dem pertusa, vix carbonacea. Subiculi hyphae subdi- 

 chotome ramosse, filiformes, fuliginere, continuae, ubi- 

 que spinulis apice acute 2-3-dentatis exasperatae. Asci 

 clavati, tenerrimi, longe stipitati, apice obtusi, octo- 

 spori, aparaphysati ; sporidia disticha ex oblongo bre- 

 ve fusoidea, utrinque acuta, hyalina. — Sollerlissimo 

 botanico italo Rev. Barth. Scortechini, Australiee et 

 Malesia^ exploratori dicatum genus. 



22. Scortichinia acantho$(roma (Mont.) Sacc.etBerl. Sphce- 



ria acanlhostroma (Mont.). Trichosphccria acanlho- 

 stroma (Mont.) Sacc, Syll. I, p. 454. — Ad cortices 

 arborum Burleigh Head (51). — Asci p.s. 35-40 » 9, 

 stipite 35-40 » 2,5; sporidia 10-11 m 3,5-4,5, bigut- 

 tala. Adsunt quoque conidia hyphis inspersa obovato- 

 oblonga, 12-13 * 5-G, binucleata, pallide lutescentia. 



Gibellia Sacc. nov. gen. - Stromata subcutaneo-erum- 

 pentia e basi definita depresso-pulvinata, atra, intus 

 pallidiora, superficie ostiolis vix prominulis punctulata. 

 Perithecia globulosa, monosticha. Asci tereti-fusoidei, 

 sessiles, spurie paraphysati, lumine apice bifoveolati, 

 octospori. Sporidia globoso-ellipsoidea, continua, hya- 

 lina. — Praeclaro botanico prof. Josepho Gibelli de 

 metagenesi pyrenomycetum deque pathologia myco- 

 gena oplime merito novum genus libenter dico. Do- 

 thideaceas, praesertim Mazzantiam fere imitatur, sed 

 perithecia vera adsunt. Inter Sphaeriaceas hyalospo- 

 ras inter Botrijosphceriam et Cryptosporellam locandum. 



23. Gibellia dothideoides Sacc. etBerl.- Stromatibus e basi 

 elliptlca depresso-pulvinatis, laxe gregariis, 2« t 1,5 

 mill., epidermide secedenle demum nudatis, atris, in- 

 tus pallidioribus, ostiolis leviter prominulis, remotiu- 

 sculis, punctiformibus ; peritheciis globulosis, mono- 

 stichis, '/*-% mill. d., in quoque stromate 6-t0; ascis 



