Splui;riacon3, Dictyospor?e, l*yrcnoplior;i. 177 



fiisciji, 4 y.. cr. obsesiiis; ascis crassis, clavatis, S-sporis, 12():::o0; 

 sporidiis 2-sticliis, plus ininusve ovatis, obtusis, flavo-fuscis, trans- 

 verse 8-septatis, longitudinaliter 3-septatis, inedio liaud constri- 

 ctis, 30-30 =; 15; parapliysibus filiforinibus ; Jodii ope opisporio 

 cojruleo-tincto. 



Hab. ad folia et pedunculos siccos Cerastii latifoiii juKta 

 glaciem a-ternaui inontis Ortler propo Sulden in Tirolia (Dr. liunM). 



*13. Pyrenophora paucitricha (Fuck.) Berl. et Vogl. Pleospora pau- "^i"! 

 cilricha Fuck. in Die zweite deutsch. Nordpolarf. II, pag. 32, tab. 

 I, fig. 3. — Peritheciis ininutissimis, sparsis, subsuperficialibus, co- 

 nicis, aterrimis, vertice pilis paucis, brevibus, rigidis, concoloribus 

 obsitis; ascis ovato-obloiigis, utrinque obtusis, subcurvatis, tunica 

 crassa pra;'ditis, 8-sporis, 112-34; sporidiis imbricato-subdisticliis, 

 oblongo-ovatis, utrinque obtusis, rectis, 5-septatis inuriformibusque, 

 medio constrictis, fuscis, 34-13. 



Hab. in foliis exsiccatis delapsis Salicis arcticae, Kaiser- 

 Franz-Joseph-Fjord in Groenlandia. 



*17. Pyrenophora oligotricha (Niessl) Berl. et Yo^\. Pleospora oli- im 

 golricha Niessl ia litt. llehm in Hedwigia 1885, p. 237. — Pe- 

 ritheciis gregariis, minutissimis, 0,2 mm. diam., sessilibus, glo- 

 bosis, ati'is, parenchymatice, fusce contextis, vertice setis 8 fu- 

 scis, acutis, simplicibus, septatis, rigidis, 60-120 ^; 5-6 et basi ple- 

 rumque liyphis norinuUis, plus minusve longis, simplicibus, fuscis, 

 circ. 4 [}.. crass. obsessis; ascis ellipfico-clavatis, brevissime stipi- 

 tatis, crassis, 8-sporis, 75(-90):il8; sporidiis distichis, oblongis 

 et subclavatis, obtusis, rectis, melleis, transverse 8-, longitudina- 

 liter 1-septatis, medio haud constrictis, 21-25:^9-10; paraphysi- 

 bus filiformibus; Jodii ope episporio coeruleo-tincto. 



Hah. ad caules putridos Trifolii pallescentis juxta gla- 

 cies jeteriias montis Ortler prope Sulden in Tirolia (Dr. Rehm). 



*21. Pyrenophora chrysospora (Niessl) Sacc. Syll. II, p. 285. Var. :^86i 

 poiaris Karst. in Hedw. 1884, p. 38, Pleospora herharum Karst. 

 Fungi Spetsb. p. 98, pr. p. — Peritheciis erumpentibus, subsphajroi- 

 deis, ssepe ostiolo papillato, vertice setulis parcis, erectis, divergenti- 

 bus, brevibus instructis, circ. 0,2 mm. latis ; ascis oblongatis v. oblon- 

 gato-clavatis, brevissime pedicellatis, 90-180 = 30-44; sporidiis octo- 

 nis, di-vel subtristichis, ellipsoideis vel ovoideo-oblongatis, ad ine- 

 diuin vix vel leniter constrictis, utrinque obtusis, transverse 7- 

 raro 5-septatis, septulis longitudinalibus liinc inde interruptis 1-3 

 accedentibus, rectis, inajquilateralibus vcl leniter curvulis, aurois 



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