71 
grams. The other fruit, which was approximately the same size, 
was here devoted to increasing the bulk of husk. 
Since no trace of fungus, insect, or bacterial activity could be 
found, no direct evidence as to the cause of the condition of the 
defective fruits could be produced. The probability is, however, 
that the responsibility for this state of the fruiting organs is to be 
See 
Se LF) 
SEN 
uy 
Ve 
gt 
A, normal ; &, sterile fruit. ¢, endosperm. 
a, husk fibers. 4, finer fibers around micropyle. 
4, shell, e, embryo. 
laid to none of these agents, but is the result of the failure on the 
part of the flower to effect pollination. Such failure seems to be 
probably afford an explanation of the absence of seed in the 
specimens under consideration. 
A diagram showing the relative extent of the tissues in the two 
di 
g 
fruits is appended. 
Exsiz M. Kuprer. 
