778 
Journal of Agricultural Research 
Vol. XXVII, No. io 
increased by one 2/ u class (from 18 to 20/z and from 14 to i6ju). With this 
probable correction in mind, however, the 400 measurements * here pre¬ 
sented (fig. 1 and Table I) offer a fair basis of comparison with other 
species. 
0.1^^ botany at Radcliffe Co "^' for 
