pobina] pyeendlaoe.® 337 



at G-oodwioh Bay, is identical with Ms original specimen of 

 V. tenui/era collected at Jersey. 



Hab. On rocks. ~ Distr. Eare in the Channel Islands and 

 S. Wales. — B. M. Goodwioh Bay, Pembrokeshire. 



9. P. epigaeoides A. L. Sm. — Thallus pale-greenish, thin, re- 

 sembling a greenish spot. Perithecia black, small, semi-immersed ; 

 perithecial wall black over the upper half, brown below; 

 paraphyses slender, distinct ; spores 8 in the ascus, elongate, 

 fusiform, 3-septate, 0,018-27 mm. long, 0,005-8 mm. thick.^ 

 Verrucaria epigaeoides Nyl. in Flora 1. p. 329 (1867) ; Carroll in 

 Journ. Bot. v. p. 259 (1867) ; Cromb. Lich. Brit. p. 116 ; Leight. 

 Lich. M. p. 446 ; ed. 3, p. 477. 



Hah. On sandy soil. — Distr. Bare in S.W. Ireland. — B. M. Moher, 

 Glare. 



Perithecia darh-coloured : spores 3-7- {rarely more-) septate. 



10. P. olivacea A. L. Sm. — Thallus effuse, thin, continuous 

 or becoming slightly cracked, smooth or somewhat wrinkled, 

 dull olive-brown. JPerithecia hemispherical, small, numerous, 

 prominent, immersed at the base, black ; perithecial wall 

 dimidiate ; paraphyses stoutish, free ; asci cylindrical-clavate ; 

 spores elongate-clavate, 3-7-septate, colourless, 0,027-40 mm. 

 long, 0,004-5 mm. thick. — Verrucaria olivacea Pers. in Ust. 

 Ann. Bot. vii. p. 28 t. 3, fig. 6 (1794) 1 Borr. in Sm. Engl Bot. 

 Suppl. t. 2597, fig. 1 (1829); Hook, in Sm. Engl. FL v. p. 150; 

 Tayl. in Mackay Fl. Hib. ii. p. 89 ; Leight. Angioc. Lich. p. 42, 

 t. 18, f. 1 & Lich. Fl. p. 452 ; ed. 3, p. 483 ; Cromb. Lich. Brit, 

 p. 117. Arthopyrenia olivacea Mudd Man. p. 301 (1861). 



Exsicc. Bohl. n. 82; Le.ght. n. 199; Mudd n. 290. 



Sab. On the bark of trees. — Distr. Bather rare throughout 

 England and Wales and S. and W. Ireland, not recorded from the 

 Channel Islands nor from Scotland. — B. M. Duncton and Henfield, 

 Sussex ; Shiere, Surrey ; Silbertswold, Kent ; near Cirencester and 

 Stowell Park, Gloucestershire ; Malloch Tor, Derbyshire ; Gwydir 

 Woods, Bettws-y-Coed, Carnarvonshire ; Easby Wood and Sowerdale, 

 Cleveland, Yorkshire ; TuUagreen and Ballyedmond, Cork ; Muckruss, 

 Killarney, Kerry ; Killaloe, Clare ; Loughcooter, Galway. 



11. P. faginea Am. in Flora Lsviii. p. 166 (1885).— Thallus 

 whitish or cream-coloured, thin, effuse. Perithecia black, minute, 

 semi-immersed, hemispherical ; perithecial wall dimidiate ; para- 

 physes crowded, distinct ; spores broadly lanceolate-fusiform, 

 colourless, usually 5-7- (rarely more-) septate ; 0,030-37 mm. 

 long, 0,003-7 mm. thick. — Sayedia faginea (sub Segestria) Schser. 

 Enum. p. 208 (1850). S. laciea Koerb. Syst. Lich. Germ. p. 366 

 (1855). Verrucaria laetea Leight. Lich. Fl. p. 452 ; ed. 3, p. 483. 



nab. On trees. — Distr. Eare in S. England (Sussex). 

 II. z 



