Sphieriaceae, Phscodiclyma), Tichotheciura. 119 



Ilab. iii tliallo Rhizocarpi geograpiiici ot Psorrc lain- 

 prophor<'\3 in Gemnania. 

 5. Tichothecium macrosporum Hepp. in litt. sec. Arnold Lichenol. 0505 

 Ausfl. 111, p. 9G0, et Wint. in Hedw. 188G, p. 17. — Peritheciis 

 initio omnino imniersis, demum vertice prominulis, globosis, atris, 

 poro distincto pertusis, circ. '/10 "^'^i- dian)., plerumque gregariis; 

 ascis oblongo-clavatis, deorsum longe attenuatis, 8-sporis, GO-65 ^ 

 17-21; sporidiis subdistichis, elliptico-oblongis, utrinque attenuato- 

 rotundatis, uniseptatis, haud vel vix constrictis, fuscis, lG-24c;G-8. 

 Ilab. in thallo Rhizocarpi geographici et \i. alpicoli 

 in Germania. 

 G. Tlchothecium Arnoldi (Hepp.) K()rber Parerga Lichenol. p. 4G0 et ^506 

 in Hedw. 188G, p. IG. — Peritheciis miuutissimis, punctiformibus, 

 confertissime stipatis, immersis, globosis, ostiolo indistincto, atris, 

 substantia molliuscula, viridi-brunnea farctis; ascis breviter clava- 

 tis; sporidiis 6-3, solea^formibus, bicellularibus, cellula superiore 

 majore, vii-idi-fuscis, 8-11:=; 3-4. 



IlaJ). \{\ thallo Urceolari^e scruposfe in Germania. 



7. Tlchothecium calcaricolum (Mudd.) Arnold Lichenolog. Austl. XI, ^^^'^'^ 

 p. 521 et Wint. in Hedw. 1886, p. 16, Microihelia calcaricola 

 Mudd. Manual p. 306. — Peritheciis media rnagnitudine, irregu- 

 lariter sparsis, sessilibus vel basi immersis, globosis, poro subma- 

 gno pertusis, atris; ascis clavato-subventricosis, 8-sporis; spori- 

 diis elliptico-oblongis, bicellularibus, fuscis, 19-20 =;G; paraphysi- 

 bus gelatinosis. 



llab. i n thallo A s p i c i 1 i a3 c a I c a r e a\ A . c i n e r e a} et A. 

 gibbosa3 in Germania et Britannia — Sec. .Vrnold sporidia 15- 

 18 y.. tantum longa sunt. — var. Sendtneri Arnold Lichenol. Ausfl. 

 XI, p. 37: peritheciis hemispha^ricis, prominulis, atris; sporidiis 

 utrinque obtusis, fuscis, bicellularibus, 15-18 s 6-8, octonis. In thallo 

 Polyblastia) Sendtneri in Germania. 



8. Tichotheclum gemmiferum (Tayl.) Korb. Parerga Lichen. p. 468, 65ps 

 ot Wint. in Iledw. 1886, pag. 16, Verrucaria gemraifcra Taylor 



in Mackay, Flora hibern. II, p. 95, Microlhelia propinqua Korb. 

 System. p. 374. — Peritheciis sparsis, immersis, minutissimis, glo- 

 bosis, vertice umbilicato, demum collapso, poro simplici pertusis, 

 opace atris, 0,1 nim. diam. ; ascis clavatis, crasse tunicatis, 8-spo- 

 ris, 30-36 i; 10-12; sporidiis ellipticis vel elliptico-oblongis, obtusis, 

 bicellularibus, plerumque haud vel porparum constrictis, fuscis, 8- 

 12::; 3-4; paraphysibus coalitis. 



