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Lloyd Mycological Writings V4.pdf - MykoWeb

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SPORES COLORED, TRUNCATE.<br />

POLYPORUS NIGROCRUSTOSUS. Pileus applanate, with a dull, black,<br />

smooth crust. Context very thin, pale isabelline. Pores minute (1-1X cm - long),<br />

pale umber, with concolorous mouths. Spores 10 x. 12, oval, punctate, the hyaline<br />

membrane but little prolonged at base and rarely truncate.<br />

We propose this name for a specimen received from H. Val. Ryan, Dodabetta,<br />

India, which we are unable to refer to any of the previous species. When received,<br />

we referred it to Fomes nigrolaccatus, but this specimen is an evident Polyporus<br />

(not Fomes).<br />

SECTION 104. POLYPORUS (AMAURODERMUS).<br />

The section Amaurodermus of Polyporus are mostly stipitate (cfr. Stipitate<br />

Polyporoids, page 110), and the only sessile one to my notice is not certain.<br />

POLYPORUS DAHLI I. Pileus sessile (about 4x3x2 cm.). Surface dark,<br />

reddish brown, somewhat zonate, dull. Context scanty. Pores regular, long, almost<br />

reaching crust. Spores globose, smooth, 8 mic., deeply colored.<br />

This is imperfectly known from one specimen at Berlin from New Guinea. It<br />

was named in mss. by Hennings, but not published, as far as I know. To the eye,<br />

it resembles a Ganodermus, but its spores are of Amaurodermus. All others with<br />

similar spores are stipitate, and while this specimen is sessile, it would not be safe<br />

to conclude that this is a character of the species.<br />

373

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