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408 90.Alector. 3. HOMOTHALAME^. PLcell.aph.
1. Alectoria juhata. Mane cockscoml-moss,
Thallus cylindrical, slightly shining, livid brown and
black, compressed at the joints ; apothecia of the same co-
lour, growing convex, border not in the least cut.
Lichenoides quod Miiscus corallinus saxatilis foeniculaceus, Rail Syn,.
65,7.
Usnea jubafa nigricans, Dill. Muse. 64.
Lichen jubatiis, Lin. S. P. 1622; Engl.Bot. 1S80.
Usneajubata, Hoffm. Germ. 134.
Parmelia jubala, ylchar. Meth.Lich. 272.
Alectoria jiibata, Achar. Lich. Univ. 592.
On the trunks and branches of old trees.
2. Alecloria chahjheiformis. Iron-iuire cockscoml-moss^
Thallus and ['ranches rather simple, bent, stragglings
tufted, stiffish, lead black, lying down. -
Lichenoides quod Musciis caule rigido insfar fili chalybei, Raii Sijn^
65,2.
Lichen chaljbeiformis, Lin. S. P. 1623.
Lichen jubatus B, Engl. Bot. 1880.
Usnea implexa, Hoffm. Germ. 134.
Usnea chalybeiformis, /fo/fw. Germ. 135.
Parmelia jubata o, Achar. Math. Lich. 273.
Alectoriajubata chalybeiformis, Achar. Lich. Univ. 595.
On banks, palings, trees, and rocks.
S. Alectoria sarmejitosa. Runner cockscoml-7hoss,
Thallus rather cylindrical, angularly pitted, two-forked,
pale whitish, tips much branched, weak, very slender;
apothecia slightl}'^ concave, livid, hoary, afterwards spread
out flat.
Usuea loris longis dichotomis, extiemifatibus tenuioribus, Dillen Miisc.
59.
Lichen sarraentosus, Achar. Prod. 180; Engl. Bot. 2040.
Lichen dichotomiis, ^c/jnr. Prodr. 181.
Usnea dichotoma, Hoffm. Germ. 134.
Parmelia sarmentosa, Achar. Blelli. Lich. 271.
Jlamaiina sarmentosa, Achar. Lich. Univ. 595.
On the trunks and branches of trees, and on rocks.
Fam. IV. 4. CENOTHALAME^. Lichenes cenothalami,
Acharius. Algarum pars, Linnasus.
Lichenum, pars, Jussieu.
Thallus crustaceous or leatherlike; sporidia scattered,
innate in the substance, and in a naked proligerous flake of
a different colour placed upon the thallus, without any
internal nucleus or perithecium. Thallus perennial, terrestrial
or parasitic, greenish or becoming so when wetted;
absorbing water by the surface, and transmitting it to all
parts.