Comprehensive Description
provided by North American Flora
Grifola sumstinei Murrill, Bull. Torrey Club 31 : 335. 1904
A very large plant resembling G. frondosa in habit and general appearance, but with fewer and broader pileoli, darker surface and darker hymenium. Pileus imbricate -multiplex, 20 X 30 cm. ; pileoli flabelliform to spatulate, 6-8 X 6-8 X 0.3-0.5 cm. ; surface radiaterugose, finely tomentose, lightto dark-brown ; margin very thin, fissured and strongly inflexed when dry : context white, fibrous, fleshy-tough to almost leathery, 0.3 cm. thick * tubes 0.2 cm. long, 7 to a mm., at first fuliginous, becoming pallid at maturity, polygonal irregular, edges very thin and fragile, becoming lacerate : spores globose, smooth, hyaline', thin-walled, copious, 5 }i : stipe tubercular, woody, blackish below, connate-ramose, lightercolored, passing insensibly into the pileoli above.
Type locality : Pennsylvania.
Habitat : About old stumps and trunks of deciduous trees.
Distribution : New York, Pennsylvania, Virginia, Ohio, and I^ouisiana.
- 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
