K. STARBÄCK, ASCOMYCETEN. 15 



fere detruncato, distincte papillulata, circa 50U ,« diam. Asci 

 resorpti. Sporidia ellipsoidea, biguttulata, 6,5 — 9 x 3,5 — 5 ,t/. 

 — Hab.: Brasil., Rio Grande do Sul, col, Ijuhy ad trnncuni 

 putreseentem in silva primoeva, ^^/s 1893, N:o 307. 



R. caespitosa Starb, nov. sp. Fig. 29 — 31. 



Perithecia densissime et ctespitosim agg-regata, conflueutia 

 vel superiore parte libera, stromate basilare semper conjuncta, 

 cylindracea, apice detruncatim rotundata, fusce fnrfuracea, 

 deinde nigra nitida, non ostiolata, sed ad verticem operculatim 

 disco absorpto aperta, 2 — ") mm. alta, 1 — 2 mm. lata, textura. 

 densissime carbonacea. Ascos non inveni. Sporidia oblongata 

 vel ellipsoidea vel interdum t'ere sphserioidea, navicnlaria,. 

 olivaceo-fusca, interdum ad apices gnttnlata, 7 — 14 x 6 — 9 u 

 vel 6 — 7 i-i diam. — Hab.: Brasil., Matto Grosso, prope 

 Coxipö, ^V^ 1894. — Species peritheciis grandibus, ostiolis 

 carentibus distincta. Cfr. Henningsinia Moell. 



B. iiiacrosperma Speq, 



Hab.: Argentina, Buenos Aires, in delta fluminis Parana 

 ead Cyperaceas, ^^j\i 1894. — Mycelium bine inde subiculum 

 tenuissimum et laxissimum vage ambiens format. 



R. parag-uayensis Starb, nov. sp. Fig. 32 — 35. 



Subiculum pannoso-crustaceum, late ambiens, densissime 

 fasciculis rigidis setis rectis, arcte conglutinatis, sub lente 

 fuscis, sursum dilutioribus, laxioribus, curvulisque, 3 — 4 t.t 

 crassis compositis, inter se divergentibus vel irregulariter 

 confusis, usque ad 1 mm. altis obsessum, nigro-fuscum vel 

 fere nigro-violaceum. Perithecia gregaria, interdum nonnuUa 

 conferta, primo bysso immersa, basi fasciculis coronatim cincta, 

 lenticularia, deinde erumpentia, late conica, tomento subiculi^ 

 sursum tenuiore vestita, verticem versus levia, opace nitida, 

 nigra, papillata vel convexiuscule applanata, abruptim conice 

 papillata, 1—2 mm. diam. Asci lineariter cylindracei vel 

 fere filiformes, sursum magnopere incrassati, deorsum longe 

 pedicellati, pars sporifera, pedicello duplo longior, 200 — 225 

 X 8 — 9 LI. Sporidia octona dense imbricatim vel irregulariter 

 monosticha, anguste fusoidea, insequilateralia vel lenissime 

 curvula, acutata, sed plerumque utrinque obtusiuscule cy- 

 lindrice attenuata, velo mucoso ad apices manifestiore arctissime 



