— 98 — 



In Chenopodii speciei indeterminatae foliis vivis 

 in ruderatis pr. Minussinsk.' — (no. 903.) 



616. Ascochyta Martianoffiana Thtim. nov. spec. — A. pe- 

 ritheciis magnis, subsolitariis, emersis, conoideis, aterrimis, 

 epiphyllis in macula plus minusve orbicularia, ochro-gri- 

 sea, late fusco marginata, subtus fusco-grisea; sporis bi- 

 cellularibus, inaequali-ovoideis vel fere subreniformibus, 

 cellula una semper major quam altera, utrinque subacuta- 

 tis, pallidissime fuligineo-cinereis, 10 mm. long., 4 mm. 

 crass. 



In Salicis ijyrolaefoliae Ledeb. foliis vivis in syl- 

 vis pr. Samodourowka. — (no. 810.) 



617. Ascochyta Polygon! Rabh. in Klotzsch, Herb, mycol. 

 I. no. 990. 



Ad Polygoni alpini All. folia viva in sylvis sub- 

 alpinis pr. fluvium Baraksan. — (no. 809.) 



618. Ascochyta Trollil Thiim. nov. spec— A. peritheciis 

 epiphyllis, sparsis, minutissimis, semiimmersis, punctiformi- 

 conicis, nigris in macula irregularia, arescendo-albican- 

 tia, amphigena, fusco-nigro marginata; sporis ellipsoideis^ 

 utrinque obtusiusculis, uniseptalis, 16 mm. long., 7 mm. 

 crass., hyalinis, episporio subcrasso. 



In TroIIii asiatici Lin. foliis vivis in subalpinis 

 pr. fluvium Baraksan.— (no. 330, 847.) 



619. Ascochyta clematidina Thiim. nov. spec. — A. peri- 

 theciis epiphyllis, submagnis, emersis, dense gregariis, he- 

 misphaericis, basi epidermide late cinctis, nigris in ma- 

 cula nulla vel obsoleta, ochracea, irregularia, subzonata, 

 vix arescentia; sporis late fusoideis vel subellipsoideis, 

 utrinque obtusatis, medio septatis, dilute fuligineo-griseis, 

 16 — 18 mm. long., 6 — 7 mm. crass. 



