I 



Pyrenomycetfe, Xylariacefe, Xylaria. 341 



Ildb. ad lignum, Kibateni in Africa orient. germanica, fA. 

 Karasek). 



12. Xylaria papillata Sjal., in De Wildem., Flore Bas-et Moy. Congo 4488 

 t. III, fasc. I (1909) Extr. p. 18. — S:^romatibus plerumque gregariis, 

 minutis, immaturis conicis, maturis plus minusve globosis 2-4 mm. 

 latis, superficialibus, basi stipitiformi latente instructis, apice pr;e- 

 sertim in junioribus minute papillatis, primitus albidis^ tandem 

 atris, carbonaceis fragilibus; peritbeciis vix prominulis, minutissi- 

 mis; ascis jam elapsis; sporidiis ellipsoideis subinde navicuiiformi- 

 bus, continuis, fuscis, lB-20 «^ 8-10. 



Hdb. ad cortices, Kisantu, Congo AfricsB (Vanderyst). 



13. Xylarla Rickii Theiss., Ann. Mycol. VI (1908) pag. 342, cum 4489 

 icon. — Stipite glaberrimo, sulcato, brunneo-fuligineo, tereti vel 

 compresso, 8-30^1-5 mm., intus lignicolore; clava generatim ia- 

 minato-compressa, rarius cylindrica vel fusiformi, 30-40 «^ 2-4 mm., 

 aterrima, laccata, nitentissima, juventute icneo-cnerulescente, ostio- 



lis obtusis semiglobosis opacis punctata, longitrorsum sulcato-im- 

 pressa, sursum polymorpha ac varie dilatato-divi^a vel plicata, 

 intus lignicolore, strato tamen peripherico albo; peritheciis minu- 

 tis, globosis, 200-300 [j.. diam. immersis; ascis p. spor. 120-140^ 

 7-9, breviter pedicellatis; sporidiis rectis vel plano-convexis vel 

 curvulis, rotundatis, pluriguttulatis, opacis, 20-28 «6-7; paraphy- 

 sibus stipatis filiformibus 2 ;i. crassis. 



Hah. ad truncos in silva, Sao Leopoldo Brasilia (J. Rick S. J.). 

 — Affinis X. zeylanicce. 



14. Xylaria riograndensis Theiss., Ann. Mycol. VI (1908) pag. 343, 4490 

 cum icon. — Minuta, 5-15 mm. louga, 1-2 mm. lata; stipite brevi, 

 rubigineo-pruinoso, basi subdilatata ochraceo-annulata ; clavula de- 

 licata, testaceo-miniata vel aurantiaca, intus alba, superficie sequali 



vel peritheciis mammillose prominulis undulata, supra sensim at- 

 tenuata sterili acuta, juventute apiculo conidiophoro albo-floccoso 

 coronata; peritheciis minutis 200-300 ;i. diam., mammillato-pro- 

 minulis, disco dilutiore melleo cinctis, ostiolo aterrimo hemisphss- 

 rico vel subconico exserto ; ascis p. sp. 70-95 » 6-7, jodo cnerule- 

 scentibus, pedicello 30-55 ;jl. longo ; sporidiis fusco-badiis, utrinque 

 rotundatis vel vix angustatis, nitide 1-2-guttatis,- 11-15 «^ 4-5. 



Hab. ad ligna, Petropolis, Rio Grande do Sul, Brasilia ( J. Rick 

 S. J.). — Differt a Xi/l. vetiosula Speg. clava non reticulato-ri- 

 mosa, peritheciis noii omnino iramersis et sporidiis. 



15. Xylaria transiens Theiss., Ann. Mycol. VI (1908) p. 341, cum 4491 



