Sphaeriacese, Phaeosporae, Xylaria. 335 



ciis globosis, vertice acuto papillato prominentibus, nucleo nigro 

 farctis asperum cjlindricum desinente, plexus fasciculatos rhi- 

 zomatoideos mentiente; ascis cylindricis, stipitatis, 160 w 8, p. 

 sporif. ; sporidiis octonis, oblongis, insequilateralibus, 20-27 ^ 6-7, 

 fuligineis. 



Hab. ad ligna quercina aquseductuura northusanorura Gerra. 

 semel at abundanter. — Clavula 6-20 mill. longa, 2-3 mill. crassa. 



— A X digitata et X polymorpha satis recedit. 



118. Xylaria polyciada (Lev.) Fr. Symb. myc. 128. Sphoeria (Cordy- i267 

 ceps) polycladia Pers. mss. Lev. Ann. Scienc. nat. 3, 1845, p. 44. 



— Carnoso-suberosa, ramosa subdichotoma, clavulis elongatis cru- 

 staceo-laccatis rugosis cylindricis opacis compressis dilatatis albis, 

 peritheciis globosis immersis, ostiolis punctiforraibus atris nitidis 

 prominulis, stipite scruposo fuligineo; ascis densis, 8-sporis; spo- 

 ridiis navicularibus, monostichis, opacis. 



Hab. in Hispaniola (Poiteau). — Stroma 12-15 cent. altura, 

 stipite 6-7 cent. long. 



119. Xyiaria persicarla (Schwein). B. et C, Thuem. F. Poraic. p. 101. 1268 

 Sph. perdoaria Schwein. Syn. Carol. n. 9. — Suberosa, simplex, 

 clavula nuda albo-carnea, stipite flexuoso villoso rugoso. 



Hab. in defossis putaminibus Persicarum in Carolina, sat 

 frequens. — Csespitosa. Caulis flexuosus, raro ramosus, radicatus, 

 3 unc. longus et ultra, crassitie penna^ corvinoe, primo villosus vi- 

 resceus, deraum niger (in nostris speciminibus ferrugineus), peri- 

 thecia continens valde prominula, in medio sita. Clavula alba, in 

 colorem albo-carneum v. lutescentem mutatur. In profunde defos- 

 sis matricibus longitudinem acquirit 6 unc. 



120. Xylarla Gueplnl (Fr.) Ces. Comra. critt. I, p. 71, t. V. Sph. Gue- um 

 pini, Fr. Elench. ll, 58. — Stipite radicoso extus intusque stup- 

 peo albo, clavulis digitatis testaceis, apice sterilibus, ostiolis gra- 

 nulosis atris; ascis cylindricis breve stipitatis, Ssporis; sporidiis 

 monostichis ovoideis, insequilateris, fuligineis. 



Hab. ad terrara firaetosam Italiae borealis, Gallise occidentalis 

 (Guepin), Brasiliae (Fries), Ceylon et Borneo (Beccari). — Inter 

 Sphserias recentiori seculo in Europa detectas nulla memorabilior. 

 Stipes ad 6-7 unc. extensus, lineam crassus, erectus, a?.qualis, fir- 

 mulus, sed raollis, undique vellere stupposo obductus, velut Rhizo- 

 morpha xylostroraa Ach!, sursura dichotome divisus in clavulas 

 plures digitato-congestas. Clavulae 3-5-digitat9e, siraplices aut bi- 

 fidae, (est eniin in toto fuiigo dichotomise nisus), breves, unciam 



