296 NORTH AMERICAN FLORA [VoLUME 9 
DOUBTFUL SPECIES 
Agaricus (Pleuropus) tubaeformis Schw. Schr. Nat. Ges. Leipzig 1:63. 1822. Described 
from North Carolina as cespitose, umbilicate, pallid, 4 cm. broad; lamellae crowded, narrow, 
serrate; stipe eccentric, glabrous, 7-10 cm. long. 
26. LENTODIUM Morgan, Jour. Cinc. Soc. Nat. Hist. 18: 36. 
1895. 
Pileus tough, reviving, solitary or cespitose, usually convex: lamellae decurrent or adnate: 
spores liyaline: stipe central, woody: veil often evanescent, not forming a distinct annulus. 
Type species, Lentodium squamulosum Morgan. 
Stipe 6-12 mm. thick. 1. L. sqguamosum. 
Stipe 2-4 mm. thick. 2. L. tigrinum. 
1. Lentodium squamosum (Schaeff.) Murrill, Mycologia 3:27. 1911. 
Agaricus squamosus Schaeff. Fung. Bavar. 4: Ind. 15. 1774. 
Agaricus lepideus Fries, Obs. Myc. 1: 21. 1815. 
Lentinus lepideus Fries, Syst. Orbis Veg. 78. 1825. 
Lentinus suffrutescens Fries, Epicr. Myc. 393. 1838. 
? Lentinus maximus Johnson, Bull. Minn. Acad, Sci. 1: 338. 1878. 
Lentinus magnus Peck, Bull. Torrey Club 23: 413. 1896. 
Lentinus spretus Peck, Bull. N. Y. State Mus. 105: 24. 1906. 
Pileus fleshy to tough, compact, hard when dry, convex or nearly plane, sometimes slightly 
depressed in the center and sometimes umbonate, solitary or cespitose, 5-15 em. broad; surface 
white or pale-ochraceous, the cuticle cracking and usually forming brownish, spot-like scales, 
which are sometimes almost black: context white, with agreeable odor; lamellae subdistant, 
broad, sinuate-decurrent, transversely lacerate and dentate-serrate on the edges, white; spores 
ellipsoid, 7-15 X3-6 uw: stipe white or whitish, short, hard, solid, often pointed at the base, 
more or less adorned with recurved scales, sometimes eccentric, 2.5-6 cm. long, 6-12 mm. thick; 
annulus fixed, white, often disappearing. 
TYPE LocALITy: Bavaria. 
Hasirat: Structural timbers and logs, especially of coniferous trees. 
DistRIBUTION: Throughout temperate and tropical North America; also in Europe and Asia. 
ILLUSTRATIONS: Batsch, Elench. Fung. pl. 43; Hard, Mushrooms f. 782; N. Marshall, Mushr. 
Book #1. 6; McIlv. Am. Fungi l. 16, f. 3; Schaeff. Fung. Bavar. pl. 29, 30. 
Exsiceati: Thiim. Fungi Austr. 608. 
2. Lentodium tigrinum (Bull.) Earle, Bull. N. Y. Bot. Gard. 5: 434. 
= lignntns gma. Hade EAU G. eee 
Agaricus tigrivus Bull. Herb. Fr. ol. 70. 1781. 
Lentinus tigyinus Fries, Epicr. Myc. 389. 1838. 
?Lentinus Ravenelit Berk. & Curt. Jour. Bot. & Kew Misc. 1: 100. 1849. 
Lentodium squamulosum Morgan, Jour. Cine. Soc. Nat. Hist. 18: 36. 1895. 
Pileus thin, subcoriaceous, convex or nearly plane, umbilicate, 2.5-10 cm. broad; surface 
whitish, spotted with innate, hairy, brown or blackish scales: context white, often becoming 
reddish when wounded: lamellae narrow, close, unequal, somewhat decurrent, toothed on the 
edges, white or yellowish, usually deformed and united by abundant conidia-bearing mycelial 
threads, having the appearance of being attacked by Hypomyces: spores ellipsoid, 5-8 X 2.5—4 Be 
stipe curved, slender, solid, hard, furfuraceous-squamulose, whitish, sometimes brownish toward 
the base, 1.5-8 cm. long, 2-4 mm. thick. 
TYPE LOCALITY. France. 
Hasitat: On decaying logs and stumps of both evergreen and deciduous trees. 
DisTRIBuTION: Canada to Cuba and west to the Rocky Mountains; also in Europe. 
ILLUSTRATIONS: Bull. Herb. Fr. 1. 70; Gill. Ch . Fr. pl. 149 : i ; 
Bull. Chicago Acad. Sci. 7: pl. 6, f. 2 : amD EP (406) ; Sow. Engl. Fungi pl. 68; 
Exsriccati: Rav. Fung. Car. 2: 11; Ellis & Ev. Fungi Columb. 1935, 
DouBTFUL SPECIES 
Lentinus Chama (Bosc) Fries, Epicr. Myc. 394. 1838. (Agaricus Chama Bosc, Ges. 
Nat. Freunde Berlin Mag. 5: 85. 1811.) Found on oak wood in South Carolina. 
