Pyrenoraycetse, XylariacejB, Xylarla. 337 



terdum mutua pressione angulatis, circ. '/^ mm, diam , submono- 

 stichis, nonnumquam minoribus intermixtis; ostiolis vix exsertis, 

 sub lente etiam a;gre conspicuis ; ascis oylindraceis, superne incras- 

 satis, rotundatis, poro jodi ope intense c;crulescente, 5-6 ^ 3, in- 

 ferne in pediceilum fragilem usque ad 90 ix. longum leniter atte- 

 nuatis, parte sp. 120-140 (plerumque 125) »10-14; sporidiis octo- 

 nis, superne oblique, inferne subrecte monostichis, e dorso visis 

 oblongis V. elongato-ellipsoideis, e latere curvulis, utrinque rotun- 

 datis, 21-24 » 7-8, juvenilibus guttulatis, translucido-flavis, ma- 

 turis continuis v. rarius plasmate irregulariter partito, fuscis, li- 

 neola (? germinationis) spirali, tenui, sub vitro flava, quse antice 

 in dorso oritur, sporidium semel sinistrorsum ambit, ideoque po- 

 stice in dorsum iterum pervenit ornatis; paraphysibus longis, te- 

 nuibus, evanidis. 



Hab. ad ramos siccos arborum in insulis St. Croix et St. Jan 

 IndiiB occidentalis (F. Boergesen). 



XYLARIA Hill - Syll. I p. 309, IX p. 523, XI p. 283, XIY p. 504, 

 XVI p. 442, XVII p. 622. 



I. Xyloglossa. 



1. Xylaria polymorpha (Pers.) Grev. — Syll. I, p. 309. — var. com- 4477 

 binans Peck, New York State Mus. Bull. n. 116 (1907) p. 33. — 

 Stromatibus subglobosis, saepe compressis et irregularibus, in apice 

 ramorum e terra surgentibus caespitosis; peritheciis et sporidiis ut 



in typo. 



Hah. in radicibus v. caulibus emortuis, Bridgeport Ct., Amer. 

 bor. (P. "W". Graff). — Ob stromata globosa et ctBspitosa a varie- 

 tatibus XylaricB Hypoxyli et X. spathulatce differt. 



2. Xylaria subinvoluta v. Hohnel, Ergebn. Bot. Exp. Siidbras. 1901, 4478 

 Denk. k. Ak. d. Wiss. Wien, Bd. LXXXIII (1907) extr. p. 27.— 

 Stromatibus solitariis, raro 2 basi adnatis, cylindraceo-clavatis, 

 siccis plerumque subcompressis, 15-40 mm. alt., 5-13 lat., 5-7 mm. 



cr., supra rotundatis, ubique peritheciis tectis, plerumque sessilibus 

 V. pedicello brevi crassiusculo usque ad 10 mm.. longo donatis, 

 nigris, opacis, basi plus v. minus umbrinis v. castaneo-brunneis, 

 ob ostiola peritheciorum subprominentibus rugulosis; crusta stro- 

 matica longitudinaliter plicato-fissa et marginibus involutis ; peri- 

 theciis globoso-ovoideis, 500-600 [j.. diam.; ascis numerosissimis, 

 Syll. fung. XXII (VIII-1912) 22 



