K. STARBÄCK, ASCOMYCETEN. 11 



dicto, ^-A 1894, N:o B 521 (Lindman). — Unacum Dime- 

 rosporio parasitante. 



Pyrenom ycetineae. 



Dimerosporiuin. 



D. iiiicrocarpniii Starb, nov. sp. Fig. 22 — 23. 



Mycelium in hyphis hyphopodiis prseditis melioloideis 

 partim parasitans, subiculum membranaceura, orbiculariter 

 expansum, vage determinatum, griseo-fuscum formans, hyphis 

 ramulosis, septatis, fere hyalinis, 2,5 — 3 f.i latis compositum. 

 Perithecia hinc inde sparsa, paullum aggregata, appendicibus 

 longe repentibus, fuscis, ramosis, septatis, circa 5 fi crassis 

 ornata, globulosa vel ovato-globulosa, textura membranacea, 

 nigricantia, (i5— 75 u diam. vel 70 x 44 u. Asci pauci, sessiles, 

 ovoidei vel ovoideo-oblongati, sursum incrassati, 32 — 40 x 

 15 — ^18 f.1. Sporidia octona, conglobata, clavulata, medio- 

 septata, non constricta, sursum obtusata, deorsum acutiuseule 

 attenuata, primo hyalina, denique fuscescentia, 17—21 x 

 4 — 5 ji/. Conidia ex hyphis mycelii orientia, clavulato-oblonga, 

 uni- triseptata, plerumque longe et hyaline pedicellata, fusca, 

 usque ad 19 (25 cum app.) x 6,5 ^/. — Hab.: Brasil., Måtto 

 Grrosso, Macoco in territorio silvse primsevse Poaia dicto, ^-/4 

 1894, N:o B 525 (Lindman). — D. imperspicnum Speg. 

 sporidiis elliptico- subovatis aliis notis exceptis differt. 



D. parasiticiim Starb. nov. sp. 



Perithecia mycelio hyaline vel interdum obscuriore in 

 Meliola parasitante passim insidentia, sphserioidea, astoma, 

 tenuiter membranacea, cellulis polygonis, minutis, 75 — 100 u 

 diam. Asci oblongati vel cylindraceo-oblongati, nodulosim sti- 

 pitati, sursum rotundati, 26 — 28 x 8 — 11,5 /,<. Sporidia octona. 

 conglobata vel fere disticha, oblongato-ovoidea, medio septata, 

 constricta, utrinque rotundata, loculo superiore c^dindraceo- 

 rhomboideo, breviore et latiore, inferiore cylindrico, primo hya- 

 lina, deinde olivacea, plerumque biguttulata, 9 — 10 x 4 — 5 u. 

 Paraphyses nullse. — Hab.: Brasil., Måtto Grosso. Macoco 

 in territorio silvse primsevse Poaia dicto, ^'-/4 1894, N:o B 525 



