436 Pyrenomycetse, Cothideacece, Discodotliis. 



aggregatis confluentibusque, rugulosis, atris, ^pacis; peritheciis nu- 

 merosis; ascis clavatis, apice rotundatis, breviter pedicellatis, 50- 

 75 ^ 9-lB, octosporis; sporidiis distichis, oblongis, medio 1-septatis, 

 primo hyalinis, dein olivaceis vel dilute brunneis, 20-28 « 3 '/,,-5. 

 Hdb. in ramis Serjani.e spec. Campinas, Prov. Sao Paulo, 

 Brasilia. — A Dothidella Serjanice pluribus notis distincta. 



ROUSSOELLA Sacc. — Syll. IX p. 1044 



1. Roussoelia amphigena Rick, Broteria V (1906) p. 44. — Stromate 4315 

 dothideaceo, erumpente, pulvinato, rugoso, aliquoties rhytismoideo 

 et tunc loculis paucis, atro, orbiculari, amphigeno, gyroso, ostiolis 

 consperso ; ascis ventricosis 60-70 « 20-25, versus apicem angusta- 

 tis, vix pedicellatis; sporidiis cylindraceis aut rectangularibus, 25 « 

 10, pluriserialibus, bicellularibus, loculo inferiore vix breviore fla- 

 vidulis, in septa constrictis; paraphysibus conglutinatis. 



Hdb. in foliis vivis Lauraceoe cujusdam, Rio Grrande do Sul 

 BrasilisB, — Videtur potius Russoella nec Dothidea ob cellulas spo- 

 ridiorum fere sequales. 



PH/EODOTHIS Syd. ~ Syll. XVII p. 854. 



1. Phaeodothis congoensis Sacc, Myc. cong. novi, Ann. Myc. v. IV 481C 

 (1906) p. 77. — Stromatibus amphigenis, gregariis sed vix soria- 

 tis neque confluentibus, immersis, applanatis, ambitu irregulariter 

 orbiculari-oblongis, 1 mm. longis, 0,5 mm. lat. v. minoribus, te- 

 nui-carbonaceis, opace nigris, intus pauUo dilutioribus, 3-5-locel- 

 latis, loculis globosis 130-140 ;j.. diam., ostiolis punctiformibus vix 

 manifestis; ascis tereti-clavulatis, apice rotundatis, deorsum leviter 

 tenuatis, 50-60 « 6,5-7,5 parce filiformi-paraphysatis, octosporis ; 

 sporidiis distichis, oblongls, utrinque, preecipue apice, obtuse ro- 

 tundatis, rectis, medio 1-septatis, levissime constrictis, 14-15 ^ 5-5,2, 

 rectis, olivaceo-fuscis. 



Hah. in foliis nondum putridis graminis cujusdam elatioris (ha- 

 bitu Sacchari stricti), Kisantu Congo Africa^. trop. (J. Gil- 

 let). — Certe affinis Phceodofhidi Tricuspidis, sed satis differt 

 stromatibus non confluentibus nec seriatis, ascis angustioribus etc. 



DISCODOTHIS V. Hohn. Fragm. Mykol. VII (1909) in Stzb. k. Ak. 

 d. Wiss. Wien CXVIII, Abt. I, p. 853 (Etym. discos et Dothis pro 

 Dothidea). — Stromata primum strato conidico cladosporioideo 

 omnino tecta, superficialia, omnino immersa, non secedentia: ostio- 



