194 L1CHENES. [Squamaria. 



2. S. muscorum, (little fleshy -shielded Moss Squamaria); 

 thallus imbricated flat pale-brown inclining to flesh-colour the 

 margin mealy and bluish dilated lobed and crenated, apothecia 

 prominent thick orange-coloured with a slightly raised border. 

 — Lecanora crassa, Ach. Syn. p. 193. — L. hypnorum, Ach. Lich. 

 Univ. — Lichen carnosus, Dicks. Cr. Fasc.2. p. 21. t. 6. /. 7. E. 

 Bot. t. 1684. 



On mosses, among rocks and upon trees in mountainous countries, 

 not unfrequent. 



3. S. hypnorum, {spreading Ground Squamaria); thallus 

 spreading of small greenish-brown scales rounded crenulated 

 and somewhat granulated at the margin, apothecia at length 

 flat red-brown with a thin inflexed pale lobed or crenated 

 border. — Lecanora hypn., Ach.* Syn. p. 193. — Lichen hypnorum, 

 Fl. Dan. t. 956. Dicks. Cr. Fasc. 3. p. 14. E. Bot. t. 740. 



On the ground, among mosses, in barren soil. — The small, almost 

 granulated portions of the thallus of this plant render it doubtful whether 

 it should not still rank with the true Lecanorce. 



4. S. tribdcia, {crenated Squamaria); thallus of whitish scales 

 the lobes irregular eroso-crenulate imbricated beneath of the 

 same colour and subfibrillose, apothecia appressed flat pale at 

 length notched and lobed in the circumference the border raised 

 persistent. — Lecanora tribacia, Ach. Syn. p. 191. 



Trees; England, (Aclu).— Connel Ferry, Scotland, by the south 

 Ferry- House, Borr. and Hooker. 



5. S. leucolepis, (greyish lobed Squamaria); thallus imbri- 

 cated the segments bluntly lobed and notched somewhat radiate 

 at the margin leaden-grey black and somewhat fibrillose be- 

 neath, apothecia black with an elevated thick crenated border. 

 — Lichen leucolepis, Wahl. Lapp. p. 781. — Lecanora leucol., 

 Ach. Syn. p. 194 Lichen Hookeri, E. Bot, t. 2283. 



Rare. On the micaceous rocks of the Breadalbane mountains, Borr. 

 and Hooker. — In Norway, this seems to grow upon decayed mosses ; with 

 us, always on rocks of micaceous schist. 



6. S. candeldria, (yellow Candle Squamaria); thallus crowd- 

 ed the segments upright entangled yellow minutely lobed 

 jagged and divaricated, apothecia minute flat deep-yellow with 

 a thick inflexed border. Sm. — Lecanora candelaria, Ach. Syn. 

 p. 191. — Lichen candelarius, Linn. — E. Bot. t. 1794. — [3. poly- 

 carpa ; thallus spreading crustaceous wrinkled greyish-yellow 

 lobed and toothed, apothecia very numerous crowded flat orange 

 with a thick inflexed border. Sm. — Lecanora candelaria, /3. Ach. 

 Syn. p. 192. — Lichen polycarpus, Ehrh. — E. Bot. t. 1795. 



Posts, rails and rocks, frequent — In Sweden, this Lichen is said to 

 be used for staining candles yellow, at festivals, whence its specific 

 name. 



** Thallus adnate, radiant, stellate and lobed in the circumference. 



7. S. murdrum, (yellow wall Squamaria); thallus orbicular 



