FUNGORUM - Acervo Digital de Obras Especiais

Sphæriaceæ, Hyalodidymæ, Diaporthe. 663
ostiolis parum exertis; ascis fusoideis 60 8; sporidiis oblongobiconicis,
10-11 3-3½, medio constrictis, utrinque obtusiusculis,
4-guttatis, hyalinis.
193. D. Tetrastaga Sarothamni (Auerswd.) Nits. Pyr. Germ. p. 303,
Valsaria Sarothamni Auersw. in litt. - Stromate rarius late effuso
ramulosque ambiente, sæpius contra brevi, maculæformi, immo
brevissimo valsæformi, quoad immersum, ligni materiam pallidam
reddente, nigro-limitato; corticis parenchymate, dein nigrescente
ac crustulas efformante induratas, aterrimas; peritheciis magnis,
e globoso plus minus depressis, cortici intimo, immo basi ligno,
supposito infossis, ordine mox subæquali, mox vario ordinatis, in
collum breve constrictis; ostiolis crassiusculis, abbreviatis, parum
v. vix exsertis; ascis subcylindricis v. anguste oblongis, octosporis,
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60-69 7-8; sporidiis distichis v. rarius submonostichis, fusiformibus
utrinque acutis, rectis, bi-cellularibus, quadriguttatis, medio
haud constrictis, subhyalinis, 14-15 3-5. - Spermogoaia phomatoidea:
spermatiis 8-12 2; basidiis 30 1, hamatis.
Hab. in ramis siccis Sarothamni scoparii in Germania,
Britannia, Gallia. - Sphæria tetragona Duby et Sph. interrupta
Mont. huc forte spectant ex Nitschke. Verisimiliter huc quoque referenda
Sph. operta Quel. Jura p. 507, nec Sph. (circinata) operta
Kunze M. Heft. I, 61; quæ (sporidiis oblongo-acutis, fuscis) forte
Anthostoma.
194. D. Tetrastaga inæqualis (Curr.) Nits. Pyr. Germ. p. 285, Sacc.
Myc. Ven. p 140, t. XIII, fig. 76-78, Sphæria inæqualis Curr.
Linn. Trans. XXII, p. 270, fig. 79, Sph. Fuckelii Duby in Fuck.
Fungi rhen. n. 919, Melanconis Castri-Labatii Speg. Dec. myc.
n. 90. - Stromate effuso, ambitu et magnitudine maxime vario,
mox ramos ramulosque longe ambiente, mox brevissimo ac peritheciis
coalescentibus valseo simillimo; strato extimo nigricante v.
in ligni superficiem tantum v. etiam in lignum ipsum descendente;
peridermio haud decolorato; peritheciis majusculis, globosis v. sæpius
depressis (basi applanatis), vel angulosis, nunc ordine fere
æquali sparsis, nunc 2-15 densius aggregatis, immo omnino, stromatis
more valsei, coalitis, in cortice infimo nidulantibus, peridermio
corticeque substrati vetustate delapso, denique tamquam liberis,
lignoque nigrefacto insidentibus; ostiolis crassiusculis, cylindricis,
basim versus conico-dilatatis, plus minus elongatis et exertis,
rectis v. inflexis, peritheciis coalitis fasciculatim erumpentibus;
ascis cylindricis, in pedicellum breve basi attenuatis, octosporis,
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