GABRIELLE L. C. HOWARD. 39 



which calls for comment is the limitation imposed on the 

 number of possible observations by the labour connected with 

 the raising of all the seed under bag. Many of the types will 

 not set good seed unless they are selfed, and the time taken in 

 carrying out all the details connected with this and the bagging 

 of a large number of plants is considerable. The raising of the 

 seed and the observations on the leaves have to be carried out 

 during the same period, between the formation of the first 

 flowers and the partial destruction of the leaves by death or 

 the ordinary chances of breakage. This in Bihar is a very short 

 period, and even by devoting the whole day to the work the 

 number of observations which can be carried out in the time 

 falls far short of those desired. 



