Lloyd Mycological Writings V4.pdf - MykoWeb

FOMES PIN I (Fig. 608). Pileus ungulate, thick, hard, woody.
Surface dark brown, rough, tomentose, with concentric raised zones.
Context and pore tissue Sudan brown. Pores (Fig. 609) large, round,
elongated or sometimes daedaloid, 1-3 mm. in diameter. Pore layers
distinct in old specimens. Hymenium tawny, the pores lighter, more
yellow than the context. Setae slender, sharp, large, projecting 30-40
mic. Spores globose, hyaline, 5-6 mic.
Fig. 609.
Pores of Fomes pini.
Hartig gives an excellent account of this well-known and destructive
disease of pine trees. It occurs more common in Northern
Europe and our Western States, though it is found no doubt in all
pine regions. It is usually found on old trees and generally at some
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