‘7 
eeum, absque lichenina, Ihalamium farinbso-gelatiriosum,servans, 
primum clausum dcin vix apice pertusum , tandem nucleo e- 
rumpente subdepressum, fatiscentem. Asci clavati 8-spori, muci- 
lago liymenea vel paraphysibus rnucilaginosis vix conspicuis ob- 
soletisve, consiti. Sporidia costanter diaphana, ovoideo-elliptica 
v. elliptico-clavaeformia , medio constricto-didyma, inaequaliter 
divisa, 2-6-10-locularia , raro diplopyrenia. 
Thallus uniformis effusus plerumque bypophlaeodes. 
Obu Huc referendae omnes Arlhopyrtniat Massal. Ricerch. excepit, n. 308— 3io. 
XVII. ACROCORDIA NOV. GEN 
Apothecium semiimmersum v. innatum, conicum v. hemisphae- 
ricum, excipulo simplici corneo-carbonaceo subtus deficiente, prae- 
ditum, thalamiumque gelatinosum, absque lichenina, servante. 
cylindraceo-oblongi creberrimi 8-spori, paraphysibus distinctis 
capillaribus, obvallati; sporidia uniseriata ovoidea, oleoso-viridula, 
medio leniter constricta subdidvma, constanter bilocularia, ae- 
qualiter divisa, semper diaphana. 
Thallus tartareo farinosus vel stuppeus aracnoideusque uni- 
formis, effusus. 
24) Acrocordia gemmata. 
Syn. Arthopyrenia Massal. Ricerch. n. 508 pag. 166. 
a 5 ) Acrocordia Garovagli. 
Syn. Arthopyrenia epipolaea Massal. Ricerch. loc. cit. n. 
510 escl. syn. (si n. 99 Hepp. Flech. Europ. sit genuina 
species. )- Yerrucaria epipolaea et conoidea Garov! nec Ach. 
nec Frie«. 
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