* 
14 BRITISH RAMALINAS IN THE BRITÍSH MUSEUM. 
Jinan rm th of: » >R 
CME 7 ASUJI CU 'UUtUIO 
+ 24.21.71 y f, 4. y 
8. R. scopulorum (Dicks. Crypt. iii. 18), Ach. L. U. p. 604; Nyl. 
Recog. Mon. Ram. p. 58. Hook. Br. Fl. ii. p. 225 ; Mudd, Man. p. 14. 
— This, like R. polymorpha, with which it has been frequently confounded, : 
is a somewhat variable species. It may be readily distinguished in all its 
states by the character of the thallus, which is shining, and never grami- 
loso-sorediate, and by the different reaction with K. The specimen 
l Arra 
Crombie, from the coast of Kincardineshire; and I have seen specimens. 
from : the east of Scotland, however, it is not so common as - 
R. polymorpha. 
but it does not appear to occur in frui 
tt Medullary stratum not tinged with K. 
able as yet satisfactorily to determine in its typical state, as described by 
Leighton in Ann. and Mag. Nat. Hist. ' As described by Nylander, Lich. 
Scand. p. 76, and by Th. Fr. Lich. Scand. p. 40,—“a small form with 
the lacinie erect, subsimple, blackish at the subulate apices,” —it occurs 
in Herb. Forster, from near Aberystwith; in Herb. Holl, from Membury, 
south Devon; in Herb. Crombie, from coast of Kincardineshire. In 
a 
te. ae 
s, at all events, judging from the synonym Lichen siliquosus, and its 
given by Withering, iv. p. 40, is to be referred Dill. Muse 
hi he gives as ei yp “the Grey Wahena EM 
: -” As L, siliquosus it occurs in Pulten 
herbarium, though there it p also lnixed with R. polymorpha. a 
Leighton also refers Dill. t. 17. £. 39 A to this species, and his own Exs. % 
e latter unfortunately does not occur in Herb. Brit. Mus. The gu .— 
Dillenius, I suspect, must be assigned from his own description to 
