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Lloyd Mycological Writings V4.pdf - MykoWeb

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FUSCUS. CONTEXT BROWN.<br />

Fig. 584.<br />

Fomes fomentarius.<br />

This is a common species in many countries no doubt. In Europe<br />

it takes two forms. First, a very large, ungulate form :with soft, punky<br />

context, on the beech in France. This is the only common Fomes at<br />

Fontainbleau. Second, a smaller, harder form on the birch in northern<br />

Europe. In the United States we do not have the beech form, as<br />

far as I have seen, but the form on birch is quite common in some<br />

localities.<br />

Fomes fomentarius is often confused in the museums with Fomes<br />

igniarius and also Fomes applanatus. I have specimens of Fomes<br />

fomentarius from India and Japan. A form is also very common in<br />

the American tropics, called Fomes marmoratus.<br />

ILLUSTRATIONS<br />

are both characteristic.<br />

Many have been issued. Sowerby, t. 133 and Fries Sverig, Atlas t. 62<br />

SPECIMENS.<br />

A. Yasuda.<br />

United States and Europe, abundant; India, G. H. Cave, B. Salmi; Japan.<br />

Compare introstuppeus. Inzengae, excavatus, expansus, minis.<br />

236

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