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FUNGORUM - Acervo Digital de Obras Especiais

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242 Agaricineæ, Leucosporæ, Collybia.<br />

Hab. in lignis vetustis et in terra inter folia in silvaticis, pr.<br />

Greig Americæ borealis, septembri. - Cæspitosa, 5-7 cm. alta;<br />

pileus 2,5-3,5 cm. latus; stipes 2,5 mm. crassus.<br />

171. Collybia? hymenocephala Speg. Fungi Guar. Pug. I, n. 5. 898<br />

Solitaria v. laxe gregaria, inodora; pileo tenui-membranaceo, pelincido,<br />

rigidulo (fere tremelloi<strong>de</strong>o, iu sicco !), applanato-expanso 3-<br />

3,5 cm. diam., orbiculari, centro non v. vix <strong>de</strong>presso, margine acuto,<br />

recto, regulari v. leniter minuteque subrepandulo-undulato, gla-<br />

berrimo, levissimo, radiatim modicissimeque subcostulato et plus<br />

minusve manifeste ruguloso-reticulato, albo vel albo-pallescente<br />

(fulvescenti-testaceo, in sicco !) centro vix fuscescente; lamellis remotis,<br />

strictissimis 0,5-8, mm. lat. centr., membranaceis, colore et<br />

consistentia pilei, polymacriis, utrinque attenuato-acutatis, longio-<br />

ribus, <strong>de</strong>orsum breviter <strong>de</strong>nticulo in stipitem <strong>de</strong>currentibus, rugis<br />

gracilibus sed plane conspicuis, transvèrsis, marginem versus nul-<br />

lis, centro subconfertiusculis, irregulariter fenestratim conjunctis;<br />

stipite tereti, gracili, erecto, recto, 4-5 mm. long., 2 mm. diam.; pileo<br />

obscuriore (fulvescenti-brunneo, in sicco !), glaberrimo, levissimo, tenui<br />

membranaceo-subcartilagineo, latissime fistuloso, basi non v.<br />

vix subattenuato, abrupte noduloseque in mycelio albo-fibroso latiusculo<br />

ac <strong>de</strong>nsiusculo radicato-expanso; basidiis et sporis non<br />

visis.<br />

Hab. in silvis subvirgineis ad folia ac ramenta <strong>de</strong>jecta putrescentia<br />

prope Guarapi Brasil. - « An Heliomycetis species? ».<br />

B) Lamellæ cinerescentes. - Hygrophanæ.<br />

IV. TEPHROPHANÆ. Color fuscus, cinerescens. - Affines ultimis Tricholomatibus<br />

et Clitocybis, sed stipes cartilagineus.<br />

*) Lamellis confertis, subangustis. Primi quatuor olentes.<br />

172. Collybia rancida Fr. S. M. I, p. 141, Icon. t. 69, f. 1. Hym. 899<br />

Eur. p. 125, Cooke III. t. 153, Kalchbr. t. 6, f. 4, Hoffin. Ic. t. 12,<br />

f. 2, Secr. n. 656, Weinm. Ross. pag. 104, Wirtgen in Fl. 1835,<br />

n. 312. - Graveolens; pileo carnosulo, e convexo plano, umbonato,<br />

levi, tenaci, rore albido sericello; stipite fistuloso, stricto,<br />

rigido, eximie radicato, glabro lamellisque liberis, confertis, angustis<br />

cinereis.<br />

Hab. in pinetis Europæ, vulgo ad terram, sed etiam in silvis<br />

frondosis ad truncos, haud raro. - Pileus 4-10 cm. latus; stipes<br />

6-18 cm. longus, 4-5 mm. crassus; sporæ 7-10 3-5. Nobilis, serotina,<br />

odore farinæ recentis subrancida. Pileus plumbeo-niger, vix

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