Pyrenomycetse, Xylariacese, Xylaria. 339 



cato, longitudine varia, simplici vel pluribus fasciculatis ; clava 

 paullo incrassata, lanceolata, atra, sulcata, utrinque subattenuata, 

 simplici vel furcata, apice fertili vel acuminato, griseo-pulveraceo, 

 sterili, siepius applanato-furcato, superficie ob peritliecia obtuse v. 

 subconice prominula torulosa, 5-35 ^ 1-3 mm. ; peritheciis confertis 

 V. interrupte sparsis, areola plus minus distincta glabra et papilla 

 acutiuscula instructis, vix 300 ;x. diam. ; ascis 65-85 ^ 6-7, p. spor. 

 45-70 {JL. longa; sporidiis ellipticis rotundatis, fusco-badiis, 6-10 *:= 

 4-5; paraphysibus filiformibus. 



Hab. ad nidos T e r m i t u m locisque arenosis, Sao Leopoldo 

 Brasilia (J. E.ick S. J.). — Xylarice nigripedi, K. scoticce, X. rhizo- 

 morphce etc. affinis, sed satis distincta. 



7. Xylaria brevipes Sacc. et Fairm. in Saccardo, Microm. Amer. 4483 

 novi, Journ. of Myc. XII (1906) p. 47. — Stromatibus solitariis 



V. rarius binatis, lignicolis, cylindraceis, basi rotundatis paullo 

 crassioribus, sursum sensim tenuatis, brevissime stipitatis, ob o- 

 stiola acutiuscula vix prominula asperulis, glabris, opace nigris, 

 intus candidis, totis 2,5 cm. longis, 3 mm. diam. ; stipite crassiu- 

 sculo, cylindraceo, longitrorsum sulcato, glabro, nigro, 1-3 mm. 

 long., 1-1,5 mm. cr. ; peritheciis immersis, globosis, monostichis, 

 250-300 ;j.. diam., nigris; ascis cylindraceis longe sensimque te- 

 nuato-stipitatis, parte sporif. 70 » 5,5-6 ; sporidiis recte v. oblique 

 monostichis, ellipsoideis, insequilateris, utrinque obtusatis, 11-12 « 

 4-4,6, fuligineis. 



Hab. ad truncos dejectos pr. Lyndonville, New York, 1905. 

 — Pertinet ad subgen. Xyloglossa Sect. h. Habitu aliquid accedit 

 ad .Y. corniformem et A'. cupressiformem sed characteribus variis 

 recedit. — Var. africana Sacc, Myc. cong. novi, Ann. Myc. IV 

 (1906) p. 75, tab. II, fig. 4. — A typo americano differt ostiolis 

 paullulo minus prominulis, substantia interiore Hgnicolore nec alba. 

 Totus fuugus nigricans, 4,5-5 cm. altus, 3,5-4 cm. cr., stipes 7-8 

 mm. longus, 1,7-2 mm. cr., sulcatus, glaber; sporidia 9-10*5; 

 asci breve stipitati, 60 ^ 5,6-6, parte sporifera. — Ad caudices, Ki- 

 santu, Oongo Afric;e (J. Gillet). 



8. Xylaria fibula Massee, Kew BuII. n. 7 (1906) p. 256. — Stroma- 4484 

 tibus sessilibus, pulvinatis, subtus umbilicatis, extus fusco-atris, 

 opacis, minutissime granulatis, intus albo-farctis. suberosis, 1-1,6 



cm. latis; peritheciis majusculis, globosis, vix papillato-ostiolatis; 

 ascis cylindraceis apice obtuse rotundatis, basi elongato-pedicellatis, 

 paraphysibus filiformibus obvallatis, octosporis; sporidiis oblique 



