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FUNGORUM - Acervo Digital de Obras Especiais

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338 Sphæriaceæ, Phæosporæ, Xylaria.<br />

sa, 1-1,5 alta; stromate cylindrico aut subfusiformi, sæpius apice<br />

sterili acuto, nigricante, intus albo, radiato-contexto; stipite tomento<br />

mucedineo purpurascente obvoluto, simulateque bulboso; peritheciis<br />

globosis nigris; sporidiis monostichis, ellipsoi<strong>de</strong>is, interdum<br />

curvulis, coloratis, 15-18 µ. long.<br />

Hab. in Amer. boreal. Greig, in truncis muscosis. - A X. digitata<br />

differt habitu cæspitoso, stipite et substantia interiore.<br />

129. Xylaria Cornu-Damæ (Schw.) Berk. North Am. Fungi p, 158, 1278<br />

Sph. (Cordyceps) Cornu-Damæ Schw. Syn. Am. bor. n. 1163. -<br />

Suberosa, aterrima, crassiuscula, trunco subradicato, varie torto,<br />

atro-floccoso in radice, compresso, in apice furcato-ramoso, dilatato;<br />

plerumque apicibus abrupte acuminatis, <strong>de</strong>mum fertilibus, exacte<br />

ut cornu damæ; apice juniori squamuloso-cinerascente, ceterum<br />

tomento atro undique brevissimo vestito; peritheciis majusculis prominulis,<br />

ostiolis obtusato-cylindricis brevibus; intus candidissimo;<br />

sporidiis (teste Berk.) curvulis, angustis, 15-26 µ. longis.<br />

Hab. in truncis antiquis <strong>de</strong>jectis sub<strong>de</strong>fossis, Bethlehem Am. bor.<br />

- X. Hypoxylo affinis sed multo crassior.<br />

130. Xylaria mucronata (Schw.) Sacc. Sph. mucronata Schw. New 1279<br />

Sphær. Amer. p. 5. t. 1, fig. 1. Fr. S. M. II, 326. - Carnosa,<br />

simplex, badia, clavula incrassata lutescente, apice sterili mucronato,<br />

peritheciis atris,<br />

Hab. in trunco Lirio<strong>de</strong>ndri Carolinæ Amer. bor. - Stipes<br />

badius, subsquamosus, inflexus, compressus, unciam altus, 4 lin.<br />

crassus. Clavula incrassata, irregularis. Perithecia majora, prominula,<br />

ostiolis globosis, nigris. Asci moniliformes, post evacuationem<br />

teretes. Sporidia subglobosa, atra.<br />

131. Xylaria piperiformis Berk. Decad. n. 481. - Clava gracili, cy- 1280<br />

lindrica, sæpius apice acuminata sterili; stipite elongato flexuoso<br />

lineato-rugoso radicante; ostiolis prominentibus; sporidiis minimis,<br />

6 µ. longis, cymbiformibus.<br />

Hab. in India, Sikkim. - Stipes 50-70 mill. alt., 2 mill. cr.;<br />

clavula 25-50 mill. longa, vix 2 mill. cr. ; ostiolis rugulosa, subin<strong>de</strong><br />

pruinosa; perithecia elliptica.<br />

132. Xylaria subterranea (Schw.) Sacc. Sph. (Hypoxylon) subterra- 1281<br />

nea Schw. New Am. Sphæriæ p. 4, t. 1, fig. 3, et in Linnæa IV.<br />

Litt. 45. - Caulescens suberosa, indivisa, longissima, apice elongato<br />

griseo, pulverulento, integro, ex reliquo nigricans, ½ ped.<br />

alta, basi flexa hirsuta, in<strong>de</strong>que usque ad medium tenui-fusco-tomentosa;<br />

peritheciis sparsis, in parte pulverulenta rarioribus.

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