( 156 ) 



Perithecia atra, carbonacea, 70 — 100 /u. Asci pauci (vulgo 7) 

 in eodem perithecio, clavati, 105 x 23 ^, 8-spori. Para- 

 pliyses non observavi. Sporidia disticha, obovato-oblonga, 

 saturate fusca, fere opaca, 7-septata, murali-divisa, medio 

 parum constricta, parte dimidia antica paulum latiore. 



Silene acaulis L. 



7. Lept osphaeria Silenes acaulis de Notaris (in 

 Saccardo Syll. II, 47) (Tab. I, f. 6). — Sparsa, superficia- 

 lis, epiphylla. Perithecia exigua, atra, rotundata, vertice at- 

 tenuato-maminosa, e cellulis rotundatis molliusculis contexta, 

 papulosa, ostiolo minnto hiantia. Asci crassiuscule clavati, 

 8-spori, 58 — 75 X 16 — 18 fn (in exemplis nostris 58 x 16 /u), 

 paraphysibus coalescentibus. Sporidia fusoidea, utrimque ob- 

 tusiuscula, levissime curvula, 32 — 40 X 6 /u (in nostris 

 exemplis 28 X 6 ^), 3-septata, dilute luteolo-fuscescentia. 



RENONCULACÉES. 



Ranunculus nivalis L. var. sulphureus Wahlenberg 

 Flora Lapponica, 157. 



8. Leptosphaeria Web er i n. sp. *) (Tab. I, f. 7). — 

 Perithecia hypophylla, minuta (100 — 150 //), primitus infra 

 epidermidem abscondita, postremo papilla obtuse-conica pro- 

 minentia, sparsa, nigra. Asci maturi cylindraceo-clavati, bre- 

 vissime stipitati, parum curvati, paraphysati, 60 — 70 x 

 14- 16 u. Sporidia, ut videtur, tristicha, fusoidea, stricta 

 vel pi. m. falcata, utrimque obtusiuseula vel subacuta, tri- 

 septata, 25 — 37 x 5 — 7 /u, juniora dilutius, seniora satura- 

 tius olivacea, loculo secundo in multis ampliore. 



9. Sphaerella nivalis n. sp. (Tab. I, f. 8). — Pe- 

 rithecia minuta, primitus infra epidermidem abscondita, postre- 

 mo vertice prominula, poro pertnsa, quoad structuram te- 

 nerrima. Asci cylindracei, brevissime pedicellati, 90 x 9 //, 



*) Dixi in honorem Collegae aestumatissimi Max Weber, Zoologiae 

 et Auat. comp. professoris in Universitate Amstelaedaniensi. 



