272 PYRENOCARPEI [nORMANDINA 



Nyl. in toni, cit. p. 18 ; Cromb. Lich. Brit. p. 109 ; Leight. Lich. 

 FI. p. 428 ; cd. 3, p. 459. V. cartilafjinea Carroll in Journ. Bot. 

 iv. p. 24 (1866). 



Hah. On the earth. — Distr. Rare in Alpine localities. — B. M. 

 Summit of Ben Lawers, and summit of Craig Calliach, Perthshire. 



6. D. macrocarpon A. L. Sm. — Thallus of small squamules, 

 scattered or aggregate, sublobate or subcrenate, appressed, pale- 

 dusky-olive when dry, light-green when wet. Perithecia immersed 

 in the squamules, the upper part free, opening by a pore ; 

 perithecial wall thick ; spores 8 in the ascus, ellipsoid, colourless, 

 very large, 0,040-45 mm. long, 0,015 mm. thick. — Endocarpon 

 macrocarpon Tayl. in Mackay Fl. Hib. ii, p. 258 (1836); Leight. 

 Angioc. Lich. p. 15, t. 14, f. 2 (1851)? Verrucaria macrocarpa 

 Mudd Man. p. 290 (1861). 



Leighton's figure represents a globose fruit with a double wall, 

 the inner enclosing the hymenium, and between it and the base " a 

 dirt3^-white or tartareous mass." The spores according to the same 

 figure are simple, brownish-coloured and ellipsoid, about 0,025 mm. 

 long, 0,012 mm. thick. These characters do not correspond with 

 those given above of the original specimen from Taylor in the British 

 Museum. The plant in the single specimen seen is associated with 

 Pannularia nigra. 



Hah. On slaty rocks. — Distr. Very rare in S.W. Ireland. — B. M. 

 Dunkerron, Kerry (the only locality). 



102. NORMANDINA Nyl. in Mem. Soc. Sci. Nat. Cherb. iii. 

 p. 191 (1855) emend.; Wainio Lich. Bresil ii. p. 188 (1890). 

 (PL 38.) 



Thallus foliaceous or squamulose, the squamules raised or 

 appressed, without a cortical layer. Algal cells Pleurococcus. 

 Perithecia immersed, globose or ovate with a blackish wall ; 

 paraphyses wanting ; spores 8 in the ascus, elongate-cylindrical > 

 septate, colourless, becoming brownish. 



A monotypic genus very widely spread in Europe, America and 

 New Zealand, though not common. 



1. N. pulchella Cromb. Lich. Brit. p. 107 (1870).— Thallus 

 glaucous or greenish-grey, squamulose, the squamules round or 

 rounded-lobate, adnate, often concentrically wrinkled, the margins 

 raised, thickened or inflexed and frequently sorediate, pale- 

 brownish and tomentose beneath. Perithecia very rare, immersed 

 in the thallus, the black ostiole protruding ; spores linear-cylin- 

 drical, 6-7-septate, colourless, becoming brownish, 0,028-40 mm. 

 long, 0,006-010 mm. thick; hymenial gelatine wine-red with 

 iodine. — Leight. Lich. Fl. p. 408 ; ed. 3, p. 440. Verrucaria 

 pulchella Borr. in Engl. Bot. Suppl. t. 2602, f. 1 (1829) (text). 

 Endocarpon pulchellum Borr. in Engl. Bot. Suppl. t. 2602, f. 1 (1829) 

 (plate) ; Hook, in Sm. Engl. Fl. v. p. 158 ; Tayl. in Mackay Fl. 

 Hib. ii. p. 101 ; Leight. Angioc. Lich. p. 13, t. 3, f. 1. Nor- 



