— 63 — 



(20-24 X 3,5-4,5 \i), utrinqueattenuato-acutissima, fuli- 



ginea, grosse I-guttulata, inferne caudula hyalina itrevi 



acuta aucta. 

 Hab. In foliis ac culmis emortuis RostliJiOviae grandi- 



florae prope Shammacus, FJeaglechannel, Maj. 1882. 

 Obs. Obturaculus ascorum iodi ope pallide coerulescit. 



176. AlNTHOSTOMA MICROSTROMA SpCg. (u. Sp.) 



Diag. Fuckelia; stromata elliptica, (2'" diam. X l'" lat.), 

 transversa, pulvinatula (0,5'" crass.), truncato-niargi- 

 nata, superne applanata, atra, glabra, peridermio tec- 

 ta, subadnata, non v. vix erumpentia ; perithecia glo- 

 bulosa (350-400 ;j.) atra glabrabina v. terna in quoque 

 stromate, non v. vix ostiolato-papillulata ; asci dif- 

 fluentes, octospori, paraphysati ; sporidia elliptica v. 

 ovoidea, utrinque obtusa (18-22 X 10-V2\x\ monosti- 

 cha, grosse 1-guttuIata (an areolata?), opace fuligi- 

 nea, in senectute longitudinaliter lissa. 



Ilab. Vulgatissimum (sed semper substerile) ad ramos 

 dejectos Fagfi betuloides inStaten islandjMart. 1882, 



177. AWTHOSTOMA ANTARCTICLM Speg. (u. Sp.) 



Diag. Acervulidifformes, pulvinatuli (3-7'" diam.), sparsi 

 V. gregarii, saepG confluentes, cortice immersi, stro- 

 mate e substantia corticali parum mutata infuscata 

 efformato, epidermide sublevata tecti v. denudati; peri- 

 thecia majuscula, globulosa (400-500 [;,) stromate im- 

 mersa, 3-7-aggregata atra coriacea, ostioiis papillatis 

 subconniventibus parum exertis carbonaceis crassiu- 

 scuiis coronata ; asci cylindraceo-clavati, sursum atte- 

 nuati, apice truncato-rotundati, 1-foveoIati (par sp. 45- 

 50 X 6-6,5 [;,), deorsum in pedicello parte sporifera 

 subaequilongo producti aparaphysati octospori, iodi 

 ope nuUa; sporidia obliqne monosticha v. alternato- 



