226 



THE LICHEN-FLORA 



Stn :— Ach. Meth. 166. (1803.) Univ. 399. 



Fig.— DfflLt 18. f. 14. 



Geog. Distbib :— Scandinavia. 



Bot. Pbov :— 5, 6. 



England :— Corndon TTill ! Shropshire. 



Wales :— Cader Idris ! 



VII. DIRINA, Ft. Nyl. 



Apothecia tuberculoso-lecanorine, hypothecium thick and black 

 beneath. Spores fusiform, 3-septate. Spermatia slender, arcuate. 



1. D. repanda, (Fr.) white, tartareo-farinose, thick, contin- 

 uous or rimulose, tuberculoso-unequal, sub-lobate in the circum- 

 ference (C red) ; apothecia at first closed, eventually expanded 

 and dilated, tuberculoso-elevated, piano-depressed, black, ccesio- or 

 albo-pruinose, rarely naked, margin thick, obtuse, cartilaginous, 

 more or less indexed and fleruose ; spores 8, colourless, fusiform, 

 3-septate. 



On maritime rocks, rare. 1867. 



Stn :— Fries S. 0. V. 285. (1825.) Nyl, Alger. 313. Prod. 97. 



Exs :— Schaer. 574. Atiei Venet. 41. Kabh. 788. 



Geog. Distbib : — France, Pyrenees, Austria, Sardinia, Algeria, Corsica. 



Bot. Pbov :— 7.. .31. 



Channel Islands : — La Coupe ! Jersey. Mr. Larbalestier. 



Wales : — Great Orme's Head ! Mr. Holmes. 



Sub-tribe VII. PERTUSARIEI. 

 Characters as in Pertusaria, below. 



VIII. PERTUSARIA. DC. 



Thallus crustaceous, continuous, verrucoso-unequal or smooth. 

 Apothecia enclosed in thalline verrucas, endocarpoid or lecanoroid, 

 or variolarioid Spores 1, 2, 3, 4, 5, 6-8, colourless, ellipsoid, 

 simple, large, the external paries thick. Spermatia acicular. 



A Thallus K yellow, then orangcred. 



1. P. mvltipunctata, (Turn.) cinereous, tartareous, verrncoso- 

 rugose, thin, with a fibrous border ; apothecia 1-2 in hemispherical 

 verrucce ; ostiola albo-sorediate ; spores 1 (rarely 2), colourless, 

 linear-oblong or elliptico-oblong, simple. 



On trees, beech, birch. 1808. 



Stn :— Turn. Linn. Trans. 9. 137. (1808.) Ach. Syn. 129. Nyl. Scand. 179. 

 Variolaria, Turn, and Borr ! L. B. 73. Mudd Man. 274. 



Fig :— Linn. Trans. 9. 1. 10. f. 1. E. Bot. 2061. Hepp Sporen t. 76. i . 672. 

 673. 



Exs :— Mudd 262. Hepp 672. 673. Zw. 288. 



Geog. Distbib : — Sweden, Italy, France, Bavaria, Germany, Philippine 

 Islands, S. Africa. 



Bot. Pbov :— 2, 3.. .5, 6, 7, 8.. .10, 11...19. 



England: — Sussex! Mr. Turner. (1808.) Br ants dale, Yorkshire. Dr. Gar- 

 rington. New Forest. Mr. LytU <fc Adm. Jonei. Malham, Yorkshire. Dr. 

 Carrington. Durham. Messrs. Bobson and ThornhUl. St. Leonard's Forest. 

 Messrs. Turner ct Sorrer. Haldon, Exeter. Mr. Parfitt* near Cirencester. Mr. 

 W. Joshua. Canterbury, Toy's Hill. Mr. Holmes. 



