Comprehensive Description
provided by North American Flora
Tyromyces lacteus (Fries) Murrill
Polyporiis lactetis Fries, Syst. Myc. 1 : 359. 1821.
Pileus dimidiate, sessile, decurrent, convex, very soft, fleshy, becoming fragile and rigid when dry, 2-4 X 5-8 X 0.5-1.5 cm. ; surface milk-white, sometimes slightly discolored, azonate, finely tomentose or pubescent to nearly glabrous, more or less silky-striate ; margm abruptly thin, inflexed, undulate, concolorous : context spongy-fibrous, very fragile when dry, 5-10 mm, thick, milk-white, unchanging, zonate at times ; tubes quite long, slender, equaling the thickness of the context, 5-10 mm., milk-white within, mouths regular, angular, 4-5 to a mm., glistening, becoming lacerate and somewhat uneven, edges thin, dentate to sharply toothed, fragile, white to slightly yellowish : spores allantoid, smooth, hyaline, 4-5X1-1-5/^.
Type LOCALITY : Sweden.
Habitat : Dead deciduous and coniferous wood.
Distribution : Fastern Canada to Virginia and west to Kansas ; also in Europe.
- bibliographic citation
- William Alphonso MurrilI, Gertrude Simmons BurIingham, Leigh H Pennington, John Hendly Barnhart. 1907-1916. (AGARICALES); POLYPORACEAE-AGARICACEAE. North American flora. vol 9. New York Botanical Garden, New York, NY
