Harper—Additional Species of Pholiota. 421 
Different views of a form with rugose wrinkled pileus and narrow 
gills. 
Plate XXIII. Annulate form of Hypholoma appendiculatum. = Stro- 
pharia irregularis Pk. or Stropharia longistriata Murr. A. Mature 
plant showing the gill surface and annulus. B. Striate upper surface 
of the annulus X4. C. Cross section of young pileus, under view 
showing (a) the cortical layer, (b) the medullary layer, (c) the sub- 
hymeniai layer, (d) the gills, (e) cross section of the veil attached to 
the stem, (f) Context of the stem, (g) the medullary sheath x4. D. 
Apex of the pileus with the cortical layer peeled off showing the apex 
of the hollow stem. E. Under side of a young pileus showing the 
veil stripped from the stem and splitting into fragments. F. Young 
plant showing the floccose remains of the universal veil on the 
pileus. G. Mature plant showing the striate pileus cracked at the 
apex and the annulus. 
Plate XXIY. Hyphloma hydrophilum Bull. Various views of young and 
mature plants. 
