578 
VII. LICHENES. 
[. Lecanora . 
2. L. chyrosticta, Tayl. — Parmelia, Bab. in FI. N. Z. ii. 293. Thallus 
thin, white, studded with large granular buds, which are sometimes tipped 
with orange. Apothecia crowded, concave ; disk yellow, pruinose ; thalline 
border crenulate. — Nyland. Enum. Lich. 115. 
Northern Island : on bark, Bay of Islands, J. I). H., Colenso. 
3. L. aurantiaca, Ach. ; — Bab. in FI. N. Z. ii. 292. Thallus granu- 
lated, pale lemon-coloured, often rugose. Apothecia sessile, rather convex, 
orange-yellow, with a yellow waved border. — Nyland. Lich. Scand. 142. 
Var. erythrella. Thallus rugose and rimose. Apothecia without a border. 
Va r. erythrella. Northern Island : on stones, Colenso. (Cosmopolite.) 
4. L. ferruginea, Nyland. Thallus spreading, thin, rugged, granular, 
greyish- white, sometimes evanescent. Apothecia rusty-orange or red-brown, 
at length convex, with a waved border of the same colour. — Nyland. Lich. 
Scand. 143. 
Middle Island : on trap rocks, Otago, Lindsay. 
5. L. vitellina, Ack. Thallus leprous, granulated, indeterminate, bright 
yellow-green, crenulate. Apothecia clustered, sessile, flat, tawny -yellow, 
at length convex and brownish ; border elevated, crenate. — Nyland. Lich. 
Scand. 141. 
Northern Island : on rails and other wood, Auckland, Knight. (Cosmopolite.) 
## Apothecia Hack brown or pale. 
6. L. sophod.es, Ach. Thallus orbicular, granulated, dull greenish 
ash-coloured; apothecia clustered, black-brown when moist, with an elevated 
entire border. — Nyland. Lich. Scand. 148. 
Var. exigua , Nvl. ; — Bab. in PI. N. Z. ii. 292. Thallus whiter. Apothecia with a 
thin, sometimes crenulate border. — L. exigua , Hook. 
Northern Island : Bay of Islands, on wood, /. I). II. (Cosmopolite.) 
7. L. cinerea, Sommer/. Thallus grey or ashy white, areolate, rugged 
and cracked, with a broad greenish undulate border. Apothecia immersed, 
black, flat, with an entire border. — Nyland. Lich. Scand. 153. Urceolaria, Ach. 
Middle Island -. trap rocks, Otago, Lindsay. 
8. L. parella, Ach. — Parmelia pallescens, Fries ; — Bab. in FI. N. Z. ii. 
292. Thallus dirty white, determinate, plaited and warted. Apothecia scat- 
tered, thick ; disk concave, of the same colour as the thallus, flat, often an- 
gular; border tumid, thick. — Nyland. Lich. Scand. 156. 
Common throughout the Northern and Middle Islands, on rocks, wood, the ground, 
etc., Lord Auckland’s group, J. D. LI. (Cosmopolite.) 
9. L. tartarea, Acli. Thallus crustaceous, thick, granular, tartareous, 
greyish -white. Apothecia scattered ; disk convex, at length plain or tumid, 
yellow-brown or flesh-coloured ; border thick, indexed, at length wavy ; 
spores ellipsoid or subgranular. — Nyland. Lich. Scand. 157. Porina granu- 
lata, Tayl. in FI. Antarct. 
Probably common throughout the islands, Lord Auckland’s group, J. D. II. (Cos- 
mopolite.) Scarcely to be distinguished from L. parella, but by the thicker thallus and 
larger browner apothecia ( Nyl .). 
