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Fig. 19. Agaricus ( P salliot a) praenitens Beck.<br />
Sketch a fter B e c k's black figures (1 :1).<br />
(Schulz.) sensu Bresadola as an independent species found in California,<br />
more yellow squamose with yellow mycelium and larger spores<br />
(sp. 8-10(12) X 4-5(6)1'), and Meinhard Moser (Sydowia,<br />
Ann. Myc. Ser. 2, <strong>IV</strong>, p. 115, 1950) mentions the same from Tirol<br />
(sp. 8-10 X 4-5,ll, while spores of his P. augusta measure 7-9 X<br />
5.2-61'), but Ka l m å r , Budapest, is inclined to regard (in lit.)<br />
P. perrara sensu Bres, as a confusion of P. augusta Fr. with P. perrara<br />
and states that in Hungary the spores of P. perrara are almost<br />
the same as in the Danish P . auaust«, namely 8-9 X5-61'. K a 1m<br />
ar, who does not know P. augusta Fr. from Hungary, regards<br />
P. perrara as a southern form or variety of P. augusta) growing<br />
under deciduous trees (Quercus)) and writes in his letters that it<br />
resembles p'. sub rufescens sensu Lange, and that Konr. & Maubl.,<br />
t.27 (P. au gusta) and Schweiz.-Pilzt. I, t.27, 1947, represent P. perrara.<br />
P. elv ensis B. et Br., which is often stated to be closely related<br />
to P. au.queta; does not belong here, as it is merely a drought form<br />
of P. v apor aria (Vitt.) , since practically all other characters than<br />
the curved scales of the pileus agree with that species. B o u d i e r's<br />
careful description and figure (Icon, Myc. <strong>IV</strong>, p. 67, t. 134, 1905 -