846 Pyrenomycetae, Xylarlaccse, Xylar^^. 



compressis 1-2 cm. long., 5-10 mm. lat., 2-3 mm. cr., utrinque atte- 

 nuatis, deorsum in pedicellum breviorem pannosulum sensim atte- 

 nuatis, extus sordide fuscis dense minuteque colliculoso-scrupulosis 

 intus albo-ligneis ; peritheciis dense constipatis subglobosis 0,5-0,6 

 mm. diam. plus minusve prominulis, fuscis, coriacellis, vix ostio- 

 lato-papillatis; ascis cylindraceis prcelonge pedicellatis aparapby- 

 satis, 120 5^ 6 ; sporidiis ellipsoideo-navicularibus subopace fuligineis, 

 9-10 «4-6, non v. 1-2-guttulatis. 



Hdb. ad schidia lignea putrescentia prope Cordoba et Tucuman 

 nec non in silva Bobadal, Rep. Argentina Amer. austr. 



28. Xylaria corniformis Fr. — Syll. I, p. 327 — var. macrospora 450^ 

 Bres. in Theiss., Ann. Myc. VI (1908) p. 342. — Yersiformis ; 

 typice compresso-spathulata, imo ilabellata, rarius plus minus re- 

 gulariter clavata, formis compressis ludens; st\pite curto firmo, 

 indumento subiculiformi purpureo-violaceo crasso, saepius pluribus 

 stipitibus uno subiculo crassissimo junctis; clava primo fusco-ar- 

 gillacea dein brunnea, scruposula, superficie areolata, apice undu- 

 lato vel simplici obtusulo vel conico haud acuto; peritheciis ova- 

 to-angulatis, immersis, minutis, stipatis, 200-400 \i. diam., ostiolo de- 

 licato semigloboso prominulo; ascis p. sp. 80-100^6-8, pedicello 

 30-80 ji. longo; sporidiis rectis v. reniformibus, opacis, utrinque 

 rotundatis, grosse 2-guttulatis, ssepius in asco agglomeratis 15- 



19 «5 7,-6 7,. 



Hdb. ad truncos in silva, Sao Leopoldo Brasiliae. — Stipes 2- 

 20^2-7 mm. varians; clava 15-30 mm. alta, 3-25 mm. lata, 2-4 

 mm. cr. 



29. Xylaria macropoda Speg., An. Mus. Nac. Buenos Aires t. XIX 'i60E 

 (1909) p. 347. — C.espitosa, erecta 20-25 cm. alta, sordide atro- 

 fusca e carbonaceo suberosa; clavulis subcylindraceis 5-10 cm. long., 

 1-1,5 cm. diam. colliculosis levibus, fusco-farctis, ubique fertilibus, 

 stipite pr;i;Iongo sufifultis 10-15 cm. long., 5-7 mm. cr. ; peritheciis 

 subglobosis immersis, subcarbonaceis 0,8-1 mm. diam. non v. vix 

 papillulato-ostiolatis; ascis cylindraceis longe pedicellatis subapa- 

 raphysatis, parte sporif 60-75 « 6, ped. 40-75 [j.. longo; sporidiis 

 anguste navicularibus fuligineis recte monostichis, 10-14^5. 



Hab. ad palos humifusos subputrescentes in aridis prope Tu- 

 cuman E,ep. Argentina, Amer. austr. — Xyl, longipedi Nits. af- 

 finis sed certe distincta. 



