284 Sphseriacese, Dictyo.sporae, Pyrenophora. 



melleis, extremitatibus siepe pallidioribus. In caulibus Urabelii- 

 ferarum iti Algeria (Trabut). 



17. Pyrenophora hispida (Niessl) Sacc, Pleospora hisynda Niessl No- 3857 

 liz. ueb. n. k. Pyr. pag. 193, tab. IV, fig. 17, Sacc. Fungi ital. 

 tab. 553, Plmspora coronata var. hispida Rehm, Ascom. u. 342. 



— Peritheciis gregaris in matrice fuscescente vel eanescente sub 

 epiderraide nidulantibus vertice erumpentibus, depresso-globosis , 

 collabascentibus, ostiolo papillaeformi urabilicatis, majusculis, 300- 

 350 u. diani., atris coriaceis, basi fibrillosis, superne setis sparsis 

 brevibus rigidis simplicibus atris instructis; ascis obiongo-elavatis 

 stipite brevi, 8-sporis, 90-11.0 ~ 18-22; sporidiis distichis, interdum 

 subraonostichis, oblongo-ovatis rectis vel inoequilateralibus, rotun- 

 datis, vel superne parum acutiusculis, transverse 7-septatis, medio 

 constrictis, in longitudine 1-2-septatis, 21-27^10-13; paraphy 

 sibus sparse ramosis, 



, llab. in caulibus emortuis Artemisias, Lithospermi, Ura« 

 belliferarum etc. in Austria, Germauia, Italia. 



18. Pyrenopliora Tragacanthae (Rabenh.) Sacc, Pleospora Traga- n^», 

 canthce Rabenh. Hedw. 1877. pag. 118 (absque diagnosi). — A 



Pl. hispida differt: ascis crasse cvlindraceis, subsessilibus, apice 

 rotundatis, 105-1 15 «36, octosporis; sporidiis distichis obovato- 

 oblongi3, utrinque rotundatis, 35-37^15-18, medio constrictis , 

 7-septatis dense muritbrmibus, fuligineis. 



Hab. in spinis petiolisque Astragali Tr agacanth se in 3859 

 Monte Cenisio (C. E. Broomr). — Partes fungillo affectse nigreseunt. 

 .19. Pyrenophora Androsaces (Fuck.) Sacc. Pleospora Androsaces 

 Fuck- Syrab. myc. App. 3, pag. 19. Pleospora Fuckeliana Niessl 

 Not. pag. 34, tab. IV. fig. 16. — Peritheciis sparsis, foliorum 

 aridorum pagina superiori innatis, demum subliberis, rnedia ma- 

 gnitudine, 150-200 w. diara., iate conicis, aterrimis, vertice pi- 

 lis concoloribus, strictis, perithecium dirnidium sequantibus coro* 

 natis; ascis niox fluxilibus, 8-sporis, amplis, ovato-oblongis 110- 

 I 40 c 36-50; sporidiis oblongo-ovatis, antice paullo latioribus. 

 rectis, 6-7 transverse septatis curn septis multis longitudinalibus 

 1 -3-seriatis, ad septa parurn vel vix constrictis, primo flavis, de- 

 mum fuscis et totis opacis, 37-45 s 21-25. 



Hab. in foliis vetustis, adhuc pendulis Androsaces helve- 

 ficce et C h q rn sej asme, nec non Silenes acaulis in Helvetia 

 (Fockel) et Tyrolia (Hausmank). — Ascis crassissimis subovatis 

 mox dignosconda species. 



