nutans). 
Boronia megastigma..—Nearly all the species have aromatic 
leaves, but in the one named the brown and yellow- 
lined flowers are deliciously fragrant. It is a well- 
known Australian plant, largely grown now for its 
perfume both on the Continent as well as in English 
gardens. 
Boswellia serrata (Frankincense or Gum Olibanum).— 
An Indian tree yielding an aromatic gum that is one 
of the principal ingredients in modern as of ancient 
incense. 
Box Tree (Buxus sempervirens) A well-known native 
evergreen tree which O. W. Holmes describes as 
‘breathing the fragrance of eternity, for this is one 
of the odours which carry us out of time into the 
abysses of the unbeginning past.” 
Buchu.—The leaves of Barosma crenulata. 
Buxus sempervirens (see Box Tree). 
Cajeput (Melaleuca cajeputi and M. minor) yields greenish 
aromatic essential oil, employed as an antispasmodic 
and stimulant. The leaves are used in China and 
Malaysia as a tonic in the form of a decoction. 
Californian Bay. 
Calycanthus floridus (Carolinian Allspice)—Young and 
fresh flowers, as also the bark, agreeably scented. 
Camel Grass (Andropogon lanigerum).—Another scented 
grass allied to ‘‘ Lemon Grass.” 
Camphor (Kopher, H.).— Dryobalanops camphora, D. 
aromatica, and probably other species, forming large 
forest trees in Borneo and other Eastern islands, 
1 Some people cannot smell the odour of this plant. 
