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- 153-<br />
Fig. 23 . Agaricus abruptibulbus P ec lc,<br />
Sketch exe cut ed after P e c k's coloured figures (1 :2) .<br />
stem, the very slender stem, the double ring, and the size, that no<br />
one need doubt about its identity with the above-described species.<br />
A l e x a n d e r H. S m i t h and several other mycologists in the U.S.A.<br />
and elsewhere, however, identify P e c k's species with P. silvicola<br />
(Vitt.). This however, is opposed to F r i e s's view, the latter having<br />
referred the above-cited figures of K r o ID b h o l z, which plainly represent<br />
P. abruptibulba} to P. arvensis, and in addition, in accordance<br />
with V i t t a d i n i's figure of P. siZvicoZa (see fig. 21) describes the<br />
latter in such a way that there eannot be any question of P. abruptibulba<br />
("stipite ... subbulboso, annulo simplici, ... lamellis ex albido<br />
fuscentibus ... Similis A. aroensis, sed annulo etc. distinetus") .<br />
4. Psalliota macrocarpa sp . n.<br />
Plate XXVIII.<br />
Syn.: Psalliota arvensis (Schff.) Fr. sensu Ricken p. p., Blåtterp.,<br />
p. 236-237, 1912.
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