Al1OD ° 4, CENOTHALAME. Pl. cell. aph. 
Apoth. sessile, oblique, marginal ; 
thalius leatlike, smooths... 6.4.24 ... CEeTRARIA. 106. 
Apoth. rather pedicelled, free ; 
thallus cartilaginous; lobes fringed ..... Borrerta. 107. 
Apothecia nearly sessile, edge free; 
thal. \eaflike, interspersed with soredia ..... Sricra. 105. 
Apothecia nearly sessile, edge tree ; 
thal. \eaflike, tips inflated ; soredia 0. ..... Puyscia. 108. 
Apothecia nearly sessile, edge free; 
thallus leaflike, tips equal; soredia 0 .... ParmeEtza. 109. 
EK. Apothecia shieldlike, bordered ; thalius crustaceous, 
adnate. Lecideadeex. 
Thallus figured, scaly, tiled-like, ; 
raised high around the apothecia ....... Psoroma. 110. 
Thallus figured, lobed, raised 
high around the apothecia ..... vo seee LE LACODIUM. 114 . 
Lhallus uniform, raised high 
around the apothecia ....... PA teats . Rrnopina. 112. 
Thallus uniform, elevated around 
the immersed apothecia ............ Urceouartia. 113. 
Thallus figured or leaflike ; 
apothecia not sunk in the thallus ....... Lepipoma. 114.° 
Thallus uniform; apothecia not sunk in Lecipga. 115. 
F. Apothecia flattish, plaited, bordered; thallus shield- 
like, free underneath. Gyrophoridez. 
Thallus leatherlike ; 
apoih. meandering plaited .......... GyropHora. 116. 
G. Apothecia flaltish, difform, not lordered ; thallus 
crustaceous, flat, adnate. Spilomideee. 
Apothecia round, black, solid..... ... ARTHONIA. 117. 
Apothecia coloured, powdery ......... SpiLoma. 118. 
Ei. Apothecia cupshaped, bordered ; thallus crustaceous, or 
very thin, Calicideee. 
Apothecia nearly sessile...... see bed .. AcoLiumM. 119. 
Apothecia stipitate, border prominent PHacotiuMm. 120. 
Apothecia stipitate, centre swollen ; 
OGM eIO wes. cages ya old va Gp teed SDRONGMEIUM.) 121. 
