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Nomenclature

Russula burlinghamiae Singer
Bull. Soc. Mycol. France 54: 134. 1938.

Russula insignis Burl.
(nom. illeg., art. 53.1 ICBN)
N. Amer. Fl. 9 (4): 212. 1915.

Russula insignita Burl.
(nom. illeg., art. 52.1 ICBN)
Mycologia 31 (4): 497. 1939.

Original diagnosis

28. Russula insignis Burlingham, sp. nov.

Pileus convex to nearly plane or depressed, up to 8.2 cm broad; surface cream-white in the outer portion, darker dull-yellow at the center, pruinose to glabrous on the disk, minutely granular from the disk to the extreme margin, with the pellicle separable only on the margin, if viscid, soon dry and unpolished; margin striatulate when mature, slow in expanding: context firm, white, mild and agreeable in taste; lamellae white, mostly equal, occasionally forked, rounded at the outer ends, adnexed, close, thin, broad; stipe scurfy or squamulose with yellow nearly to the apex, nearly white at the apex, entirely dark-dull-yellow at the base, attenuate upward, loosely stuffed, dry, up to 7.5 cm. long, 2.5 cm. thick: spores white, elliptic, echinulate, 6.5 × 8.5 µ.

Type collected in swampy mixed woods at Stow, Massachusetts, August 17, 1913, Simon Davis 1-1913 (herb. Burlingham).
Distribution: Stow and Milton, Massachussets.

Typification

Holotypus: Herb. Burlingham: Simon Davis 1-1913
North America: United States: Massachussets: Stow
In swampy mixed woods

Description

Photographs

Microscopy

SEM photos