PH^OPHYCE^E 



53 



" sterile," " neutral," and " vegetative " conceptacles ; 

 fasergrilbchcn by the Germans, and cryptcspiliftres by 

 the French. They are regarded by some as incom- 

 plete sexual conceptacles, while others think that 



FIG. 7. n, Tiirbinariaconoiilcs(\ia.\( natural size); b, T. Mmrayana, ditto ; 

 c and <, longitudinal sections of apex ; d, transverse section of ditto ; /, young 

 cryptostoma with hairs ; g, papillate layer lining inner surface of vesicle ; 

 c. d, e,f, g, all highly magnified. (After E. 8. Barton.) 



the fertile conceptacles are merely cryptostomata 

 that have in time come to bear organs of reproduc- 

 tion. A third view of their significance is involved 

 in the contention that neither form is a develop- 



