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356 o u t l i n e s o p B R IT ISH FUNGOLOGY.
10. Solani-tuberosi, Marf. On decaying potatoes.
This is Ferióla tomentosa, Fr., or at least the perfect condition
of it. As in the last, the flocci are too much developed
to be consistent with the characters of the Order.
336. EPOCHNIUM, Lk.
Sterile flocci creeping, fertile obsolete. Spores septate, a ttached
apparently to the matrix.
1. macrosporoideum, B. {no. 131, with a fig). On dead Rúes.
237. PSILONIA, Fr.
Flocci persistent, joined into an erumpent mass, at first
covering the simple spores.
1. nivea, Fr. {m. 823). On beech-trunks.
2. gilva, Fr. On dead herbaceous stems.
3. Arundinis, Desm. {no. 35 «»¿551). On dead leaves and stems ofreeds.
Order 22. TJRIGHOJDEStMAGHI.
Flocci covering the spores, and forming a kind of peridium,
which at length vanishes in the centre.
238. PILACEE, Fr.
Stem solid, cylindrical. Head globose, composed of flexuous,
branched, radiating threads. Spores produced near the
tips, forming a dusty mass.
1. faginea, B. and Br. {no. 380, with a jig). On beech-stieks.
2. Petersii, B. and Curl. {no. 824). On hornbeam. Smell like that of
Hypericum Androsmmmn.
TR ICHOD ERMA CE I . 357
239. INSTITALE, Fr.
Stem none; common mass containing many cavities filled
with spores.
1. effusa, Fr. {no. 756). At roots of Scotch fir.
I. acariformis is merely a state of Hypoxylon coccineum, and
I. radiata of Coprinus radiatus.
240. TBICHODEBMA, P.
Peridium spurious, indeterminate, roundish, composed of
interwoven even flocci, at length vanishing in the centre.
Sjjores spread over the disc.
1. viride, P.; Grev. t. 271. On dead wood, etc. Probably not autonomous.
241. AETHBODEEMA, Curr.
Peridium spurious, indeterminate, roundish, composed of
interwoven, strongly constricted, jointed flocci. Spores collected
in the centre.
1. Curreyi, B.; Micr. Journ. ii. p. 240. On dead leaves and sticks.
Reasons have been given above for not placing Myxothe-
cium here. Myxormia has too compact an excipulum to be
placed with Myxothecium, or in this place.
F a m . V.—ASCOMYCETES.
Fruit consisting of sporidia, mostly definite, contained in
asci, springing from a naked or enclosed stratum of fructifying
cells, and forming an hymenium or nucleus.
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