584 vii. lichenes. [ Lecidea . 
thecia on the margins of the areolae ; spores oblong. — Nyland. Prod. Lich. 
Gall, and Alg. 120. 
Northern Island: on rocks and earth, Colenso. (South Europe.) 
18. L. vesicularis, Ach. — Bab. in FI. N. Z. ii. 301. Phallus of ir- 
regular imbricated tumid powdery greyish warts or scales. Apothecia ir- 
regular, black, flattish, marginal on the scales, at length hemispherical ; 
spores narrow, fusiform or subacicular. — Nyland. Lich. Scand. 214. 
Northern Island, Colenso. (Cosmopolite.) 
19. L. Colensoi, Bab. — Bialora, Bab. in FI. N. Z. ii. 298. Phallus 
scaly ; scales subimbricated, ascending, lobed, erose, glaucous, ferruginous 
below, with a subferruginous medullary stratum. Apothecia ferruginous, 
black, with paler margins, at first concave, at length confluent, deformed, 
ferruginous internally, glaucous and pruinose. 
Northern Islaud : on earth, Colenso. 
fi. Thallus granular , 'powdery or evanescent. 
20. L. parasema, Ach. — Bab. in FI. N. Z. ii. 301. Phallus crus- 
taceous, thin, greyish, uninterrupted, somewhat granulated, edged with black. 
Apothecia sessile, flat, opaque, black, at length convex ; border smooth, 
black; spores ellipsoid, simple. — Nyland. Lich. Scand. 217? L. albido- 
plumbea, Payl. FI. N. Z. 1. c. 302. L. geomcca, Tayl. FI. Antarct. (A. papil- 
lata , Fries, ibid, in Suppl. p. 547.) 
Northern Island: on smooth hark of trees, common, Colenso , Knight , etc. Lord 
Auckland’s group : on bark and the ground, J. B. H. (Cosmopolite.) 
21. L. atro-alba, Flotow; — Bab. in FI. N. Z. ii. 301. Phallus crus- 
taceous, grey or white, spreading, cracked and granular, somewhat mealy. 
Apothecia sunk to a level wfith the crust, small, crowuled, black, pruinose, 
ashy within; spores ellipsoid, 1-septate. — Nyland. Lich. Scand. 233. 
Northern Island: on stones, etc., common, Colenso , etc. (Cosmopolite.) 
22. L. contigua, Fries; — Bab. in FI. N. Z. ii. 301. Phallus crus- 
taceous, ashy or white, thin or rather thick, continuous, cracked or areolate. 
Apothecia sessile, black within and without, often pruinose ; spores ellipsoid, 
simple. — Nyland. Lich. Scand. 224. 
Var. platycarpa. Thallus obsolete. Apothecia larger, pruinose ; disk white within, on a 
black substratum. — L. platycarpa , Ach. Bab. 1. c. L. petraa, Tayl. 
Northern and Middle Islands: on calcareous and other rocks, Colenso, J. D. H. ; 
Otago, Lindsay. (Cosmopolite.) 
23. L, lapicida, Fries; — Bab. in FI. N. Z. ii. 301. Phallus crusta- 
ceous, glaucous white, tessellated and granulated. Apothecia sessile, plane 
or convex, angular, black, with a narrow elevated border, black or dark 
grey within. — Nyland. Lich. Scand. 225. 
Northern Island : on rock, Colenso. (Europe.) 
24. 1m. abietina, Acli.? — Bab. in FI. N. Z. ii. 302. Phallus crusta- 
ceous, spreading, smooth, erose, pale glaucous or leprous, effuse or evanes- 
cent. Apothecia sessile, flattish, black, pruinose, wdth a black border; spores 
fusiform, 3-septate.- — Nyland. Lich. Scand. 241. 
Northern Island: on saudstone rocks, Colenso. (Europe.) — A doubtful identification. 
