Part 3, 1917] AGARICACEAE 159 
3. Tubaria alabamensis Murrill, sp. nov. 
Pileus subcampanulate, obtuse, solitary or gregarious, reaching 1 cm. broad; surface 
clothed with white, silky hairs when young, becoming glabrous, brown when moist, argillaceous 
when dry, margin even, or subsulcate on drying; lamellae long-decurrent, arcuate, subdistant, 
pale-cinnamon-colored; spores ellipsoid, pale-yellow under the microscope, 8 X 54; stipe 
tapering downward, white-silky-fibrillose, becoming glabrous, stuffed, 2 cm. long, 1 mm. thick. 
Type collected on fragments of wood in fields at Auburn, Alabama, February 17, 1901, F. S. 
Earle (herb. N. Y. Bot. Gard.). 
DIsTRIBUTION: Known only from the type locality. 
4. Tubaria luteoalba Longyear, Bot. Gaz. 28: 272. 1899. 
Pileus thin, convex to plane and centrally depressed, 1-2.5 cm. broad; surface hygro- 
phanous, creamy-white or yellowish, margin often upturned, silky-squamulose from the 
remains of the veil, striate when moist; lamellae adnate-decurrent, subdistant, 2-4 mm. 
broad, at first nearly white, soon becoming ochraceous; spores ellipsoid, 6-8 X 4-5 yu; stipe 
often curved, whitish, hollow, downy and slightly enlarged at the base, 1.5-2 cm. long, 3-5 mm. 
thick. 
TYPH Locality: Michigan. 
Hazirat: On decaying stems and leaves of grasses and weeds in low, wet ground. 
DisTRIBUTION: Known only from the type locality. 
5. Tubaria decurrens (Peck) Murrill. 
Flammula decurrens Peck, Bull. Torrey Club 22: 489. 1895. 
Pileus thin, umbilicate, centrally depressed or funnelform, about 2.5 cm. broad; surface 
moist, minutely floccose-squamulose, pale-yellow or cream-colored; lamellae subdistant, 
strongly decurrent, pale-yellow, becoming ochraceous, the interspaces sometimes veiny; spores 
ellipsoid, 7.5-8.5 X 4; stipe equal or tapering downward, minutely downy, stuffed with a 
cottony pith, concolorous, 12-20 mm. long, 2-4 mm. thick. 
TYPE LOcALITy: Kansas. 
Hasirat: On wet ground in the shade of bushes. 
Distrreution: Known only from the type locality. 
6. Tubaria bicona (Pers.) Murrill. 
Agaricus biconus Pers. Syn. Fung. 317. (1801. 
Agaricus pellucidus Bull. Herb. Fr. pl. 550, f. 2. hyponym. 1791; Lam. Fl. Fr. 2:172. 1815. 
Tubaria pellucida Gill. Champ. Fr. 1: 539. 1878. 
Pileus conic to campanulate, becoming expanded, with a slight umbo, solitary, 1-2 cm. 
broad; surface watery, dull-reddish-brown, margin silky from the universal veil; context very 
thin; lamellae slightly decurrent, arcuate, very broad, fuligino-ferruginous; spores ovoid, 
pointed, smooth, uniguttulate, pale-yellow under the microscope, about 9 X 54; stipe 
slender, tapering above, mealy at the apex, solid, becoming hollow, 3-4 cm. long, 2-3 mm. 
thick. 
Types Locality: Europe. 
Haprrat: By roadsides in grassy places. 
DIstRIBUTION: Greenland; also in Europe. 
ILLUSTRATIONS: Bull. Herb. Fr. pl. 550, f. 2; Ricken, Blatterp. Deutschl. pl. 59, f. 7 (as Nau- 
coria pellucida). 
7. Tubaria deformata Peck, Ann. Rep. N. Y. State Mus. 51: 290. 
1898. 
Pileus thin, convex, becoming plane or centrally depressed, 1.2-2.5 cm. broad; surface 
glabrous, hygrophanous, reddish-brown when moist, whitish when dry, margin often wavy or 
irregular; lamellae thin, crowded, broader behind, adnate or decurrent, often wavy, branched 
or anastomosing, brownish-ferruginous; spores broadly ellipsoid, 7.5 X 6 4; stipe firm, hollow, 
tapering downward, clothed with grayish-white fibrils, 2.5-5 cm. long, 2-4 mm. thick. 
Tyre Locaity: North Elba, New York. 
Hasrrat: On dung in old roads in woods. . 
DistRIBUTION: Known only from the type locality. 
