Lentinula boryana (Berk. & Mont.) Pegler 1976

Gymnopus boryanus (Mont.) Murrill
Agaricus (Collybia) Boryanus Berk. & Mont. Ann. Sci. Nat. III. 11: 235. 1849. Collybia Boryana Sacc. Syll. Fung. 5: 240. 1887.
Pileus rather thin and tough, convex to plane, becoming depressed at the center, gregarious, 5-8 cm. broad; surface purewhite, glabrous, smooth, margin concolorous, undulate, inflexed when young: context thin, white, edible; lamellae very narrow, crowded, white, sinuate to nearly free, separating from the stipe with age: spores ellipsoid, smooth, hyaline, 4-6 X 3-4 ii: stipe equal or enlarged at the apex, cartilaginous, solid, isabelline to testaceous, blackish at the base, rough with scales pointing upward, 3 cm. long, 3-4 mm. thick.
Type i^OCALITy: Bahia, Brazil.
Habitat: On dead trunks.
Distribution: Cuba, Jamaica, Dominica, and British Honduras; also in Brazil.

Lentinula detonsa (Fries) Murrill, MycologiaS: 28. 1911
Lentinus detonsus Fries. Nova Acta Soc. Sci. Upsal III. 1: 38. 1851, Lentinus cubensis Berk. & Curt. Jour. Linn. Soc. 10: 302. 1868. Lentinus proximus Berk. & Curt. Jour. Linn. Soc. 10: 302. 1868. Lentinula cubensis Earle, Bull. N. Y. Bot. Card. 5: 417. 1909.
Pileus fleshy-coriaceous, subeccentric, plane or depressed, not umbilicate, ^5 cm. broad; surface glabrous, not polished, alutaceous to fuscous, margin repand, involute : lamellae roundedsinuate, crowded, thin, whitish, becoming pallid when dry: spores ellipsoid, smooth, hyaline, 6-7X4-5 ^t: stipe pallid, ligneous but fragile, unequal, curved, often twisted, fibrous-strigose above, 4 cm. long and 4 mm. or more thick.
Type locality: Costa Rica.
Habitat: On dead wood.
Distribution: Louisiana, West Indies, and Costa Rica.

Armillaria umbilicata Pat. Bull. Soc. Myc. Fr. IS: 191. 1899
Pileus fleshy, soft, convex to plane and depressed, more or less umbilicate, gregarious, 1-5 cm. broad; surface moist, smooth, viscid, deep-red or chocolate-colored, paler with age, becoming rusty or whitish, margin not striate; lamellae adnate-decurrent, straight, thin, serrate, whitish, then rusty or brownish; spores ovoid, smooth, colorless, 6-7X3 m; stipe central, coriaceous, becoming hard and woody, cylindric, equal, fibrillose throughout, palerusty, 5-6 cm. long, 3-5 mm. thick; annulus apical, fugacious, fibrillose-membranous.
Type locality: Guadeloupe.
Habitat: On rotten trunks of Sloanea Massoni.^
Distribution : Known only from the type locality.

Lentinula boryana is a species of edible agaric fungus in the family Marasmiaceae that is found in subtropical Americas. Originally described as Agaricus boryanus by Miles Joseph Berkeley & Camille Montagne in 1849, it was moved to the genus Lentinula and given its current name by David Pegler in 1976. It is the type species of the genus Lentinula.