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Apo t h e c ia (tuhercula) sparsa, aterrima, intus homogenea.
39. M e l a n o p h t h a lm um .
Thal lus orbicularis, crustaceus sublobatusque, In-
aequalis.
Apot h e c i a (tuhercula) atra nitida, 4 - 6 in centro
thalli congesta, sed non confluentla.
40. A u l a x i na.
Thall us orbicularis, membranaceus, strlatulls con-
centricis notatus.
Apoth e c i um (pseudo-llrella) triangulare, impres-
sionatum apertumque, angulis acutls.
IX. Parmel lace'es.
41. P a rme l i a .
Tha l lus membranaceus vel cartilagineo - coria-
ceus, foliaceus, siellains, lobatus lacl-
nlatusque subtus lilirillosus vel subnu-
dus.
Apothecium (scutella) orhiculatum, suhurceola-
tum, membranaceum, centro thallo
affixum subtusque liberum; lamina
proligera marginem thallodem acquante
et subohiegenie, in amhiiu
inflexa, inlus slmüari vei celluhfera
strlalaque.
42. C i r c i n a r i a ,
T h a l lu s foliaceus, coriaceo - suhmemhranaceus,
j)lano - expansus, adpressus, orbiculatus
stellalusque, lobatus vel mullifido - lacinia-
lus, subtus fibrillosus.
Apo t h e c ium (patellula) orhiculatum, suhurceola-
lum sessileque, membrana colorala
tectum ; disco aequabili marginato,
intus similari.
43. S t i c t a .
Thall u s coriaceo - carlllagiueus , follaceus, late-lo-
hatus, subtus vlllosus, cyphellisque vel
sorediis maculiformlbus ut plurlmum in-
structus.
Apo t he c i um (scutella) orhiculatum, crassiuscu-
lum, thallo adpressum, centro eidem
affixum, sublus liberum ; lamina proligera
discum formante margiueque
thallode earn excedente ciucia.
44. De l i s e a ,
Thallu s coriaceo-cartilagineus, follaceus, late lo-
balus, subtus villosus cyphellisque in-
structus,
Apo t h e c ium (scutella) orhiculatum crassum, pH-
catum, thallo adpressum, centro
eidem affixum, subtus liberum; lamina
proligera crassa, discum formante,
luberculls aterrlmis disliuctis
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