— 513 — 



siusculae dense peritheciigero-granulosae, in parte infera 

 turbinatae laeves steriles, farctae, intus colore atque na- 

 tura fere lignea, pedicello glabro ruguloso atro breviu- 

 culo (6-7'" X 2-3") suftultae; perithecia in parte supera 

 peritheciigera clavularum dense constipata monosticha 

 globulosa V. ovata (500-600 f- dm.) e mutua pressione 

 saepe angulosa e stromate leniter prominula atque extus 

 minute denseque verruculosa, ostiolo vix perspicuo do- 

 nata, coriacella nigro-farcta ; asci cylindracei ápice obtu- 

 sissime rotundati postice modice attenuato-pedicellati 

 (p. sp. 200-200x10-14/^ — pd. oOX5,") octospori para- 

 physibus filiformibus obvallati ; sporidia suboblique mo- 

 nosticha elliptico-elongata (22-24 X 9-10 ,") utrinque acu- 

 tiuscule rotundata plus minusve inaequilateralia non v. 

 1-2-guttulata opace fuliginea. Species pulcherrima X. po- 

 lymorphae (Pers.) Grev. affinis, forma mox tamen digno- 

 scenda. 



266. Xylabia TRiviALis Speg. (n. sp.) 



Diag. Xyloglossa ; stromata irregulariter subcylindracea 

 atra ápice obtusa undique fertilia fragillima intus cava 

 stipite plus minusve evoluto glabro suífulta; asci cylin- 

 dracei paraphysati octospori ; sporidia navicularia minuta 

 fuliginea. 



Hab. Ad truncos dejectos putrescentes in sylvis prope 

 Apiahy, Hiem. 1888 (sub n. 2779). 



Obs. Simplex V. coespitosa ; clavulae cylindraceae teretes 

 compressae v. ruguloso-canaliculatae, saepe tortuosae v. 

 hinc inde coarctatae, superne obtusissime rotundatae in- 

 ferné plus minusve abrupte attenuatae (15-20'" Ig. X 6- 

 'lO'" crs.) pedicello brevi v. longiusculo terete ruguloso 

 tortuoso glabro concolore (10'" Ig. X 1'" crs.) sufFultae, 

 extus atrae v. perdilute caesiae v. subcoerulescentes (sub 

 luce refracta), minute laxeque papillulosae carbonaceae 

 fragillimae, intus cavae, parietibus tenuissimis peritheciis 



