Parr 5, 1916] AGARICACEAE 319 
TYPE LOCALITY: Portville, Cattaraugus County, New York. 
Hasirat: On decayed wood or humus in woods. 
DISTRIBUTION: Canada, New England, and New York; also reported from Michigan. 
ILLUSTRATION: Mycologia 6: pl. 137, f. 9. 
3. Galactopus haematopus (Pers.) Earle, Bull. N. Y. Bot. Gard. 
5: 426. 1909. 
Agaricus haematopus Pers. Obs. Myc. 2: 56. 1799. 
Mycena haematopus Quél. Champ. Jura Vosg. 225. 1872. 
Pileus subfleshy, conic to campanulate-obtuse, cespitose, 1-2.5 cm. broad; surface smooth, 
white to dark-reddish, margin sterile, slightly striate, denticulate: lamellae adnate, subdistant, 
white, concolorous on the edges: spores 6-9 X 5-6 u: stipe rigid, concolorous, white-powdery 
or villous-downy, exuding a blood-red juice when injured, 3-8 em. long, 2-3 mm. thick. 
TyPE LocaLity: Germany. 
Hasrrat: On dead wood. 
DISTRIBUTION: New England to North Carolina and Ohio and west to Washington, Oregon, 
and California; also in Europe. 
InLusTRaTions: Atk. Stud. Am. Fungi f. 100; Fries, Ic. Myc. pl. 83, f. 1; N. Marsh. Mushr. 
Book, facing page 93. 
4, Galactopus sanguinolentus (Alb. & Schw.) Murrill. 
Agaricus (Mycena) sanguinolentus Alb. & Schw. Consp. Fung. 196. 1805. 
Mycena sanguinolenta Quél. Champ. Jura Vosg. 225. 1872. 
Pileus membranous, conic to campanulate-convex, 0.5-1 cm. broad; surface opaque-red 
at first, then gradually more dilute, the umbo deep-purple, margin striate: lamellae ascending, 
crowded, linear, pale-reddish, purplish-black on the edges: spores cylindric-ellipsoid, 8~11 X 
4.5-5 yw; cystidia pointed, reddish-brown, 30 X 11-13 »: stipe weak, flaccid, subconcolorous, 
glabrous, exuding reddish drops when injured, 6-11 cm. long. 
Tyvpr LocaLity: Germany. 
Hasitat: In sphagnum and other mosses or among leaves in moist places. 
DISTRIBUTION: New England and New York, and reported from Michigan and New Jersey; 
also in Europe. 
ILLUSTRATION: Fries, Ic. Myc. pl. 83, f. 3. 
DOUBTFUL SPECIES 
Mycena galopus (Pers.) Quél. Champ. Jura Vosg. 73. 1872. Agaricus galopus Pers. 
Obs. Myc. 2: 56. 1799. Described from Germany, occurring among moss. The species is 
reported from Massachusetts and the Carolinas by the older mycologists. Authentic European 
specimens from Bresadola very much resemble Prunulus alcaliniformis in the dried state. 
34. PRUNULUS (Cesalp.) S. F. Gray, Nat. Arr. Brit. Pl. 1: 630. 
1821. 
Agaricus } Mycena Fries, Syst. Myc. 1: 140. 1821. 
Mycena Quéi. Champ. Jura Vosg. 68. 1872. 
Mycenula P. Karst. Medd. Soc. Faun. on Fenn. 16: 89. 1889. 
Insiticia Earle, Bull. N. Y. Bot. Gard. 5: 425. 1909. 
Basidopus Earle, Bull. N. Y. Bot. Gard. '5: 426. 1909. 
Collopus Earle, Bull. N. Y. Bot. Gard. 5: 426. 1909. 
Stereopodium Earle, Bull. N. Y. Bot. Gard. 5: 426. 1909. 
Linopodium Earle, Bull. N. ¥. Bot. Gard. 5: 427. 1909. 
Pileus convex, the margin at first appressed, solitary, gregarious, or densely cespitose: 
lamellae adnate or adnexed, white or rarely bright-colored, sometimes changing to gray or 
reddish: spores hyaline: stipe central, tubular, dry or viscid, not bleeding when cut. 
Type species, Prunulus denticulatus (Bolt.) S. F. Gray. 
I, SPECIES OCCURRING IN TEMPERATE NortTH AMERICA, EXCEPT THOSE CONFINED 
TO THE PACIFIC COAST 
Pileus 1 cm. or less broad, sometimes reaching 1.5 cm. broad. 
Pileus white or whitish. 
Pileus 2-4 mm. broad, minutely scaly or furfuraceous. 
Stipe 7 mm. long. 1. P. lepiotiformis. 
Stipe 2.5 cm. long. 2. P. tenerrimus. 
