— 57 - 



gissimo tenuissimo ( 750-1000 X 30-50 [j.) acuto fra- 

 gili laevissimo arcuato oruata; asci mox dilflueutes, 

 cyliudracei?; sporae globosae v. sublimouiformes, mag- 

 nitudiue ludeutes ((0-15 X 6-lOix— saepius 12x8 y.), 

 fuligiueae, utriuque apiculo miuutissiuio vix perspicuo 

 hyaiino auctae. 

 Hab. lu fragmeutis ligneis putrescentibus prope Ushu- 

 vaia, Maj. 1882. 



159. CHAET0MIU3I PA]\]vosiM Walr. — Sacc, Syll. I, p. 221. 

 Hab. In foliis caulibusque putresceutibus Brassicae napi 



prope Ushuvaia, Maj. 1882. 



160. SORDARIA PSEUDOMINUTA SpCg. (u. Sp.) 



Diag. Perithecia sparsa, semiimmersa e globoso pyrifor- 

 mia (250-300 \x diam.), obtuse minuteque ostiolata, 

 atra glabra crassiuscule membranacea, contextu pa- 

 renchymatico fuligineo douata ; asci mox diffluentes, 

 octospori; sporidia fuliginea oblique monosticha, ellip- 

 tica, uou V. vix sublimouiformia (25-28 X 12-14 i^-), 

 caudis, altera apicali iuvoluta globulum (6 {j. diam.) si- 

 mulante, altera basali recta cyliudracea (12-18 x4 [x), 

 hyalinis ornata. 



Hab. lu fimo vaccino in herbosis prope Ushuvaia, Maj. 

 1882. 



Obs. Species S. mlnuta Fuck. peraffiuis, perithecii, 

 glabris, sporidiis majoribus satis recedens. 



161. SORDAIIIA HYPOCOPROIDES Speg. (u. Sp.) 



Diag. Perithecia e globoso pyriformia (450-500 ;;. diam.), 

 immersa, ostiolo crasso obtuso nou v. vix exerto do- 

 uata, giabra, atra, crassiuscule membrauacea, coriacella, 

 contextu indistincto ; asci cylindracei apice rotuudato- 

 truncati, crasse tunicati, 3-foveoIati, basi in pedicello 

 breviusculo attenuati ( 160-200 x 20 [x), octospori. 



