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Polyporeæ, Merulius. 419<br />

albo, inæquabili, puncto centrali adfixo, plicis e centro radianti-<br />

bus obtusis anastomosantibus cellulosisque pallide flavis.<br />

Hab. ad Bambusas emortuas in insula Java.<br />

II. Coniophori Fr. Hymenium sporis ferrugineis pulverulentum, Omnes<br />

destruentes.<br />

41. Merulius lacrymans (Jacq.) Fr. Syst. Myc. I, p. 328, El. p. 59, 6563<br />

Hym. Eur. p. 594, Sverg. ätl. Svamp. t. 70, Harz. t. 77, Pat. tab.<br />

132, H ussey I, t. 3, Fl. Dan. t. 2026, Krombh. t. 46, f. 1-2, Sowerb.<br />

t. 113, Boletus Wulf. in Jacq. Coll. t. 8, f. 2, M. vastator<br />

Tode, M. destruens Pers. - Grandis, spongioso-carnosus, uvidus,<br />

flavo-ferrugineus, subtus araneoso-velutinus, margine tumido, tomentoso,<br />

albo; plicis amplis, porosis gyrosoque-dentatis; sporis<br />

ovatis, inæquilateralibus, uniguttulatis, saturate flavis, 10-12<br />

5-6.<br />

Hab. ad ligna putrida, præcipue domestica, quæ destruir, optime<br />

vigens guttas aqueas plorans, in Europa, pr. Minussinsk Sibiriæ<br />

asiaticæ, in Carol. inf. et media Amer. fœder., Greenbush,<br />

New York (PECK), Buffalo (CLINTON).- Vulgo placentæformis, sed<br />

etiam effuso-reflexus, immo e media placenta surgunt tubercula<br />

caulescentia pileolos proferentia. Hymenium maxime mutatur, interdum<br />

hydnoideum. Huic optime respondet Sistotr,erna cellare Pers.<br />

- Var. verrucifer QuéI. in Hedw. 1885, p. 146. Membrana tenuissima,<br />

sicca, flexibili, irregulatim orbicuIari, 10 cm. et ultra lata,<br />

solum in medio ligni adhærente, plus minus tabacina, papillis densis<br />

ornata, ad marginem sterilem albida, subtus albida, nec hirsuta,<br />

nec villosa: mycelium perenne et hymenium verum adsuut;<br />

sporis umbrinis, ellipsoideis, 10-12 µ. long. In cella ad trabes quercinas<br />

fabrefactas in Slavonia. - Var. tenuissimus Berk. in Rav.<br />

Fung. Amer. n. 134: forma distinctissima, tenuis, margine incrassato<br />

v. albo carens, subfragilis. Ad ligna pinea et folia, Aiken,<br />

Carol. infer. Amer. fœder.<br />

42. Merulius puIverulentus Fr. El. p. 60, Hym. Eur. p. 594, Conio- 6564<br />

phora membranacea Dec. sec. Pers. Myc, Eur. I, p. 153, sed vix.<br />

- Latissimus, membranaceus, levigatus, zonatus, aridus, subtus araneose-velutinus,<br />

e centro ambitum versus sensim exoletus; plicis<br />

marginalibus, subreticulatis, fulventibus.<br />

Hab. ad parietes humidos in Europa. - Multicolor, præcedenti<br />

tam affinis, ut, nisi aIii genere distinxissent, omnino conjungerem;<br />

prior enim. sterilis, locis suffocatis, membranam himantioi-

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