46 
CRYPTOGAMIA. ALGiE. Lichen. 
and less branched, fixed to the ends of the branches, ratherpaler and whiter 
than the leaves, brownish with age. Dill. Saucers grey white; reddish when 
old, Weis. (It is very rarely found in fructification, but may easily be 
known without, by its soft and pliable texture, and diffuse much-branched 
form. E. Bot. E.) 
(Ragged Hoary Lichen. Evernia prunastri. Achar. Hook. By the 
latter authority L. stictoceros , E. Bot. 1353, is considered the same 
species. E.) 
Trunks and branches of trees, on old willows it is softest, on blackthorn 
whitest. Dill. P. Jan.—Dec.^ 
Var. 2. Narrow-leaved. 
Bill. 21. 54— Vaill. 20. 7. 
Leaves tender, divided and sub-divided into narrow, oblong, horned 
segments, smooth but not shining, upper surface convex, under side 
hollow. Dill. 
L. prunastri. Q3 Huds.) On dry half-decayed branches of heath, on a 
moor two miles from LipjDock, Hampshire. Dill. 
Trunks of trees and on pales. Grows common with L. prunastri on 
trunks of trees. Staley bridge, near Manchester. Mr. Bradbury. 
P. Jan—Dec. 
L. glaucous. Saucers brown, small: foliage pale and glaucous, de¬ 
pressed, lobed, smooth, curled and mealy at the edge. 
Bill. 25. 96— Jacq. Coll. iv. 19. 2— FI. Ban. 598— Hoffm. Enum. 20. 1—- 
II. Ox. xv. 7. row 4. 4— (E. Bot. 1606. E.) 
Leaves thinner than paper, of a mixture of white, ash-colour, and sea- 
green. Linn. Leaves cut and curled like those of Endive, smooth and 
shining on both sides, pale sea-green, brown underneath, substance 
black. Edges of the segments of the leaves mealy. Saucers small, 
brown. Dill. 
(Glaucous Leafy Lichen. Cetraria glauca. Achar. Hook. E.) On the 
ground amongst stones and rocks, and on heaths. On Emmot-moor 
near Coin, Lancashire; on Banstead Downs; near Moffat, and in 
Breadalbane. P. Jan.—Dec. 
L. fal'lax. Saucers red brown, terminating : foliage sea-green, thin, 
jagged, white underneath, with black spots. 
(E. Bot. 2373. E.)— Bill. 22. 58 —Hoffm. Lich. 46. 1. 2. 3 —Mich. 37. 
Differs from L. glaucus, for which it may be easily mistaken, as follows. 
Segments diffuse, not depressed, white underneath, never black or brown. 
Saucers terminating, not generally scattered over the surface of the leaves. 
Dicks. 13. Leaves several from the same centre, a finger’s length, cut 
into a few segments, elegantly fringed and finely cut at the edge ; fringe 
crisp, granulated; surface smooth, substance blackish. Saucers large, 
terminating, concave, wrinkled, reddish within. Dill. 
"(Fallacious Leafy Lichen.) Rocks in Devonshire. 
L. islan'dicus. Saucers purplish brown, very large: leaves brown 
green, ascending, the edges raised and fringed. 
* It has a remarkable property of imbibing and retaining odours, and is therefore 
the basis of many perfumed powders. 
