EXPLANATION OF THE ILLUSTRATION 
SELAGINELLA AmrsiaAna Darrah. The figure at the 
top shows the megagametophyte figured at the bot- 
tom of the second plate, magnified two hundred and 
twenty-five times. The figure shows cell walls, 
nuclei, and nucleoli, Nitrocellulose peel. 
The figure at the bottom shows the same game- 
tophyte magnified one thousand times. In the 
lower right is shown a moderately well preserved 
mitotie figure. 
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