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486 5. IDIOTHALAME^. P/. cell aph. Fam.V. 5. IDIOTHALAME^. Mganim pars, Um^. Lichenum pars, Jussieu, Acharius. Thallus crustlike or leatherlike; sporidia scattered, innate in the substance, and in a nucleus or proligerous flake covered by the thallus, or by a single or double perithecmm.~ThaUus perennial, terrestrial, or parasitical; greenish or becoming so when wetted ; absorbing water by the sur- face, and transmitting it to all parts. 'A. Thallus Icalherlike, shrublike; apothecia tubercular perithecium 0. Rhizomorphidae. Thallus crustlike, cartilaginous, branched, shrublike, upriglit SpHiERoPHORON. 122» Thallus crustlike, membranaceous, branched, creeping, prostrate Rhizomorpha. 123. B. Thallus crusil'ike ; apothecia jvart like ; perithecium distinct. Variolaridee. Thallus crustlike Variolaria. 124. C. Thallus crust like ; apothecia wartlike; perithecium distinct. Porinida. Nucleus single perithecium simple, black Pyrenula. 125* Nucleus simple; perithecium double, first thick, second membranaceous. . . Thelotrema. 126. Nucleus mostly single, covered ; perithecium simple Porina. 127. D. Thallus crustlike; apothecia round, not bordered; perithecium distinct. Vcrrucaridse. Thallus cartilaginous, membranaceous, perithecium double Lejophlea. 128. Thallus crustlike, cracked in beds, or powdery; perithecium double Lithocia. 129. Thallus soft, towlike, spongy or cobwebby; perithecium Aovihlc Inoderma. 130. Thallus leaflike or shieldlike; perithecium single Endocarpon. 131.

Pl.cell.aph. 5. IDIOTHALAMEiE. 487 E. Tliallus crustlike J apothecia Jiat, hordered, linear. Opegraphidae. Periihecium simple Graphis. 132. yipothecia hollow, grooved or flat; edges open ; perithecium Alexoria. 133. Apotkccia slitlike ,• edges swollen perithecium . . . Hystekina. 134. A. RHizoMORPHiDiE. Tliallus leatherlike, shrubby; apothecia tubercular; perithecitini 0. I. 122. SPHiEROPHORON. Persoon. Ball-moss. Thallus crustlike, cartilaginous, branched, shrublike; inside towlike, rather solid ; apothecia nearly globular, sessile, terminating the branches of the thallus, and formed of it, which tearing open shows a black, powdeiy, globular mass included with it. 1 SphcErophoron coralloides. Coral-like hall-moss. Thallus pale chestnut, scarcely divided; branches lateral, long, weak, divaricated, forked, pointed, fibrilled; apothecia nearly globular, smooth. Lichenoides rou tubulosum, ramulis scufellis nigris terminatis, Dillen in Rail Syn. 66, 13. Lichen globiferus, Lin. Mant. 133. Lichen globosus, Huds. Fl. Angl. ed. 1, 460. Lichen fragilis j8, Huds. Fl. Angl. 558. Stereocaulon globiferum, Hojfin. Germ. 151. , Sphaerophoron coralloides, ^icAar. Me

Pl.cell.aph. 5. IDIOTHALAMEiE. 487<br />

E. Tliallus crustlike J apothecia Jiat, hordered, linear.<br />

Opegraphidae.<br />

Periihecium simple Graphis. 132.<br />

yipothecia hollow, grooved or flat;<br />

edges open ; perithecium Alexoria. 133.<br />

Apotkccia slitlike ,• edges swollen<br />

perithecium . . . Hystekina. 134.<br />

A. RHizoMORPHiDiE. Tliallus leatherlike, shrubby;<br />

apothecia tubercular; perithecitini 0.<br />

I. 122. SPHiEROPHORON. Persoon. Ball-moss.<br />

Thallus crustlike, cartilaginous, branched, shrublike;<br />

inside towlike, rather solid ; apothecia nearly globular,<br />

sessile, terminating the branches of the thallus, and formed<br />

of it, which tearing open shows a black, powdeiy, globular<br />

mass included with it.<br />

1 SphcErophoron coralloides. Coral-like hall-moss.<br />

Thallus pale chestnut, scarcely divided; branches lateral,<br />

long, weak, divaricated, forked, pointed, fibrilled; apothecia<br />

nearly globular, smooth.<br />

Lichenoides rou tubulosum, ramulis scufellis nigris terminatis, Dillen in<br />

Rail Syn. 66, 13.<br />

Lichen globiferus, Lin. Mant. 133.<br />

Lichen globosus, Huds. Fl. Angl. ed. 1, 460.<br />

Lichen fragilis j8, Huds. Fl. Angl. 558.<br />

Stereocaulon globiferum, Hojfin. Germ. 151.<br />

, Sphaerophoron coralloides, ^icAar. Me

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