Pyrenomycetfp, Perisporincefr, Dimerospnrium. Ho 



versum et cum Dim. Baccharidis Sacc. et D. punctiformi P. Henn. 

 non comparanclum. 



. Dimerosporium Ricl(ianum Sacc et Syd. in Saccardo, Not. Myc. IX, 3425 

 Ann. Myc. v. V (1907) p. 177. — Subiculo epiphyllo, superficiali, 

 maculiformi, fusco-olivaceo v. subrufo, ex hyphis angustissimis, 

 4-5 |j.. cr,, repentibus, rectiusculis, radiantibus obsolete septulatis 

 formato; maculis 2-4 mm. latis v. coniluendo amplioribus; peri- 

 theciis in subiculo subsuperficialibus, gregaiiis, minutissimis, glo- 

 bulosis, 60-80 jj-. diam., astomis, verticeque minute sinuose dehi- 

 scentibus; contextu minute celluloso, membranaceo, rufo-fusco ; 

 ascis ovoideis, apice obtusis, basi breviter apiculato-stipitatis, 36 « 

 14, octosporis; sporidiis subtristichis, fusoideis, utrinque acutis, 

 rectiusculis, 14-15 ^^ 4, uniseptatis , non constrictis , eguttulatis, 

 hyalinis. 



Hdb. in foliis adhuc vivis planta; ignotie (arborescentis ?), Sao 

 Leopoldo Brasiliie (Pat. J, Rick, communic. H, Sydow). 

 , Dimerosporium minutissimum v. Hohn. Fragm. Mykol. VII (1909) 3426 

 p. 45. — Epiphyllum peiliculas 4-5 mm. latas, nigricantes, tenues, 

 subinde confluentes formans; hyphis 2-3 [x. cr., irregulariter flexis; 

 peritheciis ovoideis, 45-60 [j.. diam., tenui-membranaceis, sursum 

 obtuse conoideis, glabris, superficialibus sparsis; hyphis sterilibus 

 erectis, septatis, brunneis, 80 « 4-5, apice conidium cylindraceum 

 2-4-ceIIuIare, 18-22^:^2-4 gerentibus; ostiolo nullo v. obsoleto; pa- 

 raphysibus filiformibus dein evanidis; ascis paucis ovoideo-ellipticis 

 V. breviter clavatis, infra inflatis, apice incrassatis, octosporis, 21- 

 36 >!» 11-13; sppridiis clavulatis, polystichis, hyalinis, bicellularibus, 

 cellula sup. paullo latiore et breviore, rectis curvulisve, utrinque 

 rotundatis, 12-14^3-4, extus submucosis. 



Hah. in foliis arborum, socia A s t e r i n a c o n s i m i I i in Ilorto 

 botanico Buitenzorg ins. Java. — D. subpiloso affine. 

 Dimerosporium Adianti-curvati Rehm, Ann. Mycol. V (1907) p, 522, 3427 

 — Peritheciis in maculis hj^pophyllis fusco-nigricantibus oblongis. 

 ca. 1 cm. long., 0,5 cm. lat., ex hyphis Meliol.o cujusdam centri- 

 fugis formatis gregariis, sessilibus, globulosis, atris, glabris, 60-80 

 |j,. diam., parenchymatico-contextis ad basim hyphis simplicibus 

 fuscidulis affixis ; ascis ovalibus, apice crasse tunicatis, 30-35 « 

 10-12 octosporis ; sporidiis oblongo-clavatis, rectis, hyalinis. non 

 constrictis, 12 *:? 3, 2-3-stichis ; paraphysibus tenerrimis, ramulosis. 



Hab. in fronde Adianti curvati, Sao Francisco, Brasilia 



