— 51 — 



rotundati, deorsum raodice attenuato-stipitati (105-130 

 X 20-23 [x), paraphysijjus parcis, crassis, fluxilibus 

 ob\'allati, octospori ; sporae recte distichae, elliptico- 

 obovatae, utrinque obtusae (27-30 X 10-11 [j.), medio 

 1-septatae, non \. vix constrictae, loculis 3-horizonta- 

 liter 1-2-verticaliter septatis, primo flavidae, dein oliva- 

 ceae ac vix pellucidae. 



Hab. Ad scapos dejectos putrescentes Armeriae andinae 

 in Gregory hay, Apr. 1882. 



Obs. In ascis sporas murales gerentes adsunt etiam saepe 

 sporae nonnullae bilocularestantum, obscure fuligineae 

 eadem magnitudine ! 



148. Pyrenophora ANTARCTrcA Speg. (n, sp.). 



Diag. Perithecia sparsa e conoideo globosa (250-300 [x 

 diam.) superne tantum matrice exerta, atra, ostiolo vix 

 papilluhito laxe minuteque peniciilato-setuloso (setulis 

 conico-cylindraceis (40 X 3 [x), atris, opacis coronata, 

 caeterum glabra, iaevia, subcarbonacea, contextu opaco 

 indistincto ; asci cylindraceo-subclavati, apice subtrun- 

 cato-rotundati crasseque tunicati, basi in stipite brevi 

 crassiusculoque producti (70-75 X 9-10 [j.), octospori, 

 paraphysibus paucis, crassiusculis, guttulatis obvailati ; 

 sporae recte distichae, elliptico-subclavulatae, saepius 

 uonnihil inaequilaterales (14-16 X 5-6 [>.), medio 1-sep- 

 tato-constrictae, loculo supero crassiore oi)tusioreque 

 1-rarius 2-horizontaliter et 1-verticaliter septato, infero 

 acutiusculo graciliore 2-horizontaliter, non v. 2-verti- 

 caliter septato donatae, primo flavidae, dein obscure 

 fuJigineae. 



Hab. Ad folia emortua putrescentia Azorellae cujusdam 

 in Gregory bay, Jun. 1882. 



149. Pleosphaerfa patagojnica Speg. (n. sp.). 



Diag. Perithecia in ligno denudato v. cortice libero 



