Perisporiaceae, Perisporieae, Dimerosporium, 13 



Hab. ad folia viva Osyridis compressic in Proinontorio 

 Bonae Spei Afr. austr. (Mac-Owan). 

 '■3. Dimerosporjum eutrichum Sacc. et Herl. in Rev. Myc. 1885, tab. 6224 

 LIV, lig. 4. — Peritlieciis subiculo atro insidentibus, splKeroideis, 

 vix papillatis, atris, 140-1.50 y. diam. ; hypliis repentibus, ramosis, 

 8 y.. crassis, fuligineis, septatis, ramulis brevibus, obovatis, l-septa- 

 tis, fere sporomorpiiis; ascis rosulatis, cylindraceo-clavatis, apice 

 rotundatis, sessilibus, 36-43=; 8-10, octosporis; sporidiis mono-vel 

 distichis, oblongis, didyniis, loculo superiore vix crassiore, apice ro- 

 tundato, infero acutiore, ad septum leniter constrictis, 11-13^3, 

 hyalinis. 



Hab. in pagina inferiore foliorum Santos in Brasilia. — 



Sporidia subinde (spurie?) triseptata visa. 



*4. Dimerosporium verrucicolum Wint. in Hedw. 1885, p. 24. — EfFu- 0225 

 sum, h}'pophyllum, fuliginosum; mycelio ex hypliis ramosissimis, 

 torulosis flexr.osisque, dense radiatimque contexto; peritheciis gre- 

 gariis, globosis, tenuissime membranaceis, fuscis, verticem versus 

 obscurioribus, in centro irregulari-rotundate dehiscentibus, 105 ;; 

 120 u. lat. ; ascis late oblongis, sursum parum longeque, deorsum 

 stipiteforme attenuatis, 8-sporis, 35-44 s 12-14; sporidiis conglo- 

 batis, oblongo-subfusiformibus, medio uniseptatis, vix constrictis, 

 hyalinis, 16-17,5^3,5-4. 



Hab. ad folia viva Olese verrucosse in monte Boschberg, 

 Promont, Ijonae Spei (Mac-Owan). 



5. Dimerosporium meiioloides (B. et C.) Eliis in Journ. of Myc. 1885, 105 

 p. 146. Asterina melioloides B. et C. Grev. 4, p. 10, Sacc. Syll, 

 I, p. 46, Meliola Baccharidis, B, et Rav. Grev. 4, pag, 158, — 

 Perithecia brunneo-atra, globosa, rugulosa, astoma, epiphylla, sti- 

 pata, 80-95 y., diam., hyphis radiantibus, brunneis insidentia; asci 

 cylindrico-clavati , 8-spori, 33-40:^10-13; sporidia hyalina, stib- 

 cymbiformia, 1-septata, 1-2-seriata. 



^7. Dimerosporium guarapiense Speg. Fungi Guar. Pug. I, n, 169. ^^ggf) 

 — Epiphylluui; mycelio teiuiissimo, epidermidi foliorum arcte ad- 

 nato, maculas atras, subparvulas, 1-3 mm. diam., laxiuscule spar- 

 sas, saape tamen confluentes ac fere totum folium occupantes ef- 

 formante, e fibris gracilibus, 2-2,5 y.. crass. ramosis, dense intri- 

 cato-intertextis, hyphopodiis destitutis, substantia mucosa connexis, 

 obscure septatis, brunneo-fuligineis composito; peritheciis globosis, 

 minutissimis, 80-150 y.. diam, hinc inde per mycelium laxe con- 

 fertis, atris, astomis, pilis paucis, sa3pius 8 vel 10, minutis, 30- 



