

. 



FIG. 35. Lilitim pkttaeUXph&cwn. A, archesporial cell which is also the megaspore 

 mother-cell ; . synapsis ; C. stage just before splitting of spirem : D, longitudinal 

 splitting of spirem (best seen in threads at the left) ; x 466. Negatives by W. J. 

 G. LAND. 



