Sphaeriacese, Phseosporse, Xylaria. 315 



30. Xylaria biceps Speg. Fungi Arg. Pug. IV. n. 137. — Stromati- 1179 

 bus dense gregariis, extus atris, opacis, intus candidis, basi parce 

 raraosis ; ramis erectis longiusculis, compressis, 10-30 mill. long., 

 1-1,5 lat., 0,5 crass., ruguloso-subtortis, glaberrimis, apice sim- 

 plicibus V. bifidis v. brevissirae bis dichotomis, primo vertice com- 

 pressissimo, dilatatulo, truncato, roseolo-aurantio v. roseo-albo (co- 

 nidiis nondum visis), dein biclavuligero; clavulis elliptico-cylindra- 

 ceis, sfepius e latere compressiusculis, 8-10 mill. long., 2 mill. lat., 

 1-1,5 mill. crass., binis in quoque ramulo, dorso connato-coafluen- 

 tibus, ad tertium v, usque ad medium, sursum liberis ac divergen- 

 tibus, apice breviter conico-attenuatis, deorsum abrupte subtrun- 

 cato-rotundatis, ac in ramulo coarctato-attenuatis, undulatis, parce 

 rainuteque hinc inde papillulatis, extus atris, opacis, glaberrimis, 

 iotus primo spongioso-flocculoso farctis, dein subvacuis, albis; pe- 

 ritheciis subglobosis, 350-400 y.. diam., atris, crassiusculis, coria- 

 ceo-membranaceis, contextu minute parenchymatico, fuligineo-oli- 

 vaceo ; ascis cylindraceo-clavatis, sursum obtusiusculis, deorsum 

 longe attenuato-stipitatis, 70-90=^6-8 p. sporif., stip. 44-45 ::= 2-5. 

 octosporis, paraphysibus filiformibus obvallatis; sporidiis oblique 

 raonostichis, elliptico-navicularibus, quandoque curvulis, utrinque 

 obtusiusculis, 14-15:^5, opace fuligineis. 



iJa^. in ollis ligneis plantarum cultarum en el Patio «Empren- 

 ta Coni)) Ruenos-aires, Argent. — A ^ylaria (Sphseria) diceras 

 (Pers.) videtur valde distincta. 



31. Xylaria diceras (Lev.) Fr. Nov. Symb. p. 128, Sph. (Cordyceps) iiso 

 diceras Pers. rass. Lev. Ann. Scienc. nat. 3, 1845, p. 43. — Ni- 

 gra, stipite elongato, compresso, nudo, sursura bifido, clavulis diva- 

 ricatis clavatis obtusis, rugoso-undulatis; peritheciis globosis im- 

 mersis, ostiolis minimis sparsis prominulis; sporidiis in ascis linea- 

 ribus paraphysatis, navicularibus utrinque acutis, opacis. 



Hab. in Hispaniola, ad truncos (Poiteau). — Stipes 3-4 cent. 

 longus. 



32. Xylaria divaricata (Fee) Sacc. Sph. divaricata Fee Not. sur ngi 

 trois esp. nouv. de Sphffiria exot. p. 1. — Suberosa, bifurcata, 

 rugosissima, atro-rubra, depressa; clavulis divaricatis, acumina- 



tis ; peritheciis inaequalibus, remotis, crassis; sporidiis ovoideis, 

 subfuscis. 



Hab. in S. Domingo ad ligna vetusta. — Stroma 1 dec. altura. 



33. Xylaria Domingensis (Berk.) Sacc. Hijpoxylon Bomingense Berk. ii82 

 enum. Fungi St. Domingo p. 11. — Maxima, cylindrico-clavaefor- 



