CRYPTOGAMIA. ALGA3. Lichen 
37 
Little branches scarcely prickly, the ends forked, pointed. Huds. Tufted, 
shrubby, much branched, one or one and a half inch high. Branches 
interwoven, compressed, pitted on each side, dividing and subdividing in 
forks ; ending in fine thorns; dark brown when wet, almost black when 
dry, white within. Saucer-like tubercles terminating the larger branches, 
red brown, thorny at the edge, horizontal. Not often found with saucers. 
Hoffman. 
J L. Ulandicus. y Huds. &c. but whatever relation it may bear to that spe¬ 
cies, the investigating botanist would certainly expect to find it in this 
subdivision. 
(Prickly Lichen. Cornicularia aculeata , /3 spadicea. Achar. Hook. E.) 
On Stieperstone, Shropshire. Heaths about London, and hilly parts of 
Cambridgeshire. Dill. On rocks in Dartmoor, Devonshire. Mr. New¬ 
berry.* 
L. uncla/lis. Tubercles reddish brown, very small; plant hollow, per¬ 
forated ; ultimate branches very short, acute. 
E. Hot. 174— Dill. 16. 22. 
Quite hollow; very brittle when dry. Woodward. Grows in dense tufts. 
Stems short, but little branched, longer and more branched with age, 
hardly more than an inch high, yellowish or greenish white, quite white 
and brittle when dry. Tubercles very small, reddish brown, disposed like 
stars on the horn-shaped extremities of the branches. I have sometimes, 
though rarely, found some whitish scolloped foliage at the base. Dill. 
Perforations at the origin of the branches. 
(Perforated Hollow Lichen. Cenomyce uncialis. Achar. Hook. E.) 
Heaths and stony places in mountainous situations. On dry heaths and 
rocks thinly covered with earth. In Dartmoor, Devonshire. Mr. New¬ 
berry. On moors in the north of England. Mr. Woodward. 
P. Jan.—Dec. 
Var. 2. Larger and less crowded in its growth. 
Dill. 16. 21— II. Ox. xv. 7. row 3. 7. p. 633— Mich. 40. 2. 
From two to four inches high. Stems thick, tender, smooth, forked again 
and again, but not much branched, armed at each division of the forks 
with soft thorns, open at the ends, terminating in three, four, or five rays. 
Tubet'cles infrequent, small, reddish. Plant when fresh, pale yellowish 
green, or whitish ; quite white when dry. Dill. 
High heaths, Leath Hill, Surrey, and the heath between Lippock and 
Petersfield, Hampshire. Dill. 
L. pascha'lis. Tubercles olive brown, terminating; plant solid, 
covered with minute crustaeeous leaves. 
Dicks. H. S. — E. Bot. 282— Dill. 17. 33— Hoffm. Licit. 5. 1— Mich. 53. 5 
to 8— FI. Dan. 151— Happ. ii. Lichen. 2— II. Ox. xv. 7. 12— Scheuch. It. 
19. 4. at p. 136— Pet. Gaz. 65. 7. 
Stems very smooth, beautifully incrusted with leaves, especially when 
viewed through a magnifying lens. Linn. Upright or decumbent, many 
roundish stems issuing from a larger stem, divided and subdivided, the 
extremities bent, woody, flaccid when wet, pale sea-green to yellow or 
red brown. Young plants covered with a brittle crust. Warts very 
* (This plant, so rare in our northern climate, grows abundantly in the islands of the 
Archipelago and Canaries, where a fine red pigment called lake is prepared from it. 
Dr. Swediaur. E.) 
