Lloyd Mycological Writings V4.pdf - MykoWeb

SPORES HYALINE. SETAE NONE.
This is known only from one collection, Jamaica, at New York.
In its grosser characters it closely resembles Fomes rimosus. Similar
context color, surface, etc., but the hyaline spores and presence of
setae clearly distinguish it. It was recorded as having no setae. The
plant is very close to Fomes cinchonensis, being almost the same
under the microscope. The rimose surface is different, if that is a
difference. This species is here by inadvertence. It belongs to next
Section (70).
FOMES ADAMANTINUS (Fig. 583). Pileus applanate, with
a smooth, black crust. Context hard, rigid, color at first ochraceous
tawny when old cinnamon brown. Both colors are sometimes noted
in same specimen. Pores minute with concolorous tissue and mouths.
Setae, none. Spores (B) 2^2 x 3 x 3^-4 hyaline.
A quite rigid species of the East. The type is from India, at
Kew, but there is also a collection from Japan, and it is recently
recorded in the Philippines. The different color of young and old
context is unusual in Fomes.
Compare glaucotus, pachydermus.
FOMES INFLEXIBILIS. Pileus smooth, applanate, with ridged
surface, or subresupinate with slightly pileate development, (both
forms at Kew). Surface with hard crust-like appearance, but no
distinct crust. Context very pale brown (slightly paler than Buckthorn),
hard, well named inflexibilis. Pores very minute, with mouths
concolorous with context. Setae, none. Spores globose, hyaline,
4 mic.
I think this is known only from types at Kew from Brazil. The
recent records from Java and Jamaica are, in my opinion, both misreferences.
Compare crustosus.
FOMES EXOTEPHRUS. In general appearance and shape, black, glabrcus,
rugulose crust, etc., this is quite close to Fomes caliginosus (compare on page 237).
The only marked difference is in the paler color of the context, which is light brown
(cinnamon) color. I do not find any spores, often so abundant in caliginosus. At
Kew, Fomes exotephrus is known from a single specimen, collected by the Challenger
expedition (Admiralty Island). I doubt if it is the same as the specimen labeled
Fomes caliginosus, and collected on same island. Context dark brown.
In one species (under D) , Fomes melanopus, the surface is dark purplish black, but the context
is dark brown.
B. Medium or large species.
FOMES FOMENTARIUS (Fig. 584). Pileus ungulate, with a
hard, smooth, grayish crust. Context punky, dark brown (Antique
brown). Pores minute, with glaucous, pruinose mouths. Pore tissue
paler than the context. Setae, none. Spores hyaline, large, oblong,
5 x 16 mic.
235