INDEX 
endochlora Leight. (Parmelia) 139 
epanora Ach. (Lecanora) 301 
epanorus Ach. (Lichen) 301 
EPHEBE Fr. 34 
EPHEBACEZ 26, 27 
EPHEBEIA Nyl. 35 
epibryon Ach. (Lecanora) 272 
epibryon Ach. (Lichen) 272 
epigea Ach. (Lecanora) 340 
epigeum S. F. Gray (Placodiwm) 340 
epigeus Ach. (Lichen) 340 
epiglypta Nyl. (Lecanora subsp.) 316 
epiphylla Wheld. & Tray. (Bacidia) 
476 
epiphyllus Ach. (Lichen) 427 
epixantha A. L. Sm. (Candelariella) 
229 
epizantha Nyl. (Lecanora) 229 
epixantha Ach. (Lecidea) 
epulotica Mudd (Aspicilia) 332 
epulotica Ach. (Gyalecta) 332 
epulotica Nyl. (Lecanora) 330, 332 
ericetorum A. Zahlbr. (Iemadophila) 
352, 405 
ericetorum Li. (Lichen) 352, 405 
ericetorum Huds. (Lichen) 405 
erosa Ach. (Gyrophora) 398 
erosa Sma. (Gyrophora) 398 
erosa Leight. (Physcia) 245 
erosa Borr. (Squamaria) 245 
erosa Hoffm. (Umbilicaria) 398 
erosus Web. (Lichen) 398 
erratica Linds. (Parmelia var.) 139 
erumpens Tayl. (Peltidea) 92 
erysibe Mudd (Lecania) 347 
erysibe Nyl. (Lecanora) 347 
erysibe Ach. (Lichen) 347 
erythrella Ach. (Lecanora) 209 
erythrella Tayl. (Lecidea) 209 
erythrella S. F. Gray (Rinodina) 209 
erythrellus Ach. (Lichen) 209 
erythrocarpa Ach. (Lecidea) 217 
erythrocarpa Pers. (Patellaria) 217 
erythrocarpum A. L. Sm. (Placodium) 
216 
escharoides Sm. (Lichen) 82 
EUASPICILIA 315 
EUBIATORELLA Th. Fr. 
eucarpa Stizenb. (Lecanora) 
eucarpa Nyl. (Lecidea) 474 
EUGYROPHORA A. Zahlbr. 3889 
EULECANIA Stizenb. 340, 342 
471 
474 
499 
EULECANORA Th. Fr. 266 
EUOPSIS Nyl. 37 
EUPARMELIA Nyl. 123 
EUPELTIGERA Hue 91 
EUPLACODIUM Stizenb. 
EUSTICTA Wain. 111 
euspora Nyl. (Stenocybe) 19 
ewsporum Nyl. (Caliciwm) 19 
eusporum Cromb. (Caliciwm) 20 
eusporum Mudd (Stenocybe) 19 
EVERNIA Ach. 161 
evernioides Nyl. (Ramalina) 172 
evolutum Grewe (Stereocaulon) 410 
exasperata Mudd (Gyrophora f.) 396 
exasperata Carroll (Parmelia) 143 
exasperatwm Ach. (Collema) 143 
exasperatus Gann. (Lichen) 3891 
Excretory products xix 
exigua Hook. (Lecanora) 251 
exigua S. F. Gray (Rinodina) 
253, 254 
exiguus Ach. (Lichen) 251 
exiguus Sm. (Lichen) 254 
exilis Lightf. (Lichen) 35 
exomila Stirt. (Lecanora) 266 
exortens Stirt. (Endococcus) 482 
exoriens Wheld. & Wils. (Pyreno- 
coceus) 482 
197 
251, 
expallens Ach. (Lecanora) 298 
expallens Borr. (Lecidea) 298 
expallens Pers. (Lepraria) 298 
explicata Stirt. (Verrucaria) 483 
explicatum Wheld. & Wils. (Theli- 
dium) 482 
faginea Leight. (Pertusaria) 360 
faginea Tayl. (Variolaria) 360 
faginea Pers. (Variolaria) 361 
fahlunense Nyl. (Platysma)* 154. 
fahlunensis Scher. (Cetraria) 154 
fahlunensis Lightf. (Lichen) 154 
fahlunensis L. (Lichen) 155 
fallax Web. (Lichen) 150 
fallax Hook. (Pertusaria) 
fallax Ach. (Porina) 374 
fallax Pers. (Verrucaria) 874 
farinacea Ach. (Ramalina) 170 
farinaceus L. (Lichen) 170 
farinaria Borr. (Lecanora) 
361, 489 
fascicularé Ach. (Collema) 61 
fasciculare S. F. Gray (Enchylium) 61 
2K 2 
365, 374 
291, 298, 
