FUNGI 23 



Eximia species, ob paraphyses conidia magna atra gerentes pra> 

 distincta. Excipuli margo cellulis tereti-clavatis, 20-25 X 7 /* brun- 

 neis, liberis praeditus est. 



Family PHACIDIACEJE. 

 Rhytisma? rhododendri Fries. 



Unalaska (Macoun, on leaves of Rhododendron kamtschaticuni) . 



Forte hue pertinat forma haec spermogonica : stromatibus amphi- 

 genis maculiformibus atris insidis, intus pallidioribus ; sporulis ellip- 

 soideis minutis, 2.5-3 x -5 ^> hyalinis, basidiis filiformibus usque 26 

 X .5 AI fasciculatis suffultis. 



Rhytisma salicinum (Persoon) Fries. 



Kadiak (Trelease, 698, on leaves of Salix). 



Fabraea cincta Saccardo & Scalia, sp. nov. (pi. v, fig. 16.) 



Maculis suborbicularibus v. irregularibus, 1-2 mm. lat., raro latiori- 

 bus, in hypophyllo subumbrinis, in epiphyllo expallentibus annuloque 

 atro-purpureo cinctis ; ascomatibus epiphyllis, innato-erumpentibus, 

 depressis, 300-400 fj. diam., sparsis v. confluentibus, fuscis, disco 

 madore aperto, vix pallidiore; ascis tereti-clavatis, apice rotundatis, 

 jodo caerulescentibus, breve stipitatis, 7~9 X 18-20 /x, octosporis, 

 paraphysibus simplicibus v. parce ramosis, filiformibus apice capitu- 

 latis ; sporidiis ovato-oblongis, utrinque obtusulis, distichis v. oblique 

 monostichis, 15-20 X 56.5 A*, primo continuis, dein ut plurimum i- 

 septatis, non constrictis, loculo supero quam infero fere duplo majore, 

 hyalinis, guttulato-farctis. 



Yakutat Bay (Trelease, 750); Orca (Trelease, 747). On fading 

 leaves of Rubus. 



Pseudopeziza (Pseudorhytisma) bistortae (Libert) Fuckel. 



Unalaska (Coville & Kearney, 1752 ; Trelease, 765). On leaves of 

 Polygonum viviparum. 



Pseudopeziza cerastiorum arenariae Saccardo, var. nov. 



Yakutat Bay (Funston, on dead leaves of Arenaria lateriflora, 18, 

 19). 



A typo differt sporidiis paullo majoribus, nempe 14-16 X 4-4.5 A*. 



Phacidium diminuens Karsten. 



Yes Bay (Howell, in fading or dead leaves of Carex canescensj 

 1709). 



