— 129 — 



Hab. Vulyata acl rimulas ramulorum emortuorum v. 

 subviventium Chiiiotrichi ameUoidis in Staten 

 island, Mart. 1882. 



326. Helotium aintarcticum Speg. (n. Sj3.) 



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

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

 lae, extus ex albo fulvescentes, intus pallescentes, 

 margine acutae integerrimae glabrae, basi in pedicellis 

 breviusculis crassiusculisque cylindraceo-conoideis (1- 

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

 confluentibus candidis productae ; asci cylindracei, 

 antice obtuse rotundati, postice attenuato-pedicellati 

 (180-200 X 8 [x), octospori, dense paraphysati; iodi 

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

 tica v. subfusoidea, utrinque acutata (14-15 X 6 [j.], non 

 V. biguttulata, hyalina, continua, 



Hah. Ad truncos decorticatos putrescentes Fagi betu- 

 loidis in sylvis in Staten island, Mart. 1882, 



Obs. Species firmnla tenacella habitu fere Rutstroemiae 

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



327, Helotilm buccijnula Speg. (n. sp.) 



Diag. Cupulae sparsae v. laxe gregariae epiphyilae ce- 

 raceae opaceae discoideae (500-800 [j. diam.), supcrne 

 applanatae v. convexulae llavescentes, inferne appla- 

 nato-subturbinatae glabrae albae, obtuse crasseque 

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

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

 vix stiiatulo suffultae; asci clavulati, sursum breviter 

 cuneato-rotundati apiceque subtruncati late pervii, 

 deorsum in pedicello mediocri attenuati (90-100 X 

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

 tospori; iodi ope nulla; sporidia obliquc monosticha, 

 clavulata, sursum obtuse rotundata, postice attenuato- 



