3621 MR GREVILLE ON THE 
cure is of little consequence, as both species are equally 
wholesome, and it matters not which is collected. In Italy 
one is called jozzolo, according to De Candolle ; and 
Ag. virgineus of Batsch and Sowerby is known and 
eaten in France under the names of mousseron and petite 
oreillette, 
11. Ag. ulmarms^ pileo compact o, carnoso, glabro, pal- 
lescente, lamellis emarginatis albis, stipite valido adscen- 
dente subtomentoso. Fries. 
Agaricus ulmarius, Bull. Champ, t. 510. — Sow. Fung. 
t. 67. — Pers, Syn. Fung. p. 473 De Cand.Fl.Fran^. 
ed. 3. V. % p. 138. Ejusd. Syn. p. m.-^Purt. Midi. 
Fl. V. 3. p. 200.— i^m^ Syst. Mycol. v. 1. p. 186.— 
Grev. Fl. Edin. ined. 
Pleuropus ulmarius, Gray's Nat. Arr. v. 1. p. 615. 
Hab. On trunks of trees, especially old decaying elms, 
in autumn. 
Desc. Plant somewhat tufted, or several growing to- 
gether. Pileus compact, 4-9 inches broad, smooth, 
subcoriaceous, but within very white, soft, but of a 
remarkably close texture, thick, sometimes marbled 
with livid spots. LamelltB numerous, broad, white, 
emarginate, very irregular, adnate, or sometimes 
slightly decurrent. Stem more or less excentrical, ac- 
cording as the plant grows from a perpendicular or an 
horizontal surface, 2-3 inches long, at least 1 inch 
thick, solid, incrassated at the base, white, sometimes 
furfuraceous. 
This Agaric, named in France Voreille d'Orme^ is scarce- 
ly of common occurrence in Great Britain, and has not 
been admitted to our tables. The flesh has an agreeable 
