EXIL
LICHEN SARCOIDES. Tab, 22.
Menfe Augufto ineunte in lylvæ fubalpinæ loco
fiibaprico inveni hune Lichenem, qui undique corticem
trunk arboris vaftæ, in terram dejeclæ & putrefeere jam
incipientis, obducebat. Subftantia fungi gektioofa, tre»
mula & mollis, inftar Tremellæ,: ex fufco -carnei coloris
five rufi, rare ultra fcutellas protenfa, has tarnen femper
in fundo connekens ceu m.embrana una continua, cui
fcutellæ infident; cortici arboris adherens fine radiculis,
ut facillime absque læfione tolli queat. Sic femper te-
nuiffima eft, animalem quandam membranukm egregie
mentita ; fed ultra fcutellas dum quandoque protenditur,
tune hic incraffatur admodum, & modo animalem mem-
branam crafliorem æmulatur, modo affurgit in gyros me-
fenteriformes. Huiusmodi figura inferior eft: ; dum fupe-
rior lichones fiftit cum membranà ultra fcutellas non per-
^ente, quales etiam, a cortice arboris avulfos, figuræ c
demonftrant, antice &. a tergo confpekos. Scutellæ ea-
dem confiftentia ac colore donatas, concavas, & fubrotundæ,
tundse, aut feifiles funt, aut bafi in pedunculum veluti
elongantur. Juniorem feffilem figurae b b reprsfentant,
alteram in naturali magnitudine, microfcopio auctam alteram,
in qua margo limbi eft planum inclinatum. In
figuris a a exhibetur fcutella pedunculata, cum natura-
lis, turn aufita ad lentem.
|/J
V
B b b 2 V X