1164 Wisconsin Academy of Sciences, Arts, and Letters. 
EXPLANATION OF PLATES. 
Plate LXXII. Hypholoma sublateritium Schaeff. A. Cluster of mature 
plants. B. Young plants showing the veil. C. Young plants 
showing the cobwebby surface of the pileus. 
Plate LXXIII. Hypholoma perplexum Pk. A. Mature plant. B. Plant 
showing the attachment of the gills and the striate apex of the 
stem. C. Gill surface and hollow stem. D. Surface of pileus 
showing the umbo. 
Plate LXXIV. Hypholoma capnoides Fr. Cluster of mature plants. 
Plate LXXV. Hypholoma fasciculare Huds. A. Two mature plants. 
B. Young plants showing the appendiculate veil and fibers re¬ 
maining on the stem. C. Section showing gills and flesh. 
Plate LXXVI. Hypholoma.Plants in various stages of growth. 
Plate LXXVII. A. Hypholoma ambiguum Pk. Young plant showing 
smooth pileus, appendiculate striate veil, striate upper part of 
the stem, surface and bulbous base of the stem. B. Small 
plant of Hypholoma echiniceps Atk. showing surface of the 
pileus. C. Hypholoma lacrimabundum Fr. Young plant show¬ 
ing cortina like veil, surface of the pileus and of the stem. 
Plate LXXVIII. Hypholoma echiniceps Atk. A. Cluster of large 
plants. B. floccose edge of gills X 4. 
Plate LXXIX. Hypholoma velutinum Pers. A. Section showing 
flesh, gills, appendiculate veil and hollow stem. B. Cluster of 
young plants showing surface of the pileus and stem. 
Plate LXXX. Hypholoma candolleanum Fr. A. Striate apex of the 
stem X 4. B. Mature plant showing pileus and stem. C. Mature 
plant showing gill surface. D. Young plant showing acorn- 
shaped pileus and appendiculate veil. 
Plate LXXXI. Hypholoma leucotephrum B. & Br. A. Striate apex 
of the stem X 4. B. Large plant with thick shreddy stem, 
striate at the apex, gill surface. C. Young plants showing 
smooth stems, rugose wrinkled pilei and appendiculate veil. 
Plate LXXXII. Hypholoma cutifractum Pk. Plants in various 
stages of growth, showing splitting, cracking and peeling of the 
pileus. E. Young plant showing veil and section of the hollow 
stem. 
Plate LXXXIII. A. Hypholoma longpipes Pk. Two plants showing 
long slender stems with the base white floccose and the narrow 
pilei, taken from dried plants. B. Dried specimen of Hypho¬ 
loma candolleanum showing thin imbilicate apex of the pileus. 
C. Fully expanded white plant of Hypholoma incertum Pk. 
