RUBIACE:. 219 
l, especially those of C. liberica, Hiern., from the West 
f Africa. Itis a larger and more robust plant, and 
es at a lower elevation than O, arabica; its berries 
larger. Coffee leaves are preferred by the natives of 
tra to the berries; with boiling water they afford a 
wsparent, brown infusion, which when made sufficiently 
strong is by no means unpalatable. For fnll particulars, see 
Hanbury Science Papers, p. 84. 
Coffee is prepared in the East from the freshly-roasted berries 
hed in a mortar and boiled in water; as soon as the water 
“boils the decoction is ready for use and is taken without sugar 
or milk in small cups (finjan) about the size of a large egg 
mtains therefore hardly any of the caffeine, and its virtues 
t entirely depend upon the aromatic products produced 
ng the process of roasting. Coffee prepared in this manner 
a rapid process of infusion produces mental exhilaration, 
eal activity, and wakefulness. Jomand says, ‘‘ One hun- 
and twenty grams of powdered coffee and 3 litres of an 
on made with 200 grams of different kinds of coffee 
bled me to live for five consecutive days without lennengne. we 
r- 
ordinary occupations, and to usé more and more prolonge | 
cular exercise than I was accustomed to, without any other 
cal injury than a slight degree of fatigue and a little loss 
.” It appears to us highly probable that all the effects. 
ch are stated to be produced by the use of Kola seeds 
Lalso be induced by the consumption of coffee berries. 
r parative experiments are certainly worth trying. 
been proved by experiment that under the influence of _ 
‘theamount of blood circulating inthe brain isreduced, but = 
ebral congestion and drowsiness, it is this con- 
atly which coffee corrects by contracting the blood 
ount of blood in the brain. Co 
ed 
