Pyrenomyeet^p, Sphfrriacese, Phppojihragnnise, Leptosphrprla. 515 



miuata paucis laxeque aggregatis immersis, globosis, minutis, 150- 

 200 /x. diam,, atris, glabris, levibus, ostiolo vix papillato epider- 

 midem perforante sed non exserto coronatis, tenui-menibrauaceis, 

 <?ontextu parenchyraatico-sinuoso olivaceo; ascis obclavulatis, apice 

 obtuse robundatis, brevissime noduloseque stipitatis, 70-80 * 14-15, 

 aparaphysatis (?), ootosporis; sporidiis recte v. oblique distichis, e 

 fusoideo cylinrlraceis v. subclavulatis, rectis v. subinaequilaterali- 

 bus, utrinque obtusis, 22-24 ^ 6-7, trisept^tis, ad septa, pr?ecipue 

 ad mediuni constrictis, loculo secuudo supero srepius paullulo cras- 

 siore, primo melleis, dein intense fuligineis. 



Hab. ad foHa emortua putrescentia Gynerii argentei, in 

 paludosis ins. Santiago pr. La Plata Argentinae. 



19. Leptospliaerla ? subiculifera Speg. Fg. Arg. novi v. crit., p. 283 1B60 

 (1899). — Maculis nuUis; peritheciis minutissimis, globosis, 80- 

 100 II. diam., atris, ostiolo impresso, 20 p. diam. pertusis, primo 

 tectis, dein erumpenti-superficialibus, glabris, levibus, basi hyphis 

 paucis ramulosis, 3-4 ^ji. crassis atro-fuligineis radiantibus ornatis, 

 tenui-membranaceis, sultpellucidis, contextu pareuchymatico oliva- 

 •ceo; ascis cyHndraceis, antice obtusissime rotundatis, tunica vix 

 incrassata, postice breviter cuneato-stipitatis, 70 « 10, aparaphysa- 



tis, octosporis ; sporidiis fusoideo-subclavulatis. 17-18 ^^ 5, rectis v. 

 vix inpcquilateralibus, 3-septatis, ad septa leniter constrictis, pal- 

 hde e fulvo melleis, loculis subaequalibus, secundo supero parum 

 tumidiore. 



Hab. in valleculis inter nervationes foliorura putrescentium 

 Gynerii argentei, ins. Santiago pr. La Plata Argentinse. 



20. Leptosphseria eumorpha ( B. et C.) Earle, Bull. Torr. Bot. CI. 18G1 

 1S98, p. 361, Didymella eumorpha Sace. Syll. I, p. 560, Sphcerella 

 eumorpha Cooke Journ. of Bot. 1873, Didjimosphmria eumorpha 

 Atkius. Bull. Cornell Univ. III, p. 6, Sphoeria arundinacea Rav. 



in Fung.. Car. 3, p. 57, nec Sow. — Sporidiis initio hyalinis, di- 



stincte 3-septatis, rarius 5-septatis, in maturitate autem obscure 



brunneis, dense opacis septis inoonspicuis, medio leniter oonstrictis. 



Hab. in culmis Arundinafiae variis locis in America bor. 



— Species admodum mirabilis, in maturitate septum medium tan- 



tum conspicuum ita ut hucusque sporidia a variis auctoribus uni- 



Beptata descripta essent. 



m. Leptosphaeria anthostomella Spog. Fg. Arg. novi v crit . p. 281 ^^2 



(1899). — Peritheciis densiuscule gregariis, seriatis. epidormide 



tectis atque illam iutense nigrificantibus, lenticularibus, 200-250 p. 



