DiscomycetPR, Patellariacefe, PhragrnosporPR, Lecanidion. 183 



matibus planis, marginatulis; ascis octosporis, paraphysibus cras- 

 siusculis s;i3pe articulatis obvalliitis; sporidiis oblongis, 3-septatis, 

 fusco-nigricantibus, 15-23 v 6-7. 



Hab. m thallo LecanornR subfusca3 var. parisiensis in 

 Gallia occidentali. — var. Triplicantis Wainio Adjum. II, p. 119. 

 In thallo LecidesB triplicantis iu Karolia. 



MYCOBACIDIA Rehm — Syll. X p. 66. 



1, Mycobacidia arenicola (Nyl.) Sacc et D. Sacc, Lecidea arenicola 3803 

 Nyl. ap. Leight. Fiichenfl. p. 386. — Ascomatibus minutis, nigris, 

 sessilibus, solitariis, concavis v. planis, margine crassiusculo, ob- 

 tuso, leviter inflexo, levi; hypothecio atro-brunneo ; asois 4-spo- 

 ris; sporidiis elongato-acicnlaribus, hyalinis, multiseptatis et mul- 

 tiguttulatis, 15 ^ 4. 



Hab. in thallo Sphyridii byssoidis et Bivomycetis 

 rosei in Gallia et Britannia. 



DURELLA Tul. — Syll. VIII p. 790, X p. 59, XIV p. 822, XVI 



p. 795. 

 1. Durella (Leptopeziza) pyrina P. Henn. in Hedw. 1902, pag. 304. — :i804 

 Ascomatibus sparsis, orbiculari-discoideis, tenue coriaceis, sessili- 

 bus, atris, disco plano, breviter marginato, levi, 0,6-1 mm. ; ascis 

 clavatis, apice obtusis, 4-8-sporis, 100-130^12-25; paraphysibus 

 copiosis, ramosis, fiiiformibus, hyahnis ca. 2 [).. crassis; epithecio 

 olivaceo; sporidiis fusoideis vel clavatis, obtusis vel acutiusculis, 

 mouostichis, olivaceo-fuscidulis vel viridulis, primo 6-9-grosse 

 guttulatis, dein 3-7-septatis, 25-50 « 8-12. 



Hah. in ramis Piri communis, S. Paulo BrasiIi;Te. 



LECANIDION Rabenh. — Syll. VIII p. 795, X p. 60, XIV p. 821, 

 XVI p. 796. 



1. Lecanidion atratulum (Karst.) Sacc Syll. VIII, pag. 796 — ''sar- 3305 

 doum Sacc. et Trav. in Annal. Mycol. 1903. — A typo differt 

 margine ascomatis non levi sed minute ruguloso; sporidiis disti- 

 chis, clavulatis; ascis paullo longioribus, matrice oranino diversa 

 (nec Jigno pineo). 



Hab. in caulibus Asphodeli macrocarpi pr. Sassari Sar- 

 dinia^ (Berlese) — Ascomata 300-500 ij.. diam. ; asci 80-90 v 11- 

 13; sporidia 28-36^5-6, 5-7-septata. 



2. Lecanidion neo-guineense P. Henn. in Hedw. 1902, p. (65). — Asco- 3806 

 matibus siugulariter vel c\3spitose erumpentibus, superficialibus, 



