= 
i > 
61. Jahrgang. 
Ne 16. Regensburg, 1. Juni 1878. 
Inhalt. W. Nylander: Addenda nova ad Lichenographi:m europaeam. — 
Dr. Arthur Minks: Das Microgonidium. (Fortsetzung.) — J. B. Keller: 
Einiges über Rosen. — J. B. v. Keller: Herbarium rosarum: austriacarum. — 
Dr. G. Leimbach: Bitte. 
Addenda nova ad Lichenographiam europacam. 
Continuatio trieesima. — Exponit W. Nylander. 
1. Collemopsis coracodizu Nyl. 
Thallus fuligineus tenuis sublaevis, conferte :imosus; apo- 
thecia nigra lecanorea plana (latit. 0,2—0,4 millim.), margine 
thallino integro cincta; sporae Snae incolores subglobosae, 
longit. 0,010—14 millim., crassit. 0,009—0,011 millim., epithe- 
cium lutescens. Jodo gelatina hyınenialis dilute coerulescens, 
dein lutescens. 
Supra saxa granitica saepe inundata rivi la Vienne (E. Lamy). 
Species facile distineta. Apothecia prominula. Thallo con- 
tinuo mox differt a C. frustulosa Anzi Langob. no. 388. 
2. Pycnothelia apoda Nyl. 
Thallus albus vel albidus, tenuis, tenuiter granuloso-cru- 
staceus (passim parce podetia proferens abortiva parva erecta 
ellipsoideo-vesiculosa vel subgranuliformia); apothecia (omnino 
Sessilia in thallo) ferrugineo-rufa vel rufo-ochracea, opaca, plana, 
Flora 1878, 16 
u “ Far er. 9% 7 % 
Re gung mer. 
Ei 
