Pyrenomycetce, Valsaccae, Thyridium. 401 



physatis octosporis ; sporidiis conglobatis v. subtristichis olongato- 

 obovatis, clidymo-6-septatis, ad septum medium valide constrictis, 

 20 ^ 10. 



Ilah. ad ramos omortuos Coffeie arabica? prope Oran, Ju- 

 juy Argentina Amer. austr. 



PLEOMELOGRAMMA Speg., An. Mus. Nac. Buenos Aires t. XIX (1909) 

 p. 389 (Etym. pleon plus et Melogramma h. e. Melogramma dictyo- 

 sporuni). — Stromata superficialia; pcrithecia minuta deuse con- 

 stipata tecta; asci octospori; sporidia muraha hyalina. 



1. Pleomeiogramma argentinense Speg., 1. c. pag. 389, cum icon. — 4691 

 Stromatibus parvis intus albis lenticulari-tuberculiformibus, 2-6 

 mm. diam. et 1-2 mm. cr. ; peritheciis globosis, coriaceis, atris, 

 90-120 [X. diam. ; ascis ssepius obclavatis, brevissime stipitatis 60- 

 55 >■- 10-16, aparaphysatis, octosporis; sporidiis distichis elhpsoideo- 

 fusoideis, transverse 5-septatis, longitudinaliter interrupte 1-2-se- 

 ptatis, 15-20 » 6-7, ad medium praecipue constrictulis, hyalinis. 



Ilab. ad truncos ramosque cariosos decorticatos Eriobotryjf 

 japonicB, Santa CataHna prope Buenos Aires Rep. Argentina 

 Amer. austr. 



Secf. 9. PlitTotlictvfe. 



THYRIDIUIVI Sacc. - Syll. II p. 323, IX p. 920, XI p. 348, XIV 

 p. 609, XVI p. 553, XVII p. 767. 



1. Thyridium Yerbae Speg., Ann. Mus. Nac. Buenos Aires t. XVII 4692 

 (1908) p. 127. — Peritheciis globosis 250-500 [i. diam., ligno de- 

 nudato cinerescente omnino immersis ; ascis cylihdraceis brevissime 

 pedicellatis, apice rotundatis crasseque tunicatis, 150 =^ 10-12, octo- 

 sporis, dense paraphysatis; sporidiis ellipsoideis oblique monosti- 

 chis, triseptatis, ad septa, prajcipue medium constrictulis, loculis 

 longitudinaliter divisis, 16-18 « 8-9, fuligiueis. 



Hdb. ad truncos ramosque emortuos decorticatosque Ilicis 

 paraguariensis in silva circa S. Pedro Argentina Amer. austr. 



2. Thyridium Sambuci Earle, Biill. of the Nevv York Bot. Gard. 4693 

 (1904) p. 294. — Peritheciis areas latas tegentibus, 6-8 in greges di- 

 spositis v. sparsis, infossis nigris, carbonaceis, noii coUabescentibus, 

 300-400 ;j.. diam., ostiolo erumpenti, minute papillato, liberis (non 

 valsiformibus); ascis cylindraccis, stipitatis, 150-200 > 17-20; para- 



St/ll. /ung. XXII {IX-1912) 20 



