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522 U6.Exorm. e.SARCOTHALAME^. Pl.cell.aplu
1. Exorm. rhodostomum. Rosy-mouth exormatostome.
TheccB hemispherical, black, barked, aggregated into a
black stratum ; tip flat, perforated, rosy-red.
Sphaeria rhodostoma, Alh. et Scltw. Fung. 43.
On rhamnus frangula.
2. Exormatostoma tilice. Lhne-tree exormatostome.
Thecce pitchershape, saucerlike, brownish-black; tip flat,
Tfiembranaceous; containing within them an unattached
utriculus.
Sphasi'ia tiliaB, Persoon Syn. 84.
On decayed branches of lime-trees.
3. Exormatostome tessellatum. Chequered exormatostome.
Thecce black, hollowed at the base; mouths dotlike, per-
forating the epidermis in a regular series.
Sphaeria tessellala, Persoon Syn. 48.
On the bark of trees.
Mouths placed in quincunx, in parallel lines, or in
ellipses.
4. Exormatostoma nehdosum. Cloudlike exormatostome.
Thecce grey, very minute, forming irregular, interrupted,
blackish-grey spots; mouths prominent, rather acute.
Sphaeria nebulosa, Persoon Syn. 31.
Sphaeria maculans, Sowerby Fungi, 394,9,
On the stems of large herbaceous plants.
Spots greyish, cloudlike, about a quarter of an inch
broad.
.5. Exor7?iatostoma herlarum. Herb exormatostome.
Thecce scattered, flat, depressed ; mouths short, nipple-
like.
Sphaeria herbarum, Persoon Syn. 78.
On dry stems of herbs.
Thecce at first covered, afterwards naked, collapsed.
6. Exormatostoma tuliforrne. Tubeshape exormatostome.
TheccB hemispherical, brown, on leaves; mouths cyVia-
drical, twice as long as the thecse, bursting forth.
Sphaeria tubiformis, l^ede Meckl. 2, 51.
On beech, hornbeam, and birch leaves.