BRITISH LICHENS

viridescens Hook. (Lecidea), 155
viridescens Schrad. (Lichen), 30
v1Tidescens Sm. (Lichen), 155
viridiatra Schaer. (Lecidea) 60
viridiatra Stenh. (Biatora), 60
viridiatra Floerko (Lecidea), 209
viridialra Leight. (Leculea var.), 209
viridiatrum Koerb. (Rhizocarpon), 209
viridis A. L. Sm. (Gongylia), 337
viridis Pers. (Opegrapha), 268
viridis Ny!. (Normandina), 287
viridis Deakin (Verrucaria), 325
viridula A. L. Sm. (Arthopyrenia), 359
viridula Ach. (Verrucaria), 309
viridula Fr. (Sayedia), 309
viridula Mudd (Leculea var.), 29
viridula A. L. Sm. (Lecidea i.), 29
viridulum Schrad. (Endoearpon), 309
viridulu8 Sm. (Lichen), 359
vitellina Muell.Arg. (Candelariella), lIO
vitellinaria Ny!. (Lecidea), 110, 389
vulgaris Breb. (Botrydina), 383
INDEX 4047
(Published 27th February, 1926.)
vulgata Ach. (Opegrapha), 263
vulgata Gray (Hysterina), 264
vulyatus Ach. (Lichen), 264
lVahlenbcryiana Ach. (Gyalecta), 5
WoJlrothii Flocrkc (Lecidca), 19
!Vallrothii Ny!. (Lecidea), 144
lVallrothii Tu!. (Scutula), 144
Weberi Ach. (Endocarpon), 292
Weberi Ach. (Lichen), 292
Whichcotii Larb. (Verrucaria), 301
JVjt[Jenii Mudd (Lecidea), 62
xanthococca Sommerf. (Lccidca), 109
xanthodes Ny!. (Opegrapha), 261
XYLOGRAPHA Fr., 245
xylogrnphoidcs Ny!. (Ptychographa),
247
zonata KoeTb. (Opegrnpha), 265
Zwackllii Cromb. (Lecidea), 201
Zwackllii Massal. (Thelidium), 325