porina] pyrenulace.=e 337 



at Goodwich Bay, is identical with his original specimen of 

 V. tcmdfera collected at Jersey. 



Hah. On rocks. — Distr. Rare in the Channel Islands and 

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



9. P. epigSBOides 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 apigseoides Nyl. in Flora 1. p. 329 (1867) ; Carroll in 

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

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



Hab. On sandv soil. — Distr. Rare in S.W. Ireland. — B. M. Moher, 

 Clare. 



Perithecia dark-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. Perithecia 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) ? 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. 



Hah. On the bark of trees.-— i)is^r. Rather 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 ; Malioch Tor, Derbyshire ; Gwydir 

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

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

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



11. P. faginea Arn. in Flora Ixviii. 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. — Sai/edia faginea (sub Segestria) Schser. 

 Enum. p. 208 (1850). S. lac'tea Koerb. Syst. Lich. Germ. p. 366 

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



Hah. On trees. — Distr. Rare in S. England (Sussex). 

 II. z 



