

184 



ceten, 1 Discomyceten, 12 Pyrenorayceten inclus. 2 „Fungi 

 imperfecta und 7 Peronosporeen. — Unter den Pyrenomy- 

 ceten findet sich eine neue Art: Dothidea Wittrockii 

 Eriksson: Stroraa efFusum, internodia caulis 2 — 3 superivra 

 turgida 5 — 25 mm longe omnino et continue circumtegens, 

 fragilissimum, e cellulis (peritheeiis) vix punctulatum, atrum. 

 Cellulae peripherica e, albae, numerosae, in stromate nidr.lan- 

 tes. Asci cylindracei, vix pedicellati, 70—80 jw longi, 6—10 t* 

 lati. Sporae 8 : nae, monostichae, ellipsoideae vel ovoideae, 

 simplices, hyalinae, 12 — 20 (i lon-ae, 4—7 (a latae. Para- 

 physes filiformes. — In caule Linnaeae borealis. 



Timmen, F. von. 



Sibir 



111, — Y. (Bulletin de la Societe des Natur, de Moscou 



1880—82.) 



(Fortsetzung und Schluss.) 



Pleospora liniperda Thüm. nov. spec. — P. perithe- 

 eiis dense gregariis, parvulis, eonico-globosis, exsertis, nitido- 

 atris, primo epidermide tectis, demum liberatis perforatisve; 

 ascis longeclavatis, basi breve stipitatis, vertice rotundatis, 

 subrectis vel areuatulis, hyalinis, octosporis, 82—88 \i long., 

 18 ji crass. ; sporis ellipsoideis , utrinque rotundatis, 

 pluriseptatis vel muriformibus, ad septa minime constrictis, 

 melleis vel luteis, 20 p long., 10 p crass. 



In caulibus emortuis Lini perennis Lin. in lapidosis pr. 

 Maidaschi. 



Sphaerella sibirica Thüm. nov. spec. — S. perithe- 

 eiis hypophyllis, interdum perforantibus, dense gregariis, 

 globosulis, semiimmersis, liberis, nitido-atris; ascis late 

 clavulatis, utrinque subangustatis, hyalinis, membrana tenui, 

 octosporis, subsessilibus, sporis longe ellipticis, utrinque 

 acutato- rotundatis, medio septatis sed non constrictis, 

 homogenis, anucleatis, hyalinis, 20 — 22 fi long., 5 — 6 fi 

 crass., paraphyses non vidi. 



Ad i Dianthi versicoloris Fisch, folia arida in plantis 

 adhuc virentibus in campis pr. Patroschilowo. 



Physalospora disseminata Sacc. nov. spec. in Mi- 

 chelia II. p. 137 — Ph. peritheeiis hvpophyllis, dense et 

 late gregariis, initio velatis, lenticularis, ^o — x js Mill. 

 diametro, ostiolo impresso pertuso, contextu minute celluloso, 

 fusco; ascis clavatis, breve stipitatis, apice tunica integra 

 rotundatis, 50 {* long., 8 /u crass., paraphysibus filiformibus 

 obvallatis, octosporis; sporis rtistichis, oblongo-cylindraceis. 

 inaequilateralilms, 10 p long., 3 fi crass., hyalinis. 



