109 



220. DlMEROSPORIUM MICROSPORUM Speg. (ll . Sp.) 



Diag. Parasitans ; perithecia globosa astoma glabra ; asci 

 subcylindracei paraphysati ; sporidia obovata pallide oli- 

 vacea . 



Hab. Ad foliaplantae ignotae in Meliola quadani parasiticum 

 prope Apiahy, Hiem. 1881 (sub n. 1612). 



Obs. Hypothallus fibroso-mucedineus tenuissimus hyphas 

 subiculi incrustans olivascens; perithecia sparsa v. hinc 

 inde gregariaglobosaminuta (80-100y-)astomaatra, laevia, 

 membranacea, contextu parenchymatico olivaceo parum 

 distincto; asci cylindraceo-obclavati (28-30 X 7-8 y) sur- 

 sum subtruncato-rotundati, tunica modice incrassata, 

 deorsum brevissime crasseque stipitati octospori, para- 

 physibus densis fluxilibus obvallati; sporidia 2-3-sticha 

 obovata v. elliptico-obovata (7-9 X 3,5 y) superne obtuse 

 inferne acute rotundata, medio 1-septata non v. vix con- 

 stricta, loculis subaequilongis, pallide olivacea. 



221. DlMEROSPORIUM MELIOLICOLUM Speg. (u. Sp.) 



Diag. Parasitans ; hypothalkis mucedineus ; perithecia glo- 

 bosaastoma glabra; asci obclavulati paraphysati ; sporidia 

 obovata pallide olivacea. 



Hab. In Meliola quadam ad folia plantae indeterminatae 

 prope Apiahy, Aut. 1881 (sine n.). 



Obs. Hypothallus fibroso-mucedineus vix perspicuus tenuiter 

 liyphiis subiculi incrustans; perithecia hinc inde glo- 

 merulata globosa niinuta (80-100/^) astoma laevia atra 

 membranacea, contextu parenchymatico olivaceo parum 

 distincto; asci obclavati (30-35 X 8 y) antice obtuse ro- 

 tundati crassiusculeque tunicati, postice brevissime cras- 

 seque pedicellati, octospori, parapliysibos paucis filiformi- 

 bus simplicibus v. ramulosis immixti; sporidia obovata, 

 (10-12 X 4-4,5//.) medio 1-septato-constrictula, loculis 

 subaequilongis, infero graciliore, primo diu liyalina 4- 

 blasta, dein eguttulata, pallide olivacea. 



