162 NORTH AMERICAN FLORA [VoLuME 10 
Pileus 1-3 cm. or more broad. 
Stipe 2.5 cm. long. 
Stipe white. 10. G. plicatella. 
Stipe reddish-brown. ll. G. rufipes. 
Stipe 2.5-5 cm. long, sometimes slightly longer in G. reticulata, . 
Species occurring on dead, coniferous wood; pileus with a conic umbo. 12. G. lignicola. 
Species occurring on mossy ground; pileus rugosely reticulate. 13. G. reticulata. 
Species occurring on soil or manure. . 
Stipe white. 14. G. Kellermani. 
Stipe reddish-brown or cinnamon. ; 
Pileus striatulate; spores 15-16 pu long. 15. G. inculta, 
Pileus not striatulate; spores 7.5-8.5 u long. 16. G. leneroides. 
Stipe 5-8 cm. long, sometimes shorter in G. sulcatipes. 
Pileus umbonate, densely tomentose. 17. G. pulchra. 
Pileus not as above. 
Pileus yellow. 18. G. flava. 
Pileus chestnut-colored. “19. G. sulcatipes. 
Stipe 8-15 cm. long. 
Pileus isabelline to fulvous. 
Stipe 1-2 mm. thick. 20. G. tenera. 
Stipe 2-5 mm. thick. 
Species occurring in sphagnum marshes. 21. G. sphagnorum. 
Species not occurring in sphagnum marshes. 
Stipe 8-10 cm. long, 2-3 mm. thick; spores 12-14 y long. 22. G. crispa. 
Stipe 15 em. long, 5 mm. thick; spores 7-8 u long. 23. G. tortipes. 
Pileus fuliginous. 
Pileus strongly striate to the umbo. 24. G. striatula. 
Pileus striate on the margin only. 25. G. crocospora. 
II. SPECIES OCCURRING ON THE PACIFIC COAST 
Species occurring on the bark of oak trees; pileus minute, umbilicate. 26. G. lirata, 
Species occurring in sphagnum marshes. 21. G. sphagnorum 
Species occurring among mosses or grasses or among leaves in woods. 
Pileus subcylindric, acuminate. 27. G. angusticeps 
Pileus conic to campanulate. 
Stipe 2.5-5 em. long. 5. G. Hypni. 
Stipe 8-12 cm. long. 
Pileus 1-2 cm. broad. 20. G. tenera, 
Pileus 2~6 cm. broad. 22. G. crispa. 
III. SpkcrES OCCURRING IN TROPICAL NORTH AMERICA 
Stipe 7-20 mm. long. 
Pileus about 5 mm. broad. 
Species occurring on decayed, wood. 28. G. Martiana. 
Species occurring on clay banks. 29. G. echinospora. 
Pileus about 10 mm. broad. 30. G. distantifolia. 
Stipe 2.5-5 cm. long. 
Pileus cylindric. ‘ 31. G. macromastes. 
Pileus subconic or campanulate. ms 5. G. Hypni. 
Pileus becoming depressed with the margin reflexed. 32. G. reflexa. 
Stipe 8-12 cm. long. aoe 
Pileus 1-2 cm. broad. 20. G. tenera. 
Pileus 2-6 cm. broad. 
Margin striatulate. 22. G. crispa. 
Margin not striatulate. 33. G. mexicana. 
1. Galerula parvula Murrill, sp. no. 
Pileus very small, thin, convex to expanded, conspicuously papill.2t® gregarious, 5 mm. 
broad; surface dry, smooth, glabrous, ochroleucous, margin fulvous, pingulan, straight and 
appressed when young; lamellae adnate, ventricose, subcrowded, s°¢Vveral tithes inserted, 
becoming fulvous, whitish and very slightly dentate on the edges's SPOTeS -@bid, smooth, 
melleous under the microscope, 7-8 X 4-5 yu; stipe slender, cylindric, ©@U4!, smth, glabrous, 
fulvous, 1-1.5 cm. broad, less than 1 mm. thick. 
Type collected in soil in woods at Unaka Springs, T A { 18-24, 1904, i 
Heat ee ea rings, Tennessee, August LW. A. Murrill 
DistTRIBUTION: Known only from the type locality. 
2. Galerula coniferarum Murrill, sp. nov. 
Pileus conic to campanulate, not fully expanding, umbonate, gregario*S, Te@hing 1 om. 
broad; surface glabrous, dull-fulvous and somewhat striate, becoming isabelline aq estriate 
