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Two Pint GAMETOPHYTES IN ONE OVULE. 
By M. S. MARKLE. 
In sectioning some pine material of unknown origin, I recently found 
one ovule that had in it two well-developed gametophytes, each of which 
had developed archegonia. This probably means that two megaspores func- 
tioned instead of the usual one. I understand that the abnormality has 
ulso been noticed by Miss Sargent. The two gametophytes occupied the 
positions shown by the accompanying sketch. 
[21—26988 ] 
