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FUNGORUM - Acervo Digital de Obras Especiais

FUNGORUM - Acervo Digital de Obras Especiais

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630 Agaricineæ, Leueosporæ, Xerotus.<br />

sus, margine prominente libero; lamellis concurrentibus amethystinis.<br />

Hab. ad saxum tophaceum in Italia. - Val<strong>de</strong> insignis inquirendus.<br />

Omissus in Fr. Hym. Europ.<br />

XEROTUS Fr. Elench. I, p. 48, (Etym. xeros siccus). - Hymenophorum<br />

cum stipite contiguum, in tramam pileo coriaceo similarem<br />

<strong>de</strong>scen<strong>de</strong>ns. Lamellæ coriaceæ, late pliciformes, dichotomæ, acie<br />

integerrima, obtusa. Fungi rigidi, persistenstes, cum Cantharellis<br />

analogi, sed tota structura diversi.<br />

Genus tropicum, nobile. Species duæ europææ huc relatæ ulterius observandæ.<br />

X. romanus post Michelium vix lectus. X. <strong>de</strong>gener Thelephoris, immo<br />

Clado<strong>de</strong>rribus afíinis.<br />

I. Pileo flocculoso tomentoso v. pulverulento.<br />

1. Xerotus <strong>de</strong>gener Fr. Epicr. p. 400, Monogr. II, p. 243, Hym. Eur. 2593<br />

p. 491. - Pileo coriaceo-membranaceo, tenacissimo, plano-infundibuliformi,<br />

integro, udo striato et spadiceo-griseo, subzonato, sicco<br />

flocculoso; stipite solido, fusco, albo-velutino; lamellis paucis, <strong>de</strong>-<br />

currentibus, distantibus, simplicibus v. dichotomis, albido-griseis.<br />

Hab. ad terram nudam in Europa. - Thelephoræ undulatœ<br />

proxime affinis. Hymenium juvenile costis obtusis, adultum lamellis<br />

acie acutis insigne. Sporæ inæquales. 8-12 4-6 (BERK.); stipes l-<br />

2 cm. long., 2 mm. cr. Ad hunc proxime accedunt A. <strong>de</strong>gener<br />

Schaeffer t: 243 et A. turfosus Sowerb. t. 210; forsan i<strong>de</strong>ntici. Doct.<br />

Quélet hanc speciem ad Cantharellum carbonarium ducit; an<br />

recte?<br />

2. Xerotus tomentosus Kl. in Lianæa 1833, p. 480, Fr. Epicr. p. 401. 2594<br />

- Cervinus; pileo coriaceo-lento, plano, <strong>de</strong>in infundibuliformi, to<br />

mentoso; stipite solido velutino; lamellis <strong>de</strong>currentibus, crassis, an-<br />

gustis, dichotomis.<br />

Hab. in truncis loco ignoto (LEHMANN). - Pileus 3-4 cm.<br />

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

3. Xerotus cantharelloidos Berk. in Hook. Journ. 1851, p. 47, Dec. 2595<br />

n. 327. - Pileo subinfundibuliformi, fuligineo, subtiliter fascicu-<br />

lato-tomentoso, margine involuto; stipite gracili; obscuro, glabriusculo;<br />

lamellis ochraceis, dichotomis, angustissimis, obtusiusculis,<br />

<strong>de</strong>currentibus; sporis ovoi<strong>de</strong>is, hyalinis.<br />

Hab. in ligno putri Jillapahar Indiæ or. - Pileus 3,5-4 cm.

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