■sy
GYROPHORA erosa.
C o r r o d e d G y r o p h o r a .
CRYPTOGAMIA Algae:
Gen. Char. Tubercles sessile on a peltate fron d , black
with a plaited contorted disk , in whose clefts the
seeds are lod ged .
SPECb , ^ A t ■F r0I1r membranrou^ r » g g ed , blueish-
la ck its circumference perforated, reticulated and
J J S f y U" de,r Slde brow n ish -grey, somewhat gra-
c VM !^ d a" d fib rous - T u b e r c le s rather con v e x .
t •' I G y roPhora er° s a . Ach. Meth. 103.
Lichen erosus. Ach. Prod. 145. Weber. Goett. 259
L. corrosus. Ehrh. Crypt. 306.
62. Hull.
301. Winch. Guide, v. 2. 43.
L. polyrrhizos. Buds. 550.
L ich en o id e s ru go sum durum p u llum , peltis atris ver-
rucosis. B ill. Muse. 220. t. 30 f . 1 1 8
Um b ilic a r ia erosa. Hoffm. PL Lich.'v. 3 . ' t. 70.
Sco^laSP hC ,hlgh?St granlte hiIls of Wales and
Yorkshbe A *“ ■ the m° “nta,nous Pa^s of Durham and
lands 1 1* ^nompanymg the vitrified forts in the Highof
fire wh?ekh f lf -♦ ht ’ hke them’ undergone the action
name Th f t i t haVC suggested Lightfoot’s specific
n n ^ Vii 5 though certain and expressive, we resign to
one still more so, of nearly the same date, which h a f been
ore generally adopted. To such reasons a trifling difference
^ Ptn ?r.V;y ought. t0 g've way. We have long anlrepeatedly
as f tenusPraPrf!ety ° f f,Stablishlng these umbilicated Lichen^
learLd frienH f $ ®° doi" g We’ .at the ea™est desire of our
expresses " it" ad°pt h'S name Gyrophora, which
okW one n J r mC character, m preference to Hoffmann’s S S r -r°th“ m ™ <•
dif'ers from all the rest in the curious
messed fihr/s T'vClrCn renCe and in the peculiar compressed
fibres, like shavings, of the under side. The unner
freau1entf conv!nky S i t ' J’agged and curled> bearing
planed or compounded? *** . ^ l l whlch are very | f f •