fungí güaranitici 131 



(1-3 mllm. Iong.x0,5-1 mllm. lat.), laxe hinc iiide gregarias, 

 rarissime confluentes efficentia, crustaceo-puberulum, atrum, 

 compactiusculum, e fibris longiusculis dense ramoso-intertextis, 

 subgracilibus (4-5 crass.), deusiuscule septatis, testaceis compo- 

 situm; perithecia in maculis dense 8-15-aggr3gata, globosa, 

 párvula (120-130 diara.), atra, astoma (?), pilis brevibus (20-30 

 x5-8), dense grosseque septatis, ápice obtusis ac saepe incur- 

 vis, testaceis vestita, contextu indistincte spongioso-coriacello, 

 rufo-fuligineo, subopaco ; asci cylindracei (78-100x6-7), ápice 

 truncato-rotundati, et crassiuscule tunicati perforatique, basi 

 breviter attenuato-stipitati, aparaphysati, octospori ; sporae 

 disticbae v. oblique monostichae, elliptico-lanceolatae, utrin- 

 que obtusiusculae, medio 1-septatae, non v. vix constrictae, rec- 

 tae V. subcurvulae (18-20x3-4), loculis non v. minute 2-gut- 

 tulatis, supero saepe subbreviore crassioreque, hyalinae. 

 Hab. Ad folia viva Bambusaceae cujusdam in uliginosis, Pasto- 

 reo de Caá-guazú, Jan. 1882 (sub num. 3539). 



Hyaloderma Speg. (n. gen.) 



Diag. Mycelium biogenum, tenue, dematicum; peritbecia minutis- 

 sima, globosa, astoma, deorsum merenchymatico-radiantia per- 

 sistentia, fusca, sursum anhysta, mucedinea, hyalina, mox fati- 

 scentia, glabra ; asci obovati, octospori, aparaphysati ; sporae 

 aciculares, pluriseptatae, hyalinae. 



171. Hyaloderma imperspicuum Speg. (n. sp.) 



Diag. Hypophyllum rarius epiphyllum; mycelium tenuissimum 

 vix perspicuum, arete epidermide foliorum adnatum, mucedineo- 

 fibrosum, atrum, radians, plagulas fuscas hinc inde efñciens ; 

 perithecia inplagulis laxe gregaria, minutissima (60-80 diam.), 

 globosa, astoma, fuscidula, postice membranácea persistentia, 

 contextu merenchymatico-radiante, antice anhysta, hyalina, fa- 

 tiscentia; asci pauci (vix 8-12), obovati, sursum late rotundati ac 

 crassissime tunicati, deorsum attenuati, breviter noduloseque sti- 

 pitati (40-45x12-18), octospori, aparaphysati ; sporae fusoideo- 

 aciculares , utrinque acutiusculae (30-38x2-2,5), 4-septatae, 

 ad septa non v. vix constrictae, lóculo secundo supero crassiore, 

 hyalinae. 



Hab. Ad folia viva arborum {Sapindacearum, Solanacearum etc). 

 in sylvis prope Guarapi, Jul. 1883 (sub num. 3795). 



