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FUNGORUM - Acervo Digital de Obras Especiais

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Agaricineæ, Leucosporæ, Pleurotus. 361<br />

pileus 18-20 cm. et ultra lat., integer, ad basim attenuatus; lamellæ<br />

subin<strong>de</strong> albidæ, margine crenulatæ, rufescentes.<br />

90. Pleurotus geogenius Decand. in Ed. I. p. 134, Seyn. Monsp. p. 131, 1411<br />

Mich. Gen. t. 65. f. 2, Paul. t. 25. f. 1, 2 (var. alba), Pers.<br />

Myc. Eur. 3, n. 39, 67. Inz. t. 7-8 f. 1, Fr. Hym. Eur. p. 175. -<br />

Erectus; pileo carnoso, semiinfundibuliformi, levi, glabro, margine<br />

undulato reflexo; stipite laterali, brevissimo, crasso, tuberoso; la-<br />

mellis <strong>de</strong>currentibus, confertis, candidis.<br />

Hab. ad terram Europæ australis. - Sequente robustior; pileu s<br />

vulgo fuscescens, subin<strong>de</strong> lobis circumscriptis quasi integer; sporæ<br />

6-8 4. - Teste Bresadola, P. geogenius Quél. Bull. Soc. bot. Fr.<br />

1879, supra gelatinosus et pruinato-velutinus a typo speciei omnino<br />

differt.<br />

91. Pleurotus petaloi<strong>de</strong>s Bull. t. 226, 557, f. 2 (Agar.), Fr. S. M. I. 1412<br />

p. 183, Hym. Eur. p. 175, Pat. t. 421, Cooke III. t. 258, Ventur.<br />

t. 44, f. 5, 6, Weinm. Ross. p. 125. - Adscen<strong>de</strong>ns; pileo carnoso,<br />

tenui spathulato, integro, disco <strong>de</strong>presso stipiteque exacte laterali,<br />

compresso villosis; lamellis <strong>de</strong>currentibus, confertis, linearibus,<br />

albidis.<br />

Hab. ad truncos vetustos in Europa et Amer. fœ<strong>de</strong>r, v. spathu-<br />

latus ad terram. - Pileus 3-7. cm. latus; stipes 1-3 cm. longus;<br />

Teste Quélet Ench. p. 149 huc spectat Bresad. F. Trid. t. 50<br />

(P. geogenius). In hoc sporæ 8-9 4, minute granulosæ, basidia<br />

20-30 6-7, cystidia 70-80 12. - Stipes majorum canaliculatus,<br />

præcipue varietatis; pileus fuscus, expallens, in maxime insigni forma<br />

ruber: Lère in Pers. M. E. 3, t. 25, f. 6; lamellæ ex albo cinereæ<br />

vel lutescentes. - B. spathulatus Pers. Obs. I. t. 4, f. 1,<br />

erectus.<br />

92. Pleurotus ëous Berk. Dec. n. 280. - Imbricatus, tenerrimus, 1413<br />

tus palli<strong>de</strong> rubellus; pileo tenui glabro; stipite obsoleto; lamellis<br />

angustis <strong>de</strong>currentibus.<br />

Hab. in vallibus adustis supra truncos in locis patentibus, Sikkim<br />

Indiæ (HOOK.). - Odor <strong>de</strong>bilis; pulcherrimus atque admodum<br />

<strong>de</strong>licatus auroreo-ruber; pileus 8 cm. latus, primitus spathulatus,<br />

<strong>de</strong>mum flabelliformis, glaber, subtiliter rimosus, fragilis, acie in-<br />

curvo; lamellæ basi reticulatæ. Affinis P. petaloi<strong>de</strong>o, sed absen-<br />

tia stipitis villosi striati atque pileo flabelliformi recedit.<br />

93. Pleurotus ninguidus Berk. Dec. n. 481. - Niveus, tenerrimus; 1414<br />

pileo imbricato submembranaceo; stipite prorsus nullo; lamellis<br />

latiusculis, postice rotundatis.

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