Pyrenomycetfe, Spheeriaceae, Phseosporpe, Xylaria. 627 



Hab. in ramis dejectis, terra immersis, Coast Range, S. Mateo 

 Californiae. 



18. Xylaria argentinensis Speg. Myc. Argent. ser. II, 1902, p. 69. 2112 

 — Stromatibus soepius csespitosis, rarius solitariis 20-40 mm. alt., 

 aterrimis; clavulis difformibus, typice ovatis vel elliptico-ovatis 

 8-20 mm. long.,5-10 mm. diam., sed non raro conoideis, globosis, 

 leniter denseque subgranulato-colliculosis, fere ut fructus rubi, 

 nigris sed sub luce refracta caerulescentibus, s epe pulvere gru- 

 moso albido hinc inde laxe adspersis, apice acutis v. obtusissimis, 

 basi abrupta cuneatis ac in stipitem 10-20 mm. long., 2-2,5 mm. cr. 

 subiculo rigido, atro, pannoso, atro-olivaceo arcte vestitum produ- 

 ctis, intus compactissimis, candidis, sublignosis; peritheciis globosis, 

 prominulis, periphericis 0,5-1 mm. diam.; ascis cylindraceis 10-11 



\x. cr., cito diniuentibus; sporidiis monostichis, fusoideo-naviculari- 

 bus, utrinque acutiusculis, 28-30 « 7-8, eguttulatis v. grosse 1-3- 

 guttulatis, levibus. 



Hab. ad ramos dejectos putrescentes prope Puerto Pampa in 

 Argentina (E. Kermes). 



19. Xylaria violaceo-pannosa Starb. Ascom. Regnell. exped. II, 1901, 2113 

 p. 24, fig. 27. — Stromatibus simplicibus, stipite curto ad basin 

 pannoso, bulboso-conico, intus amoene violaceo v. atro-violaceo, 

 extus fusco, cortice membranaceo, toto fragili vestito, 10-15 « 



5-8 mm., clavula clavata, compressa, irregulariter undulato-pli- 

 cata v. curvata, superne obtusa v. subtruncata, hinc inde verru- 

 culoso-rugosa v. villo (an reliqui;e st. conidiophori ?) hyphis bre- 

 vibus intricatis composito obsessa, peritheciis punctata, areolato- 

 rimosa, contextu coriaceo-carbonaceo, atro-violaceo, 20-25 « 6-10 * 

 2-5 mm. ; peritheciis monostichis, globulosis, 300-400 \i. diam., 

 disculo atro medio papillato; ascis cylindraceis 80^6, stip. 25 \i. 

 longo; sporidiis octonis monostichis, ellipsoideis, curvulis, utrinque 

 obtusis, 10-11^5-5,5; paraphysibus filiformibus difnuentibus. 



Hdb. ad truncos, San Antonio pr. Asuncion, Paraguay (Lindman). 

 — Xyl. corniformi et X. Holmbergii affinis, a prima colore, ab 

 altera statura minore etc. dignoscenda. 



20. Xylaria Juniperus Starb. Ascom. Eegnell. exped. II, 1901, p. 19, 2114 

 fig. 27. — Stromatibus gregariis vel parce caespitosis, simplicibus, 

 rarius 2-3 fasciculatis saspissime stipitatis; stipita 6 « 1-2 nim., ru- 

 gosiusculo villoso, difformi, parte perithecigera undique fertili ple- 

 rumque pileiformi a stipite discreta v. cylindraceo-ovata v. conice 

 cupressiformi, cinereo-atrata, superficie undulata, extus carbonacea, 



