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FUNGORUM - Acervo Digital de Obras Especiais

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1068 Agaricineæ Melanosporæ, Psathyra.<br />

33. Psathyra commiscibilis Berk. Fung. Glaz. pag. 752. - Eximie 4329<br />

cæspitosa; pileo subhemisphærico, pallido, striato-sulcato; lamellis<br />

angustis, pallidis; sporis argillaceis. Stipite glabro pallido.<br />

Hab. in Brasilia (GLAZIOU). - Ps. disseminatœ simillima, sed<br />

differt sporarum colore, quæ haud nigræ sunt.<br />

34. Psathyra glareosa B. et Br. Ann. N. Hist. 1883, p. 372, n. 2011, 4330<br />

Cooke III. t. 591 B. - Pileo campanulato, obtuso vel umbonato,<br />

griseo, apice castaneo-pallido, striato, atomato, floccoso, nitente;<br />

stipite fistuloso, fibrillis vestito; lamellis late adnatis, umbrinis;<br />

sporis nigris.<br />

Hab. in glareosis, post pluvias in Britannia. - Pileus 12 mm.<br />

latus, minutissime tomentosus; stipes 2½-5 cm. longus, 2 mm.<br />

crassus; lamellæ postice latæ; caro bruunea præsertim juxta la-<br />

mellas.<br />

35. Psathyra polytrichophila Peck 30 Rep. p. 42. - Pileo tenui, con- 4331<br />

vexo vel subcampanulato, glabro, subfragili, interdum leviter um-<br />

bonato, hygrophano, udo striatulo atque brunneo, sicco ochraceo<br />

vel bubalino, interdum nitente; stipite gracili, æquali, subflexuoso,<br />

subtiliter præsertim versus basim albo-fibrilloso, apice farinaceo,<br />

concolore, medulla albida repleto; lamellis planis adnatisque vel<br />

leviter arcuatis <strong>de</strong>currentibusque, latis subdistantibus, pileo sub-<br />

concoloribus; sporis purpureo-brunneis, subellipsoi<strong>de</strong>is, 8 5.<br />

Hab. ad terram inter Polytricha, Oneida (WARNE), West Albany<br />

Amer. fœ<strong>de</strong>r. - Gregaria, odora, 2½-5 cm. altit.; pileus 4-10<br />

mm. latus.<br />

36. Psathyra stenophylla Mont. Guy. n. 286, Syll. Crypt. n. 391. - 4332<br />

Pileo tenuissime membranaceo, expanso-plano, striis confertissimis,<br />

subplicatulo, hygrophano, griseo-rubello; stipite fistuloso, levi, basi<br />

subbulboso; lamellis polydymis, sublinearibus, utrinque attenuatis,<br />

ungue stipiti adnexis, cinnamomeo-fuscidulis; sporis ovoi<strong>de</strong>is, hilo<br />

notatis, 15 µ. long., fuscis.<br />

Hab. in fimo vaccino circa Cayennam Amer. merid. (LEPRIEUR).<br />

- Pileus 5-6 cm. lat.; stipes 8-10 cm. long., 3-4 mm. cr.<br />

37. Psathyra æquatoria Mont. Guy. n. 287, Syll. Crypt. n. 392. - 4333<br />

Pileo campanulato, mox convexo-expanso, hygrophano ad centrum<br />

tenuissime striatulo stipiteque æquali, glabro, fistuloso dilute ca-<br />

staneis; lamellis tetradymis, angustis, utrinque attenuatis sporisque<br />

oblongis, fuscis, 7 µ. long.<br />

Hab. ad terram in silvis Guyanæ (LEPRIEUR), - Pileus 4-6<br />

cm. lat.; stipes 4-5 cm. long., 1-3 mm. cr.

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