iqiq] walker— PLUTEUS AND TUB ARIA 21 



Fig. 82. — Upper portion of section shown in fig. 58; X200. 



Fig. 83. — -Hymenophore at time of appearance of gill salients as seen in 

 upper portion of section shown in fig. 60; X200. 



Fig. 84. — Part of tangential section shown in fig. 57, showing developing 

 palisade layer; X200. 



Fig. 85. — Palisade layer as shown in fig. 59; X200. 



Fig. 86. — Young gill salients from basidiocarp illustrated in fig. 62 ; X 200. 



Fig. 87. — Structure of gills and partial veil in basidiocarp illustrated in 

 fig. 69; X200. 



Fig. 88. — Parallel filaments making up trama of young gills as in fig. 88; 

 X320. 



Fig. 89.— Transverse section of young gill at about same age as preceding; 

 X320- 



Fig. 90. — Transverse section of mature gill showing changes in trama 

 during expansion; X320. 



Fig. 91. — Portion of hymenophore shown in fig. 67; X200. 



Fig. 92. — Part of section shown in fig. 76; X 200. 



Fig. 93. — Detail of surface of mature pileus; X320.. 



