232 L1CHENES. [Splice ropkoron. 



apotliecia brownish with a glaucous tinge bordered. Turn, and 

 Borr.—Ach. Syn. p. 281. Turn and Borr. Lich. Brit. p. 100. 

 — Lichen corallinus, Linn. — E. Bot. t. 1541. 



On rocks and stones, chiefly in mountainous countries. 



7. I. ocidatum, Ach. Meth {eye like Isidium); thallus inde- 

 terminate filmy very thin continuous white, podetia simple and 

 branched in a proliferous manner marked with rings as if joint- 

 ed, of the same colour as the crust, apotliecia disk-like flattish 

 somewhat flocculose glaucescent bordered. Turn, and Borr. 

 Lich. Brit. p. 103. — Lichen ocukdus, Dicks. Cr. Fasc. 2. p. 17. 

 t. 6./. 3. E. Bot. t. l83S.—Leca?iora ocidata, Ach. Syn. p. 148. 

 — j8. podetia densely crowded together their surface very rugged 

 their apices soredium-like fastigiate forming an areolate surface. 

 Turn, and Borr. I. c. 



Rocks and stones in Scotland, and on mosses and bare soil in the 

 mountains. (3. forming large patches on rocks, Cunnamara, Mr. Mackay; 

 and near Bantry, Ireland, Miss Hutchins. 



35. Spklerophoron. Ach. Splmerophoron. 



Thallus crustaceo-cartilaginous, branched, suffruticose, solid 

 within. Apothecia (cistulce) subglobose, sessile, terminal on 

 the branches of the thallus and formed of it, breaking with a 

 torn border and containing a pulverulent black mass collected 

 into a ball. — Name; cf pa/pa, a globe or ball, andpogc, bearing, — 

 the character of its fructification. 



1. S. coralloides, Turn, and Borr. (Coral-like Sphcerophoron) ; 

 thallus cartilaginous shrub-like subcylindrical irregularly branch- 

 ed brownish, apothecia sphserical in every stage, the border of 

 the old ones inflexed and ragged. Turn, and Borr. Lich. Brit. 

 p. 110. — a. laxum ; thallus of unequal height and thickness ir- 

 regularly divided, lateral branches horizontal tufted half as 

 thick as the main-stem. Turn, and Borr. I. c — S. coralloides, 

 Ach. Syn. p. 287. — Lichen globiferus, Linn. — E. Bot. t. 115. — 

 Dill. Muse. t. 17. f. 5. — ( 3. c&spitosum ; thallus densely csespi- 

 tose fastigiate dichotomous with erecto-patent divisions, lateral 

 branches none. Turn, and Borr. I. c. p. 111. — SphcErophoron 



fragile, Ach. Syn. p. 287. E. Bot. t. 2474, (not 114.)— 

 Lichen fragilis, Linn. 



Both varieties on rocks, often among mosses, sometimes on trees, in 

 the mountainous parts of Britain. «. On the Sussex sand-rocks, Mr. 

 Borrer.— l quite agree with Messrs. Turner and Borrer in the propriety 

 of uniting the two species now noticed into one, to which I think 

 might safely have been joined the following, S. compressum. 



2. S. comp>ressum, Ach. (compressed Spharophoroii) ; thallus 

 cartilaginous shrub-like irregularly branched compressed white, 

 old apothecia flat with a reflexed border. Turn, and Borr. — 

 Ach. Syn. p. 287. Turn, and Borr. Lich. Brit. p. 1 15. — 

 Lichen fragilis, Huds.—E. Bot. t. lU.—Dill. Muse. t. 17. 



/. 34. 



