Pyrenomycotfc, Dothideace?e, Oxydothis. 40i) 



cepa V. Hohn. Fragm. Mykol. VII (1909) p. 28. — Stromatibus 

 superficialibus, nigris, rugulosis, perithecioideis, ina^quahter globo- 

 sis, depressiuscuhs, sparsis v. minute aggregatis, basi angustata 

 scssihbus, 360-500^300-360, intus 1-locularibus, cortice carbona- 

 cco 40-100 cr., extus rugoso, celluhs 20 ij. diarn. nigris conflato; 

 loculo astomo, vertice diffracto-dehiscente ; ascis copiosis, crasse 

 clavato-fusoideis, superne crasse tunicatis, rotundatis, deorsum in 

 stipitem 40 [j.. long., fihformem tenuatis, octosporis, 105-150 » 

 22-32; sporidiis subdistichi.s, teneris, minute flavido-granulosis, 

 continuis, versiformibus, ex ovoideo fusoideis, utrinque obtusis, 22- 

 28 «11-17; paraphysibus genuinis nuilis 



Hah. in ramis tenelHs emortuis, Sao Paulo Brasihae (Wett- 

 STEIN et Schiffner). — A typo Botryosphvritv omniuo desciscens. 



OXYDOTHIS Penz. et Sacc. — Syll. XIV p. 674. 



1. Oxydothis insignis Spegazz., Fungi PauHst., Rev. Mus. La Plata 4715 

 t. XV (1908) p. 26, fig. G. — Stromatibus parenchymate inna- 



tis, repando-suborbicularibus 1-2,5 mm. diam., duriuscuhs subcar- 

 bonaceis, intus extusque nigerrimis, ad epiphyUum vix prominuhs 

 saepius obsoletis, cinerescenti-squarrulosis punctulatis v. concaviu- 

 scuhs, ad hypophyllum pulvinulatis non v. vix bullosis, semper 

 maculis sordide fusco-ferrugineis latiuscuhs subdeterminatis cinctis; 

 loculis globosis v. e mutua pressione angulatis, 126-175 tx. diam., 

 nueleo albo farctis, ad hypophylhim adpressis, ostiolo minuto per- 

 foratis; ascis antice obtusis crassiusculeque tunicatis postice cu- 

 neatis breviuscule pediceHatis, 100-120*15-20, paraphysibus fih- 

 formibus sublongioribus obvahatis; sporidiis distichis v. conglo- 

 batis utrinque acutissimis 4-blastis 55-60 ^ 8, serius forsan didy- 

 mis, 40 « 8, fusoideis, subhinatis v. sigmoideis, utrinque appendice 

 elongato-conoidea 10-12 a. auctis, semper tamen hyahnis. 



Hab. ed foha Eugeni;e cujusdam prope Ipiranga Mora Bra- 

 siha (UsTERi). 



2. Oxydothis pertusarioides Fiehm, in Ann. Mycol. V (1907) p. 530. 471G 

 — Stromatibus dense gregariis, ovato-orbicularibus, applanatis, in 

 cortice griseo-albo rugosulo prominenter innatis ab eoque obductis, 

 intus griseis, 1-1,5 mm. lat., 1 mm. alt., loculis in quoque stro- 

 mate 2-3 oblongis, 0,3-0,5 jj.. long., apice angustatis et in discu- 

 lum punctiformem nigrum, impressum abeuntibus, contextu stro- 

 matis et hypothecii griseo-albo, crasso, pareuchymatico, gonidiis 

 carente; ascis clavatis, crasse tunicatis, apice rotundatis, circiter 



