Dothideacese, Hyalodidymae, Plowrightia. 635 



— A Sph. rimosa differt stromatibas minoribus, fr>liicolis ; ascis 

 sporidiisque similibus. — Spermogonium : sperraatiis cylindraceis, 

 utrinque obtusis, 10 s 1,5. St. conidicus sistit Hadrofrichum si.ni- 

 le (Iladrotricho Phragmilis) sed omnibus partibus minus 



Hab. in foliis subvivis et (st. ascoph.) emortuis Phragmitis 

 communis in Gallia et Germania. 



3. Scirrhia striseformis Niessl in Thuem. Contr. myc. Lusit n. 517, r ,282 



— Stromate eiongato-lanceolato, atro vel atrato; loculis minutis. 

 di-tristichis; ascis clavatis in stipitera breveni attenuatis, octospo- 

 sporis, 80-90 s 17-24, hyalinis; sporidiis stipitatis. obiique ovatis 

 vel inferne attenuatis et raro curvatis, initio unicellularibus (;tn 

 demum bicellularibus?), subhyalinis, 18-22 s; 7-10. 



Hab. in culmis emortuis Donacis ar undi naceae, St. Beni> 

 pr. Coimbra (Moller). 



4. Scirrhia Castagnei (Mont.) Nits. in Fuck. Symb. myc. pag. 221 i 

 Dolhidea Casiagnei Mont. Syll. n. 779 et in Castagne, Suppl. C 

 tal. Pl. Mars., pag. 42. — Stromate iineari atro, cuticula tecto, 

 seriem locuiorura unicarn fovente, nucleis albis; ascis ohlonpis 

 v. clavatis erectis anaparaphysatis octosporis ; sporidiis ovoidfo- 

 oblongis v. subciavatis infra niedium I-septatis hyalinis. 



Hab. in caulihus emortuis Equiseti arvensis, Gallia meri- 

 dionali (Oastaonk) pr. Budenheim Gerinaniae (Fuckrl). — Species 

 valde memorabilis. 



5. Scirrhia C^iophyiii (B. et Rr.) Racc. Dothidea Calophi/lti, B. e< <-,•>-• 

 Br. F. of Ceyl. n. 117!. — Hy.steriiformis, emergens, nstiolis la- 

 titantibus; ascis clavatis ; paraphysibus linearibus, 85-88 s 12-11 

 sporidiis sigmoideis angustis uniseptatis 36-50s6 



Hab. iu foliis C al ophy lli Wal k e r i, Nuwara Eliya ad 2000 

 et ultr. metr. altit. Ceylon. 



PL0WRI6HTIA Sacc. (Etym. a C. B. Plowright. myc in pri- 



mis pyrenomycetologo eximio, <■ King' s Lynn Britanniae). Dothidea 

 Auct. p. p. — Stroma convexo-pulvinatum, subinde confluei 

 crassiusculum coriaceum nigricans. Asci elongati octos] u . Sp 

 dia ovoulea v. oblonga, 1-septala, lij d la v. t'\x chlorina, - Ge- 

 nus Dothidcce maxime affine, ad quam forte ; qu«p 



matura? explorentur, adducenda int. 



1. Plowrightia ribesia (Pers.) Sacc • ia Fr. Syst. myc. II, p. 

 550. — Stromate transversim erumpente, promim ubrotun- 



dato vel saepius ellipsoideo, pulvin tepe d( 



