Pyreaomycctew, Sphseriaccvo, PhfBOSporso, Ceratostoma. 481 



sione angulosis, 250-300 a. alt. 100-150 p.. diam,, atris, coriacellis. 

 ostiolo minuto, recto non v. vix stroma perforante donatis; ascis 

 cyiindraceis, 70-75:5 4, apice obtusissime rotundatis, basi modice 

 attenuato-stipitatis, octosporis aparaphysatis,- sporidiis recte mo- 

 nostichis, cylindraceis v. cjlindraceo-subeliipticis, utrinque trunca- 

 tis V. vix rotundatis, 6-7,5^3-4,5, grosse 2-guttuiatis, hyalinis. 



Hab, ad truncos emortuos putrescentes in silvis subvirgineis pr. 

 Guarapi Brasiliae. — Species praedistiucta ; an huc Hypojcylon sty- 

 gium ducendum? 



Sect. 2. Pliseosporic. 

 CERATOSTOMA (Fr.) Sacc. -. Syll. I, p. 215. 



1. Ceratostoma arcuatirostre Speg. F. Fueg. n. 158. — Peritheciis i''75 

 sparsis vel laxe gregariis, superficialibus, semiimmersis, globuiosis, 

 250-300 u. diam., atris, glabris, carbonaceis, cpacis, ostiolo erecto 



vel decurabente, longissimo, terraissinio, 750-1000^30-50, acuto, 

 fragili, levissimo, arcuato ornatis ; ascis mox diffluentibus, cylin- 

 draceis; sporidiis globosis vel sublimoniformibiis, raagnitudine lu~ 

 dentibus, 10-15 =; 0-10, saepius 12:^8, fuligineis, utrinque apiculo 

 minutissimo, vix perspicuo, hyalino auctis, 



Hab. in fragnientis iigneis putrescentib.us pr. Ushuvaia Ame- 

 ricai australis. 



2. Ceratostoma subdenudatum Peck 32 Rep. p. 52. — Peritheciis im- 1976 

 mersis v. superficialibus, sul)gIobosis, 500-625 a. lat., nigris, sub- 

 inde pilis paucis, sparsis, rectis praeditis, ostiolis cylindraceis, rectis 



V. subcurvulis, obtusis, interdum obiiquis, perithecii diametro aequi- 

 longis V. brevioribus ; ascis cylindraceis; sporidiis 1-stichis, couti- 

 nuis, oblongo-ellipsoideis, 1-guttatis, hyaliais, 12-14=; 5. 

 llab, in ligno dejecto, Caiskill Mountains Amer. bor. 



3. Ceratostoma Rosae Rich. Cat. Champ. Marn. n. 1133. — Ostiolis 1977 

 lilirorraibus ; ascis rotundis, 4-sporis ; sporidiis brunneis, ovoideis. 



Hab. in ramis emortuis Rosa? spi n os issimae, St. Amand 

 Manie GalliDe. 

 A. Ceratostoma jurnperlnum Ell. et Ev. Proc. Phil. 1890, p. 22G. — Pe- 1973 

 ritheciis gregariis, subuliformibus, nigris, 700-800 [k alt., apice sub- 

 incrassatis, subtus inflatis et circ. 150 [j., cr.; ascis e basi ovoideo- 

 inflata oblongo-ellipsoideis, circ. 12 s 6, basi gracili, 12-15 p.. long., 

 pragditis; sporidiis couferto-distichis, ovoideo-globosis, brunneis, 

 -l w 3,5 vol pauUo minoribus, 



31 



