214 LICHENES. [Peltidea. 



32. C. muscicola, Ach. (Moss Collema); thallus tufted suf- 

 fruticulose very minute olive-black pulvinate, brandies cylin- 

 drical divided subfastigiate rather obtuse wavy and uneven, 

 apothecia nearly terminal horizontal flattish brown with an 

 entire border. — Ach. Syn. p. 328. — Lichen muscicola, Ach. 

 Prodr. — Ach. in Nov. Act. Holm. 1795. p. 12. t. 1./. 3. Dicks. 

 Cr. Fasc. 2. p. 23. t. 6.f. 9. E. Bot. t. 2264. 



On rocks, among mosses, in mountainous countries. 



33. C. spongiosum, Ach. (spongy Collema); thallus dull- 

 green, the segments clustered much branched granulated cylin- 

 drical obtuse, apothecia scattered concave brown externally 



spongy and pale with a thin upright border. Sm Ach. Syn. 



p. 329. — Lichen spongiosis, E. Bot. t. 1374. 



Upon the ground, among mosses, in subalpine countries, not very 

 uncommon. — The apothecia are peculiarly large and peziza-like, and 

 they often appear to be sunk in the comparatively obscure thallus of this 

 curious Lichen. 



Fam. XI. Peltigere^e. 



21. Solori'na. Ach. Solorina. 



Thallus foliaceous, coriaceous, lobed, free beneath, having 

 fibrous or woolly veins. Apothecia (peltce) adnate, sometimes 



immersed, orbicular (distant from the margin), not bordered 



Name ; r,oko;, a disk or orb and g<» fl j, a shield ; from the orbicular 

 shield-like fructifications. — A genus which scarcely differs from 

 Peltidea, except in the situation of the apothecia. 



1. S. crocea, Ach. (saffron Solorina); thallus green (brown 

 when dry) lobed veiny beneath and of a fine orange-saffron 

 colour, apothecia red-brown somewhat tumid nearly even with 

 the thallus. — Ach. Syn. p. 8 — Lichen croceus, Linn. — Jacq. 

 Coll. v. 4. t. 11./. 2, 3. E. Bot. t. 498.— Dill Muse. t. 30. 



/ 120. 



Summits of the Highland mountains, upon the ground, among rocks. 



2. S. saccata, Ach. (Socket Solorma); thallus green (grey 

 when dry) lobed whitish and fibrous beneath, apothecia dark- 

 brown in deep pits in the thallus nearly plane. — Ach. Syn. p. 8. 

 — Lichen saccatus, Linn — E. Bot. t. 228. — Dill. Muse. t. 30. 



/. 121. 



Upon the ground in the clefts of rocks, in shady situations, in moun- 

 tainous districts. 



22. Peltidea. Ach. Peltidea. 



Thallus foliaceous, coriaceous or membranaceous, spreading, 

 lobed, with woolly veins beneath, the lobules fertile. Apothe- 

 cia (peltcE) suborbicular, adnate on the upper side of the lobules 

 or proper portions of the thallus and having a border formed of 

 the thallus — Named from pelta, a shield, which the apothecia 

 resemble. 



