Lloyd Mycological Writings V4.pdf - MykoWeb

PORES WITH THIN WALLS.
species is about twenty years old. These layers are 5-7 mm. thick
at first and quite distinct, but are reduced both in thickness and area
in later years, forming a peculiarly shaped, contracted pileus. This
effect in this one specimen may be due to exhaustion of the food
supply as the plant grows older.
SECTION 74. PONDEROSUS-FOMES-GAXODERMUS.
Pores hard, heavy, minute, with thick walls
punctate.
(Fig. 601). Spores smooth or
FOMES SUBTORNATUS. Pileus applanate, with a hard,
rigid, black crust with brown surface. Context dark brown (bay
brown). Pores very minute, hard, rigid, heavy, with thick walls.
Mouths fuliginous. Spores 6 x 10, smooth, truncate.
This form was first clearly distinguished in Bresadola's work on
Philippine fungi. It has a hard, rigid crust and dark, minute, hard,
rigid pores, similar to the pores of Polyporus fornicatus and Polyporus
mastoporus. The pore mouths are concolorous with the tissue. The
young specimens sometimes show a slight black, laccate exudation,
similar to that of Fomes nigro-laccatus. Originally it was described
as having a short, lateral stipe, but specimens do not show it. The
species is distinguished from the other Fomes of this section by the
color of its pores and pore mouths, which are concolorous with the
pore tissue.
SPECIMENS. Philippines, E. D. Merrill (six collections); Madagascar, Henri Perrier de la
Bathie (not typical); Java, J. P. Mousset; New Zealand, S. Duncan.
Compare piceus.
FOMES PSEUDOAUSTRALIS. Pileus thick, applanate, with
a thick, hard, black, shiny, sulcate crust. Pores very minute, hard,
heavy, in
compact, many layers, almost reaching the crust. Context
and pore tissue dark brown (bay brown). Spores 6x10, smooth,
punctate.
This is based on a Philippine collection, Curran 13748. It was
referred to Fomes australis, but on comparison is quite different from
the type of Fomes australis at Kew. The hard, heavy pores are similar
to Fomes subtornatus. This answers the description of Fomes
australis better than the type, but it is quite certain that it never
grew in Europe, where Fries states australis occurs. This is probably
the same as Fomes piceus, of which no authentic specimen is known
to me.
Compare piceus.
FOMES POLYZONUS. Pileus applanate, with a smooth, hard,
pale crust. Context dark brown (bay brown), with narrow, regular
zones \y2 mm. wide, and also with black layers of resinous tissue
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