BY T. WHITELEGGE. , '563 



EXPLANATION OF PLATE XLV. 



Fig. L — Spore, with inatiue antheiidiuni, before the discharge of the 

 antherozoids. The curved line on the surface indicates the exit-slit 

 by which escape is effected. 



Fig.2. — Spore, bearing female gametophyte, showing basal ring of cells, 

 and the apical cells of a pair of archegonia near the summit. 



Fig.S. — (lametophyte, showing a fertilised archegonium projecting from 

 the surface. 



Fig. 4. — (iametophj'te, showing contained embryo, and a numlier of de- 

 veloping rhizoids at the base. 

 All the figures are greatly enlarged, and more or less diagrammatic. 



