626 PyrenomycetsB, SphsBriaceeB, PhsBOspora, Xylaria. 



diam., albido-farinoso; ascisjam rosorptis; sporidiis ovoideis v.ovali- 

 oblongatis, utrinque rotundatis vol acutulis, plerumquo biguttatis, 

 9*4. 



Hab. ad truncos, Buriti, Matto Grosso Brasili;r. — Xyl. cabensi 

 proxime affinis, sed potius e sect. Xglocorgne. 



15. Xylaria barbata Starb. Ascom. Regnell. exped. II, 1901, p. 14, 2109 

 fig. 19. — Stromate ovato vel cylindraceo-clavato, utrinque ob- 

 tuso vel fere applanato, pilis densis subinde fasciculatis, rigidis, 

 parce septatis villosulo-rugosis, atratis; clavula 25*10 mm., sti- 

 pite a^quali, atro-velutino 40 * 2,5-3 mm. suffulta, extus carbonacea 

 fragili; medulla ochracea laxissima; peritheciis periphericis, mo- 

 nostichis, sphaeroideis, immersis, conico-lenticulari-emergentibus, 

 minute papillatis, maximis 0,5-1,5 mm. diam.; ascis cylindraceis, 

 breviter pedicellatis , apice rotundatis 150-170*10-12; sporidiis 

 octonis, monostichis, fusiformibus, rectis vel curvulis, utrinque 

 acutiusculis, sa^pe guttulatis, fuligineis 32-37 « 7,5-9; paraphysibus 

 guttulatis, l^alinis, ascos superantibus. 



Ilab. ad truncos, Colonia Ijui, Rio Grande do Sul Brasilise. — 

 Xi/l. tigrina affinis videtur. 



16. Xylaria similis Starb. Ascom. Regnell. exped. II, 1901, pag. 23, 2il0 

 fig. 33-34. — Stromatibus anguste cylindraceis v. basi vix cras- 

 sioribus, interdum subtortuosis, rectiusculis, rugosiusculis, fusco- 

 nigris inter areolas fuscescentibus, ex ostiolis minute asperulis, 

 nitide nigris, punctulatis, 10-35 mm. long., 2-4 mm. cr. ; stipite 

 paullo dilutiore, adpresse fusco-villosulo, 5-17 mm. long., 2-3 mm. 



cr. ; ascis linearibus, longiuscule pedicellatis, apice rotundatis, p. 

 s. 56-70 * 6-7.5 ; sporidiis octonis oblique monostichis, ovoideo-el- 

 lipsoideis, utrinque acutiusculis, fuligineis 9*5; paraphysibus gut- 

 tulatis ascos superantibus. 



Hab. ad truncos Coxipo, Mirim, Matto Grosso Brasilia3. — X. 

 liispiduln' et X. Holmbergi affinis. 



17. Xylaria californica Earle in New York Bot. Gard. 1902, p. 347. 2111 

 — Gregaria vel subcoespitosa; stromatibus tenuibus, simplicibus 

 erectis vel curvulis, 7 cm. long. vel plus. ad basim dense hirsutis 



1,5 mm. crassis; setulis basalibus intense brunneis fere nigris; cla- 

 vulis perithocigoris 2-2.5 cm. longis, et 2 mm. crassis; peritheciis 

 50 vel plus, prominentibus, subhemispha?ricis. nigris, ostiolo pa- 

 pilla crassa prsedito; ascis cylindraceip 75-85*7; sporidiis longi- 

 tudinaliter monostichis, suhin.-equilateralibus, nigro-brunneis, 14* 

 6; sporidiis fusiformibus, hyalinis, continuis 10-11« 3. 



