Hypholoma fragile Pk. 
FRAGILE HYPHOLOMA 
1 Immature plant showing floccose squamules on the-cap and an ap- 
pendiculate margin 
2 Immature plant showing whitish color of the gills 
3 Mature plant 
4 Vertical section of the upper part of an immature plant 
5 Vertical section of the upper part of a mature plant 
6 Transverse section of a stem 
7 Four spores, x 400 
Extralimital species 
Agaricus approximans Pk. 
APPROXIMATE MUSHROOM 
8 Two immature plants united at the base 
9 Immature plant 
10 Mature plant 
1z Vertical section of the upper part of an immature plant 
12 Vertical section of the upper part of a mature plant 
13 Transverse section of a stem 
14 Four spores, x 400 
Galera besseyi Pk. 
BESSEY GALERA 
15 Immature plant 
16 Mature plant with oval cap 
17 Mature plant with subglobose cap 
18 Vertical section of the upper part of a plant 
19 Transverse section of a stem 
20 Four spores, x 400 
194 
