132 MESSRS. J. A. WHELDON AND W. 6. TRAVIS ON 
VERRUCARIA MURALIS, Ach. On the mortar of walls and bridges. Probably 
more frequent than our records would indicate. 
Chatburn, 1907 ; in several places near Maghull, May 1910; Brins- 
call, June 1910, G. H. Hopley  W. ©. T. ; on cement at the landmark, 
Freshfield, 1918; on mortar of a wall by Horrocksford Bridge, 
Clitheroe, 1913. 
VERRUCARIA RUPESTRIS, Schrad. 
On bare limestone rocks and the mortar of walls. Worsaw Hill, 
Chatburn, May 1910 ; on limestone and calcite erystals, Bold Venture 
Quarries, Chatburn, March 1913. 
Var. SUBALBICANS, Mudd. On the mortar of a wall, Little Crosby, 
June 1910; Horrocksford Bridge, near Clitheroe, March 1913. 
VERRUCARIA INTEGRA, Carroll. 
Occurred, along with Biatorina lenticularis, Koerb., on mortar in a 
limestone wall near Hacking Boat on the R. Ribble, March 1913, 
C. D. Travis $ W. G. T. 
VERRUCARIA CALCISEDA, DC. 
On bare, exposed limestone rocks at the top of Worsaw Hill, Chatburn, 
May 1910. 
THELIDIUM MESOTROPUM, А. L. Sm. 
On half-buried stones (limestone) in banks of glacial drift by the 
R. Ribble at Chatburn, March 1913. 
THELIDIUM MICROCARPUM, А. L. Sm. 
On pieces of mortar on a broken-down wall, Sandy Lane, Fazackerley, 
Dec. 1911 and April 1912 ; also in a similar habitat at Ford, April 
1912. 
THELIDIUM INCAVATUM, Mudd. 
On the mortar of a wall, Chatburn, March 1913. 
MICROGLÆNA NUDA nobis, spec. nov. 
Thallus obsoletus vel ad granulas paucas cinereas ad apotheciorum 
bases sitas redactus. Perithecia minuta, nigra, superficiaria, dimidiata, 
ostiolo poro distincto potius depresso. ^ Paraphyses subpersistentes, 
visibiles quoad spori omnino evoluti sunt, ramosi, tenues. Asci sub- 
eylindrici, Sport 8, irregulariter in ascis distributi, 2-3-septati, tardis- 
sime parce longitudinaliter septati, incolores vel pallide virides, oblongo- 
ellipsoidei, utrinque obtusi, cellulis magnitudine et forma irregularibus, 
16-20 x 6-7°5 д. 
