SriLankaLichens_Book_eng - page 16

16
36
Lower surface brown
to dark brown, densely
and velvety tomentose.
Lobes not
monophyllous
Sticta weigelii
(Ach.) Vain.
37
Photobiont blue-green.
Upper surface dark-
coloured when wet
38
37
Photobiont a green
alga. Upper surface
usually not dark-
coloured when wet
48
38 Without soredia or
isidia 39
38 With soredia or isidia 44
39
Thallus heteromerous,
clearly dorsiventral,
not gelatinous when
wet
40
39
Thallus
homoiomerous, not or
weakly dorsiventral,
more or less gelatinous
when wet
41
40
Lobes 5-10 mm wide.
Apothecial margin
without radiating hairs
Coccocarpia
erythroxyli
(Spreng.)
Swinscow & Krog
40
Lobes 0.2-1 mm wide.
Apotecial margin with
radiating hairs
Coccocarpia
stellata Tuck.