730 PyrenomyceteSB, Sphseriaceae. Phaeodidymae, Didymosphsepia 



Hah. in foliis vivis Passiflorae cujusdam in prov. S, Oatha- 

 rina Brasiliap (Ulb). 



7. Didymosphaeria Matthiolae (Fuck.) Berl. et Vogl. Add. vSyll. p. 114. 2984 

 Plcof^pora Fuck. in Reis. nach Nordpolarin. III, et Oud. Contr. 



Fl. Myc. Now. Seml. p. 152, t. II, fig. 7. — Peritheciis sparsis, 

 punctiformibus, epidermide tectis, atris; ostiolo conico, obtuso, pro- 

 minuio, atro ; ascis raaturis ovatis seu subglobosis, ,30-24, imma- 

 turis basi contractis, superiore parte ovato-ventricosis, 55 « 24, 

 octosporis; sporidiis stipatis, utrinque obtusis, antice parura obtu- 

 sioribus crassioribusque, rectis, uniseptatis, 20:^8. deraura pallide 

 fuscis. 



llab. in foliis MatthiolaB nudicaulis, Nowaja Seralja. 



8. Dlrlymosphaeria anomala (E. et E.) Sacc. Lepiosphceria E. et C. 2985 

 Journ. Myc. 1887 p. 117. — Peritheciis gregariis, merabrauaceis, 

 laxe parenchymaticis, '/j mra. diam., nigris, levibus, subspha^ricis, 

 demum supra subcollabentibus, initio epidermide tectis, dein erum- 

 pentibus; ascis oblongo-cylindraceis. circ, 100:^20, subsessilibus ; 

 paraphysibus filiformibus, evanescentibus : sporidiis distichis, latis, 

 oblongo-fusoideis, 1-septatis, inffiquilateris et subincurvis, pallide 

 stramineis, constrictis 30-35 =: 10-12, utrisque obtusis. 



Hab. in caulibus emortuis, sociS Cylindrocolla diffluenle in 

 Scofield, Utah Amer. bor. (S. J. Harkness). 



II. Arboricolae. 



9. DidymosphaBria populina Vuill. Maiad. Peupl. p. 3. — Peritheciis 2986 

 periderraio innatis, sphaericis, '/5 mra. d., membranaceis, apice per- 

 tusis non papillatis; ascis eJongatis, 85^:28, brevi pedicellatis ; pa- 

 raphysibus gracilibus ramosis; sporidiis intequaliter distichis, didy- 

 mis, profunde constrictis, 22:^14, pallide brunneis. loculo sup. 

 majore. 



Hab. ad ramulos Populi pyraraidalis, Lorraine. — Adsunt 

 perithecia pycnidica subepidermica [Phoma populina sp. nov.) spo- 

 rulis ellipsoideis, hyalinis 5-6 c; 2-2,5, 1-guttatis. 



10. Didymosphaeria nana Rost. Fungi Oroenl. p. 557. — Peritheciis ^gs? 

 gregariis, minutis; ascis cylindraceo-clavatis, 64 =; 12; sporidiis 

 distichis, oblongis, I-septatis, fuscis, 25^:7-8. 



fTah. in foliis siccis Betulae nanJB, Fiskefjord Groenlandiso. 



11. Didymosphaeria denudata l^^II. et Gall. Journ. Myc. 1890, p. 32. 2988 

 — Peritheciis sparsis, ovatis, suberumpentibus, minutis, y^ rara. 



d., vertice emergente ruguloso, nigro, papillato, contextu densiu- 



