Pl.cell.aph. 4.CEN0THALAME.ZE. 102. Nephrom. 427 
2. Nephroma par He* Equal kidney-moss. 
Thallus livid, brown; beneath naked, rather wrinkled, 
blackish; fertile lobes short; flake of the apothecia 
brownish. 
Lichen parilis, Achar. Prod. 164. 
Peltidea parilis, Achar . Meth. 289. 
Nephroma parilis, Achar. Lich. Univ. 522. 
Upon mosses, on hills. 
XIII. 103. PELTIDEA. Acharius. Shield-moss. 
Thallus leaflike, leatherlike, expanded, nearly adnate, 
lobed; underneath woolly, veiny ; apothecia formed under- 
neath from the ascending, lengthened, proper lobes of the 
thallus; proliferous flake round, adnate throughout, rather 
oblique to the thallus; the inward segment slightly ele- 
vated, coloured, flat, inside cellular, streaked ; thalloid lor •*> 
der thin, elevated, close all round. 
1. Peltidea venosa. Veiny shield-moss. 
Thallus gray, green, underneath veined ; veins branched, 
running about, grey brown ; lobes rounded, very slightly 
cut; apothecia marginal, flat, round, tumid, dark brown, 
rather crenate. 
Lichen venosus, Lin. S. V. 1615 ; Engl. Eot. 887. 
Peltigera venosa, Hoffm. Germ. 107. 
Peltidea venosa, Achar . Meth . 282 ; Lich. 514. 
On the ground, on the edges of paths and ditches. 
2. Peltidea scutata. Buckler shield-moss. 
Thallus greyish, underneath whiter, veinless ; lobes 
rounded; sinuately cut, crenate, crisp; fertile lobes very 
short; apothecia round, ascending, rather flattish, brown, 
scarcely cut. 
Lichen scutatus, Dickson Crypt. Hot. 3,18. 
Peltidea scutata, Achar. Meth. 285 ; Lich. 515. 
On the mossy trunks of trees. 
3. Peltidea horizontalis. Horizontal shield-moss. 
Thallus sea-green, brown, and greenish, bald ; under- 
neath very white, networked with black veins ; fertile lobes 
very short; apothecia terminal, flat, horizontal, transversely 
oblong, bay-colour, not in the least cut. 
Lichenoides subfuscum, peltis horizontalibus, Dillen Muse. 205. 
Lichen horizontalis, Lin. Mant. 1, 132 ; Engl Bot. 888. 
Peltigera horizontalis, Hoff. Germ. 107. 
Peltidea horizontalis, Achar. Meth, 288 j Lich. 515. 
Among mosses on stones in mountain woods. 
