132 ANALES DE LA SOCIEDAD CIENTÍFICA ARGENTINA 



Obs. Species saepius in consortio meliolarum v. dimerosporiorum, 

 an potiiis in illis parasítica? 



172. ASTERIDIüM? BAMBUSELLUM Speg. (n. sp.) 



Diag. Epiphyllum ; mycelium nullum v. vix e fibris paucis eras- 

 sis, brevibus, fuligineis intricato-ramosis compositum; perithe- 

 cia hinc inde in plagulas lineares, strictas ac breves (2-5 mllm. 

 Iong.x0,2-0,5 mllm. lat.) disposita, dense constipata, basi 

 subconfluentia (an veré confluentia et tándem Dolhideaceaf), 

 globosa (180-220 diam.), atra, glabra, rugulosa, astoma (?) sed 

 per aetatem lacero-dehiscentia, membranaceo-coriacella, con- 

 textu crassiusculo, obscure parenchymatico-sinuoso, olivaceo- 

 fuligineo ; asci cylindracei v. subcylindraceo-clavati, ápice sub- 

 truncato-rotundati crassiusculeque tnnicati, deorsum attenuati, 

 breviterque noduloso-stipitati (65-75 x8), paraphysati, octo- 

 spori; sporae distichae v. oblique monostichae, elongato-ellip- 

 ticae (16-20x4-5), rectae V. leniter inaequilaterales, centro 1- 

 septato-constrictae, loculis grosse 1- 2- guttulatis ac medio 

 subcoarctatis, supero obtusiore crassioreque, infero graciliore 

 acutioreque, per aetatem 3- septatae, hyalinae. 



Hab. Ad folia viva Bambusaceae cuj^sdam in uliginosis sylvae 

 Naranjo, 24Ma3. 1883 (sub num. 3830). 



173. ASTERIDIUM PERIBEBUYENSE Speg. (n. Sp.) 



Diag. Epiphyllum; mycelium late diffusum, folium totum saepe 

 obtegens, atrum, tenue, mucedineo-crustaceum, e cellulis ellip- 

 soideis V. e mutua pressione irregularibus, mediocribus (articulis 

 bypharum), grosse 2- guttulatis (5-7x3-4), olivaceis composi- 

 tum, arete foliorum epidermide adnatum ; perithecia dense 

 sparsa v. Mnc inde plus minusve aggxegata, globosa, minuta 

 (80-100), astoma, atra, glabra, tenui membranácea, contextu 

 parenchymatico, parum distincto, oliváceo; asci pauci, ovati v. 

 obclavati, antice truncato-rotundati atque crassissime tunicati 

 (túnica 6-8 crass.), postice abrupte atlenuato-coarctati, minute 

 noduloseque stipitati (26-28x10-12), octospori, aparaphysati ; 

 sporae polysticliae, elongato-ellipsoideae (12-14x 3), rectae v. 

 inaequilaterales, medio 1 -septatae, vixconstrictae; loculis centro 

 1 -septatis, non constrictis, supero crassiore brevioreque, hyalinae. 



Hab. Ad folia viva arborum in sylva montana Naranjo, Cordillera 

 de Heribebuy, 24 Maj. 1883 (sub num. 3833). 



