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Polyporeæ, Polystictus. 263<br />

251. Polystictus hypothejus Kalchbr. Grev. X, p. 102. - Pileo tenui.<br />

coriaceo, conchato, vix 2,5 cm. lat., basi angustata adnato, se-<br />

riceo-villoso, albo, zonato, zonis concoloribus; poris majusculis,<br />

curtis, fere foveolaribus, angulatis, acutis, amœne lutescentibus.<br />

Hab. ad truncos Richmond River Australiæ (MÜLLER). A simili<br />

P. decipiente Schw. poris majoribus, a P. barbatulo Fr.<br />

villo pilei longo, subsericeo, albo differt.<br />

252 Polystictus brunneo-albus (Berk.) Fr. Nov. Symb. p. 78 (94),<br />

Polyporus brunneo-leucus Berk. Dec. of Fung. n. 107. - Im-<br />

bricatus, postice effusus; pileis dimidiatis, subzonatis, rugosis, te-<br />

nuibus, coriaceis, subflaccidis e ferrugineo fusco-nigricantibus ve.<br />

lutinis, hic illic glabrescentibus; hymenio pallido; poris parvis an-<br />

gulatis subintegris vel denticulatis; dissepimentis tenuibus.<br />

Hab. ad truncos in Tasmania (R. GUNN). - Pilei imbricati,<br />

3,5-4 cm. lat., 1-2 cm. long.; pori 400 µ. diam.; habitus fere Ste.<br />

rei bicoloris. - Fries I. c. ad subgenus proprium Placoderma (crusta<br />

laceata) ducit hanc speciem simul ac P. tostum et tres Trametis<br />

species (T. sceleton, T. scleroderma, T. balanina). An<br />

recte ?<br />

c) Ectypi Cooke I. c. Pileo glabrescente.<br />

253. Polystictus ectypus B. et C. North Am. Fungi n. 138. - Pileo<br />

flabelliformi, lobato, zonato-picto, postice rufo, antice pulveru-<br />

lento, pallido; hymenio ochraceo; poris minutis.<br />

Hab. in Carol. inf. Amer. fœder. (RAVENEL). - Pileus 8 cm.<br />

latus, 7 cm. longus; pori 1/4 mm. lati. Primo adspectu plures formas<br />

refert P. versicoloris sed omnino diversus.<br />

254. Polystictus trizonatus Cooke Grev. XII, p. 17. - Pileo coriaceo.<br />

tenui, rigido, ochraceo, applanato, postice convexo, sericeo, zonis<br />

tribus elevatis obscurioribus variegato, margine integro, acuto;<br />

poris minimis, rotundis, postice decurrentibus, albis 1/4 mm. diam.<br />

Hab. ad truncos, Upper Yarra Australiæ (Lucas). - Pileus 4-5<br />

cm. latus, nounihil P. hirsuto sursum similis, sed sericeus nitensque,<br />

adspectu etiam similis plerisque formis P. versicoloris, sed non<br />

omnino velutinus. Fere uniformis zonis tribus elevatis, obscuriu-<br />

sculis ornatus.<br />

255. Polystictus Parishii Berk. Herb. n. 2593 et Cooke Præc. p. 5l.<br />

- Pileo coriaceo, tenui, reniformi vel semiorbiculari, glabrescente,<br />

pallide cinereo, zonis purpureis concentricis ornato, contextu<br />

5784<br />

5785<br />

5786<br />

5787<br />

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