FUNGI 25 



niveo-villosa. Pili rigiduli, cuspidati, 200-250 x 7-8 /./., continui. 

 Asci fusoidei, 40-50x5-5.5^ octospori. Paraphyses aciculares, 

 asco paullo longiores. Sporidia allantoidea, 5-6 x i .5-2 //, hyalina. 



Pirottaea yakutatiana Saccardo, sp. nov. (P!. n, fig. 4.) 



Ascomatibus gregariis, urceolatis, basi-contracta superficialibus, 

 majusculis, extus setulosis, siccis nigris, i mm. latis et altis, disco 

 (madore tantum conspicuo) concavo cinereo-caesio ; excipuli contextu 

 rigidulo, atro-fuligineo, ad marginem pallidiorem pilis filiformibus, 

 pallide fuligineis, septatis, 40-70 X 5 n, in fimbrias subtriangulares 

 laxe coalescentibus ; ascis tereti-fusoideis, utrinque obtusiusculis, 40- 

 45 X 5.5-6 AI, octosporis; paraphysibus lanceolatis, crassiusculis, ascos 

 superantibus ; sporidiis oblique monostichis, fusoideis, rectis, 9x2- 

 2.5 /./, hyalinis. 



Yakutat Bay (Trelease, 734, on dry decorticated fallen twigs). 

 A P. gallica mox recedit quia quadruple major, basi coarctata, 

 pilis marginalibus fimbriato-fasciculatis. 



Phialea carneala Saccardo, sp. nov. (pi. n, fig. 2.) 



Sparsa, minuta, ubique (in sicco) carnea, glabra ; cupula initio mi- 

 nuta, subglobosa, dein ampliata, subhemisphaerica v. obconica, .7-1 

 mm. diain., stipite cylindraceo subtili, 11.3 mm. longo, leniter longi- 

 trorsum striatulo basique vix incrassata asperulo ; disco concavo, levi, 

 roseo, margine extimo pallidiore ; ascis tereti-clavatis, deorsum ten- 

 uato-stipitatis, 8090 x 7 /*, octosporis ; paraphysibus filiformi-bacil- 

 laribus ; sporidiis distichis, tereti-oblongis, utrinque obtusulis, rectius- 

 culis, 11-14 * 3~3-5 *"> intus granulosis, hyalinis. 



Yakutat Bay (Trelease, 595, on decaying fallen leaves and stipules). 

 Affinis P. alb idee ^ cyatkoidece et broomci, sed vel colore v. propor- 

 tione partium satis diversa. 



Helotium alaskae Saccardo, sp. nov. (pi. n, fig. 3.) 



Gregarium, minutum, ubique (in sicco) croceo-aureum, glabrum ; 

 cupula initio punctiformi-pertusa dein ampliata plano-scutellata, brevi 

 marginata, vix i mm. lata ; stipite cylindraceo, crassiusculo, i mm. 

 alto, .3 mm. cr., levi, dilutius colorato ; ascis tereti-clavatis, apice 

 obtusis, deorsum tenuato-stipitatis, 60 X 5.5-6 /./., octosporis; para- 

 physibus copiosis, bacillaribus ; sporidiis cylindraceo-fusoideis, leniter 

 curvis, 8-1 1 x 2-2.7 1 J "> distichis, hyalinis. 



Yakutat Bay (Trelease, 597, on decaying decorticated wood). 

 Ab affinibus speciebus flavis lignicolis stipites sporidiorumque notis 

 satis diversum. 



