544 



MOSSES AND FERNS 



T. alatum, 361, 369 ; apogamy and apo- 

 spory, 369 



brachypus, 367 



cyrtotheca, 369 ; development of spor- 

 angium, 368, 369. Figs. 190, 191 



Draytonianum. Fig. 186 



pyxidiferum, 361, 367 



radicans, 366, 367 



reniforme, 366 

 Trigonanthece, 113 

 Trochopteiis elegans, 370 



Vascular cryptogams (see Pterido- 



phytes) 

 Viscum, 480 

 Vittaria, 221, 375, 376 



Walking Fern (see Camptosaurus) 

 Webera nutans, 152 

 Weisia, 152 



Yucca, 292 



THE END 



i 



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