11. The Burmese Sesamum Varieties. Notes on their 
Variation and Growth. 
By A. McKErRRAL. 
(With Plate X1.) 
{ Read at the Indian Science Congress, Jany. 1918.] 
1. INTRODUCTORY. 
Sesamum forms one of the genera of the order Pedalineae, 
an order which has its closest affinities with Bignoniaceae and 
Acanthaceae. De Candolle (1) remarks that ‘‘ Sesamum, in 
the widest sense of the name, has ten (species), all African, 
aig perhaps the cultivated species.” Hooker (2) gives 
the plant does not seem to have received the attention which 
Its Importance as a source of oil merits. Thus De Candolle 
Separate the different forms from each other. The author on 
18 subject merely remarks, ‘‘ there are two crops, a rabi an 
cial . and various cultivated forms of the plant, some spe- 
Ne ‘Y Suitable for growing in the kharif season some as early 
ith crops. Two at least of these are easily recognized, one 
They White seeds (safed til), the other with black (kala til). 
i€ latter is much the more common form arid is repu 
account of the 
fertilization and 
. 
