SriLankaLichens_Book_eng - page 44

44
144
Apothecia without a
thin proper margin
separated from thalline
margin by a split and
not bearing periphyses
Myriotrema spp.
145 Thallus with isidia
Phyllopsora
furfuracea (Pers.)
Zahlbr.
145 Thallus without isidia 146
146
Apothecia orange to
rusty-red, K+ blood
red
147
146 Apothecia brown to
black, the disc, K- 148
147
Spores 2-celled, polar-
diblastic (i.e. the 2
cells are connected by
a thin canal)
Caloplaca spp.
147
Spores more than 2-
celled, usually
muriform (with
transversal and
longitudinal septa)
Letrouitia spp.
148
Apothecia immersed in
the thallus. Thallus C+
red. Spores muriform,
brown
Diploschistes
muscorum (Scop.)
R.Sant.