Psoroma . ] 
VII. LICHENES. 
575 
inciso- multifid, flattish, scaly, granular and crenulate at the edges ; beneath 
brown, adhering by the whole surface by means of short matted fibrils. 
Apothecia crowded ; thalline border crenulately striate. Parmelia sphinc- 
trina, Mont. Voy. au Pole Sud, t. 15. f. 3. 
Common throughout the Northern and Middle Islands, on rocks, wood, and the 
ground, and in Lord Auckland’s group. (Chili, Australia.) — I can hardly distinguish 
this from Pannaria rubiginosa. 
4. P. xanthomelanum, Nyland. in Herb. Hook., and in Hist. Psorom. 
and Parmel., without description. 
In various parts of New Zealand, Lindsay and Colenso. 
P. euphyllum, Nyland. Dist. Psorom. and Parm. I find no published description of this, 
which is stated to be remarkable for its laciniate thallus. 
22. PANNARIA, Delise. 
Thallus laciniate and radiate, or granular and scaly, cellular; granules 
without a cellular coat. Apothecia with or without a border ; spores 8, al- 
most always simple. Spermagonia with arthrostigmata. 
A genus of temperate and cold regions. 
1. P. Gayana, Nyland. — Parmelia , Mont. ; — Bab. in FI. N. Z. ii. 288. 
Thallus foliaceous, membranous, leaden-ashy, laciniate at the circumference ; 
lacunae broad, rounded, subentire, concentrically furrowed ; beneath blueish- 
white, tomentose. Apothecia scattered and crowded, reddish, with a single 
or double border, one thalline, the other of the substance of the disk. — Par- 
melia, Montagne in Ann. Sc. Nat. ser. 3. ii. 58. 
Northern Island, Colenso. (Chili.) 
2. P. rubiginosa, Delise; — Bab. in PL N. Z. ii. 289. Thallus or- 
bicular, livid-red, cut towards the circumference into broad notched imbricate 
lobes ; beneath blue-back, spongy with fibres. Apothecia rusty-red, nearly 
flat, with a thick inflexed crenated border. — Nyland. Lich. Scand. 122. 
Parmelia Pemsjonensis, Fries ?; Bab. 1. c. 291. 
Var. conopsea. Thallus thinner, with scattered blue gonidia (P. conopsea, Bah. in FI. 
N. Z. ii. 290). 
Northern Island : probably common, on moss, bark, etc. Lord Auckland’s group : 
common. Apothecia blacker. (P. Mariana, Fries ?, Bab.) (Cosmopolite.) 
3. P. nigrocincta, Nyland. — Parmelia, Mont.; — Bab. in FI. N. Z. ii. 
290. Thallus of close-set membranous reddish scales radiating from a centre, 
rounded, incised ; beneath bluish-black. Apothecia red-brown, flat ; border 
pale, entire. — Parmelia, Mont, in Ann. Sc. Nat. ser. 2. iii. 91. 
Northern Island, Colenso. (Tropical America, Africa, Java, Juan Fernandez.) 
4. P. pholidota, Nyland. — Parmelia, Mont.; — Bab. in FI. N. Z. ii. 290. 
t. 128 A. Thallus suborbicular, 1-2 in. broad, of a dull leaden or blueish- 
green, imbricate, lobulate and crenulate scales, appressed ; beneath dull. 
Apothecia orange-red, scattered, with a thick inflexed crenulate border. — 
Parmelia, Mont, in Ann. Sc. Nat. ser. 2. iii. 91. 
Northern Island : on bark, Colenso. (Juan Fernandez, Chili, tropical S. America.) — 
Babiugtou finds this scarcely distinguishable from the P. Saubinelii of France, and the fol- 
lowing. 
