FUNGI 29 



Pleospora herbarum (Persoon) Rabenhorst. 



Point Barrow (Murdoch, 15682, on decaying leaves of Ranuncu- 

 lus nivalis) ; Nagai (Harrington in 1871-2, on decayed leaves of 

 Oxytropis uralensis arctica). 



Prima est forma macrospora (sp. 44-54 X 20-23/1), postrema est 

 microspora (sp. 32-36 x 15-16/1). 

 Metasphaeria empetri (Fries) Saccardo. 



Port Clarence (Trelease, 700, on leaves of Empetrum nigrum, the 

 specimen not entirely mature). 

 Massarina dryadis Rostrup. 



Point Barrow (Murdoch in 1883, on leaves of Dryas octopetala 

 integrifolia, the specimen not entirely mature) . 

 Pseudovalsa ribesia Saccardo & Scalia, sp. nov. (pi. v, fig. 14.) 



Stromatibus corticolis tectis, dein erumpentibus, nigris, e peritheciis 

 4-6 connatis compositis, vix i mm. diam., ostiolis obtusulis breviter 

 emergentibus ; ascis crasse cylindraceis, brevissime abrupte stipitatis, 

 apice late rotundatis, 1 10-130 X 24-26 /*, filiformi-paraphysatis, octo- 

 sporis ; sporidiis distichis, oblongo-fusoideis, primo hyalinis, didymis, 

 strato mucoso hyalino obductis, dein 3-septatis, medio parum con- 

 strictis, 3841 X 16-20 /, fuscidulis. 



Sitka (Trelease, 7090, on dead corticated branches of Ribes laxi- 

 florum, associated with Rhynchophoma, Godronia, Diaporthe, etc.). 

 Sporormia ambigua Niessl. 



Kadiak (Trelease, 707, on dung of ptarmigan?). 

 Leptosphaeria ophiopogonis graminum Saccardo. 



Yes Bay (Howell, on dead leaves of Festuca rubra, 1722). 

 Leptosphaeria leersiana Saccardo. 



Yes Bay (Howell, on leaves of Agrostis, 1711, associated with 

 Sphcerella californica}. 



Leptosphaeria doliolum (Persoon) De Notaris. 



Kadiak (Trelease, 7370, on dead stems of Heracleum, associated 

 with Spharographium abdituiri}. 



Leptosphaeria foeniculacea lupina Saccardo & Scalia, subsp. nov. 



(pi. v, fig. 12.) 



Peritheciis globoso-depressis, diu tectis, dein nudatis, sparsis v. sub- 

 gregariis, minutissime papillatis, 350-420 /* diam., glabris, nigris; 

 contextu parenchymatico, fuligineo; ascis longe clavatis, stipitatis, 

 100-120 x I3-5-I5-5 fJ-t octosporis, paraphysibus filiformibus septu- 



