228 BOTANICAL GAZETTE [SEPTEMBER 
Fic. 35.—Tangential section, showing early stage in organization of 
palisade by hymenophore; gill cavity below; 125. 
Fic. 36.—Tangential section very near stem, showing two broad gill 
salients, covered by palisade; some clavate cells of latter project beyond 
surface, giving rough appearance; note disorganized condition of universal 
veil; X86. 
Fic. 37.—Tangential section, showing even palisade and large gill cavity; 
31. 
Fic. 38.—Section highly magnified to show contrast between pileus and 
gelatinized blematogen; 142 
Fic. 39.—Tangential ston of fruit body with sterile gills; note absence 
of any palisade, and the cystidia, which develop from trama tissue of gill; 
144. 
Fic. 40.—Tangential section, showing normal gills at about same stage 
as preceding; hyphae of trama may be seen turning outward to contribute to 
palisade; cystidia are visible on edges of lamellae; 142 
Fic. 41.—Tracheid of Picea inclosed in tissue of tps: this fruit body was 
in advanced stage of development, with lamellae well differentiated; 230. 
PLATE XX 
Pholiota adiposa 
‘Fic. 1G. 42.—Median section of very young fruit body; am ki aS 
Sp ahmlinalinscaonmeRenaaEE threads radiating from surface 8 
t 1 summit of fruit body; ™43- oe 
og 45- . ee ix ow SDP ORAS Se stem and pileus are well organized . 
and 
hymenophore is forming palisade; heavy blematogen shows no signs of a 
disorganization that occurs later; X18. oe 
Fro, 46.—Tang a same stage in development; because 8 
