1144 Wisconsin Academy of Sciences, Arts, and Letters. 
We have used photographs made at Sumner, Washington, for 
some species of which we had no negatives made in; our region. 
Two or three species have been included which have not yet been 
reported in the Great Lakes Region. 
Thanks are due to Prof. R. A. Harper and Dr. Bi. O. Dodge 
of Columbia University for examining species in Dr. Peck’s col¬ 
lection at Albany, X. Y.; to Prof. C. E. Allen and Prof. J. B. 
‘Overton of Madison, Wis. for the loan of literature from the 
University library and 1 to others whose names are mentioned in 
the text for information and help of various kinds. 
Syxopsis of the Species. 
I. Fascicularia. Pileus smooth, dry, bright colored. 
The Hypholoma sublateritium group. 
Hypholoma sublateritium, Schaeff. Plate LXXII. 
Hjypholoma perplexum, Pk. Plate LXXIII. 
Hypholoma capnoides, Fr. Plate LXXIV. 
Hypholoma fasciculare, Huds. Plate LXXV. 
Related species: Hypholoma sublateritium var. squamosum, Cke. 
Hypholoma epixanthum, Fr. Hypholoma elaeodes, Fr. Hypholoma 
dispersum, Fr. 
II. Yiscida. Pileus viscid. 
Hypholoma ambiguum, Pk. Plate LXXVII. 
Hypholoma.Plate LXXYI. 
III. Velntina. Pileus fibrous or scaly. 
The Hypholoma lacrimabundum group. 
Hypholoma lacrimabundum, Fr. Plate 
LXXVII C. 
Hypholoma ecliiniceps, Atk. Plates LXXVII B, 
LXXVIII. 
Related species: Hypholoma rigidipes, Pk. 
The Hypholoma velutinum group. 
Hypholoma velutinum, Pers. Plate LXXIX. 
Related species: Hypholoma velutinum var. leiocephalum B & Br. 
Hypholoma boughtoni, Pk. Hypholoma rugocephalum, Atk. Hypho¬ 
loma pyrotrichum, Fr. Hypholoma delineatum, Pk. 
