— 261 — 



Hab. Vulgata ad rimulas ramulorum emortuorum v. 

 subviveutiuiii Chiliotrichi amelloidis in Staten 

 islancl, Mart. 1882. 



326, Helotilm aktarcticum Speg. (n. sp.) 



Diag. Cupulae sparsae v. laxe gregariae, turbiiiato-caly- 

 ciformes (2-2,5'" diam.) íírmae tenacellae crassiuscu- 

 lae, extiis ex albo fulvescentes, intiis pallescentes, 

 margine acutae integerrimae glabrae, basi in pedicellis 

 breviusculis crassiusculisque cylindraceo-conoideis (1- 

 1,5'" loug. X 300-500 [j. crass. ) saepe basi connato- 

 confluentibus candidis productae ; asci cylindracei, 

 antice obtuse rotundati, postice attenuato-pedicellati 

 (180-200 X 8 \m), octospori, dense paraphysati ; iodi 

 ope nulla ; sporidia recte v. oblique monosticha, ellip- 

 tica V. subfusoidea, utrinque acutata (14-15 X 6 [x], non 

 V. biguttulata, hyalina, continua. 



Hab. Ad truncos decorticatos putrescentes Fagi betu- 

 loidis in sylvis in Staten islancl, Mart. 1882. 



Obs. Species firmula tenacella habitu fere Rutstroemiae 

 firmae (Pers.) Karst., a genere nonnihil desciscens. 



327. Helotilm buccunlla Speg. (n. sp.) 



Diag. Cupulae sparsae v. laxe gregariae epiphyllae ce- 

 raceae opaceae discoideae (500-800 [x diam,), superne 

 applanatae v. convexulae flavescentes, inferné appla- 

 nato-subturbinatae glabrae albae, obtuse crasseque 

 marginatae , pedicello longiusculo gracili (1-1,5'" 

 long, X 100-150 [j. crass.) concolore glabro non v. 

 YÍx striatulo suffultae ; asci clavulati, sursum breviter 

 cuneato-rotundati apiceque subtruncati late pervii, 

 deorsum in pedicello mediocri attenuati (90-100 X 

 8-12 \j.), paraphysibus paucis filiformibus obvallati, oc- 

 tospori; iodi ope nulla; sporidia oblique monosticha, 

 clavulata, sursum obtuse rotundata, postice attenuato- 



