388 Pyrenomycetse, ValsaceiE, Pseudodiapftthe. 



simo cylindraceo recto peridermium perforantibus et usque ad 0,5 

 mm. prominentibus ; ascis ellipticis, 35-45 « 9-10, octosporis; spo- 

 ridiis oblongis, obtusis, rectis, bicellularibus, medio constrictis, utra- 

 que cellula guttis 2 magnis oleosis repleta, demum 3-aeptatis, hya- 

 linis, 7-10*2,5-3 disticliis; paraphysibus nullis. 



Hdb. ad caules siccos Polygoni avicularis, Licliterfelde 

 pr. Berolinum Germanise (Sydow). 



39. Diaporthe immaculata Eehm, in Jaap, Abh. bot. Yer. Prov. Bran 465] 

 denb. LII (1910; p. 148. — Nomen nudum. 



Hah. in caulibus vetustis Rumicis crispi prope Triglitz, 

 Germania. 



40. Diaporthe prenanthicola Atkins. in Eehm, Ann. Myc. VII (1909) 465i 

 p. 531. — Nomen nudum. 



Hdb. in ramis emortuis Prenanthidis, Altissima Cascatilla 

 Ithaca Amer. bor. (G. F. Atkinson). 



PSEUDODIAPORTHE Spegazz., An. Mus. Nac. Buenos Aires t. XIX 

 (1909) p. 358 (Etym. pseudes falsus et Diaporthe). — Perithecia ma- 

 trice immersa, stromate genuino destituta. Asci pedicellati non de- 

 cidui, paraphysati; sporidia didyma hyalina. — Genus ascis strato 

 proligero adnatis et paraphysatis a Diaporthe optime distinctum. 



1. Pseudodiaporthe CoffeaB Speg., 1. c. p. 358 cum icon. — Perithe 466i 

 ciis corticolis v. lignicolis, globulosis, 200-300 a diam., rostellato- 

 ostiolatis, laxissime pauci-gregariis ; ascis e fusoideo clavulatis bre- 

 viter pedicellatis, 110-160 '»« 18-20, paraphysibus filiformibus lon- 

 gioribus densiusculis obvallatis; sporidiis biconoideis di- v. tristi- 

 chis, medio 1-septatis, leniter constrictis, locuHs lequalibus grosse 

 biguttulatis. 



Hdb. ad ramos emortuos Coffens arabica' in hortis Oran, 

 Jujuy Eep. Argentina, Amer. austr. 



2. Pseudodiaporthe major Speg., An. Mus. Nac. Buenos Aires t, XIX 465 

 (1909) p. 359. — Peritheciis 500-800 ;j.. diam.; ascis e cylindra- 

 ceo-subclavulatis, s;epius torulosis, 120-140*20-24; sporidiis elli- 

 psoideo-didymis, 30-34 « 12-14. 



Hdb. ad ramulos emortuos C o f f e re I i b e r i c ae in hortis Oran, 

 Jujuy, Eep. Argentina Amer. austr. — Species a precedente notis 

 nonnullis vix recedens et facile ejusdem varietatem majorem sistens 

 sed forniu3 intermediae adhuc nou inveiitai. 



