Russula

Egon, Bart Buyck, Jerry, Egon Horak, Cooper, Jerry A. & Song, Yu, 2024, Russula (Basidiomycota, Russulales, Russulaceae) subsection Roseinae “ down under ”, Cryptogamie, Mycologie 20 (9), pp. 101-126 : 125

Russula subsection Roseinae Singer ex Sarnari emend. Buyck

Monografia Illustrata del Genere Russula in Europa 1: 98

( Sarnari 1998).

Defined by agaricoid or more rarely secotioid fruiting bodies, mostly with red to pink pileus, more rarely also white or yellowish, or multicoloured with orange, brownish, vinaceous to purple and even greyish-greenish tints, with mild taste or rarely acrid, producing white to cream spore prints, context turning bright pink or red with sulfovanillin and surfaces magenta with PDAB (p-dimethylaminobenzaldehyde) in fresh and dry specimens, presence of primordial hyphae with acidresistant incrustations that turn pink in sulfovanillin, hyphal terminations in pileipellis composed of short chains of cylindrical to ellipsoid or more versiform cells that originate from inflated cells in the lower suprapellis, the latter forming a more or less well-developed pseudoparenchymatic layer; spores generally with distinct suprahilar amyloid spot, rarely without; spore ornamentation subreticulate or more rarely with isolated warts.

TYPE SPECIES. — Russula velutipes Velen.