35 ^ 
section of the bark with sulpho-vanadic acid the customary violet 
coloration due to strychnine was afforded. This was not given by a 
similar section which had been well washed with an alcoholic solution 
of tartaric acid previous to irrigation with sulpho-vanadic acid. 
In the parenchyme are found a number of groups of sclerenchyme 
with small lumen. These groups are more numerous towards the 
inner side, where they assume a quadrangular shape and are arranged 
very closely together (fig. 2). In longitudinal section these sclileren- 
chymatous fibres are seen to be elongated longitudinally (fig. 3). 
1 If*, a. -J riinsver.'C section of bark of ^luindu. 
L. haracters of the leaf of Mitindu. 
The leaves have not the character of those of the genus Strycknos, 
ut as they were detached when received, it is possible that they are 
not from the same plant as the stem and branches. A photo¬ 
micrograph of the mid-rib of one of the leaves is seen in fig. 4. but in 
view o t e statement of Dr. Etienne that the bark of the plant was 
e part used in medicine, the leaves were not further investigated. 
