170 Pyrenoraycetse, SphferiacefE, Didymoiphseria. 



90 {j.. diam., lenticularibus^ prominulis, nigris, calvis, ostiolo sub- 

 circulari, 12-14 a. diam. pertusis; contextu obsolete parenchyma- 

 tico, fuligineo; subiculo omnino nullo; ascis aparaphysatis, oblon- 

 go-fusoideis, utrinque obtusis, subsessilibus, 28-30 *5 8,5-10, octo- 

 sporis; sporidiis distichis, oblongis, utrinque prsBcipue apice obtu- 

 sulis, medio 1-septatis, non constrictis, 11-12 «^4-4,5, atro-olivaceis. 

 Hab. in foliis morientibus ProtesB abyssinicse, Addi Ne- 

 fas ErythrsesB (Legit Laur. Senni, dedit prof. J. H. Mattei). 



TICHOTHECIUM Flot. — Syll. IX p. 723, XIV p. 551, XVI p. 498, 

 XVII p. 676. 



1. Tlchothecium Latzelii Keissl., Oesterr. botan. Zeitschr. (1909) p. 277. 3i 

 — Peritheciis immersis, apice rotundato ostiolato prominulis, de- 

 presso-globosis, atris, parvis, c. 200-300 u.. diam.; ascis cylindrico- 

 clavatis. non stipitatis, 8-sporis, c. 45-55 * 12-15, paraphysibus 

 nullis; sporidiis fusiformibus rectis, uniseptatis, brunneolis, 2-4- 

 guttulatis, oblique 2-seriatis, c. 12-15 « 6. 



Hah. in thallo CoUematis pulposi prope Forte Lorenzo 

 ad E-agusam Dalmati;e (A. Latzel). — Hymenium jodi ope im- 

 mutatum. 



2. Tichothecium collemarium (Linds.) Zoj^f in Hedw. (1896) p. 324, 31 

 Microthelia collemaria Linds. Lichenicol. Micro-fungi, pag. 555, 



t. XXIV, f. 22. — Peritheciis minutis, nigris; ascis saccato-cla- 

 vatis, apice rotundatis basi breviter tenuatis, copiose filiformi-pa- 

 raphysatis, 90- 1 00 « 30-40, polysporis; sporidiis conglobato-poly- 

 stichis, oblongo-ellipsoideis 1-septatis, non constrictis, utrinque ro- 

 tundatis, loculis sequalibus, brunneis, 10-12 »5-5,5. 



//a&. in thallo Collematis muscicoli, Cleveland, Yorkshire 

 BritannisB (Mudd) etCollematis melaeni, Otago in Nova Ze- 

 landia (Ltndsavj. 



3. Tichothecium stigma Korb. — Syll. IX, p. 724 — Var. obtusi- ^ 

 sporum Bagl. et Carestia, in Atti Soc. crittog. ital.' II (1879) 

 p. 354, tab. 5, f. 80. — Ascis late clavatis, octosporis; sporidiis 

 minoribus, ellipsoideis, utrinquc sat obtusatis, bilocularibus, fusce- 

 scentibus, 12-13 «6. 



Hah. in thallo Opegraphai zonata' al *5'rtcco Riva Valsesia 

 Ital. bor. (Ab. Carestia). 



DIDYMOSPH/ERIA Fuck. — Syll. I p. 701, IX p. 728, XI p. 3 12, 

 XIV p. 551, XVI p. 498, XVII p. 676. 



