VII. LIOHENES. 
559 
5. SPHJ1EOPHOEON, Persoon. 
Thallus branched, tufted, shrubby, fragile, cylindric, compressed, flattened 
or more or less scale-like ; branchlets dilated at the tips. Apothecia near 
the tips of the frond, terminal or on the under surface, bursting irregularly, 
covered with a deciduous black layer of pigment ; spores black or dark violet, 
spherical. 
A genus of 4 species, found on rocks and old wood in temperate climates. 
1. S. compressum, Acli. ;—Bab. in FI. N. Z. ii. 304. t. 130. — S. am - 
trale , Laur. Thallus foliaceous, glaucous, blackish at the base, white below, 
much dilated above and palmately lobed ; edges erose. Apothecia very large, 
with a broad flat thalline border, which is lacerate and scrobiculate or crested. 
— Nyland. Synops. Lich. 170. 
Northern and Middle Islands: abundant on the ground and stumps of trees, and 
Lord Auckland’s and Campbell's Islands. (Australia, S. Africa, N. and S. America.) 
2. S. coralloides, Pers. ; — Bab. in FI. N. Z. ii. 307. Thallus terete, 
pale or white, sometimes lurid, branched. Apothecia small, on globose re- 
ceptacles, irregularly dehiscing above. — Nyland. Synops. Lich. 171. 
Northern and Middle Islands, Colensn, etc., on rocks, etc. Lord Auckland’s 
group, J. D. 11. (Temperate and cold regions of both hemispheres.) 
3. S. tenerum, Laur. ; — Bab.in Pl.N.Z. ii. 3 04 ; Fl.Antarct.t.Y^l.fA. 
Thallus terete, slender, excessively branched, pale or white ; branches dense, 
slender, intricate. Apothecia on the primary branches, small, the border de- 
ciduous, having a black capitulum girt by a circular rim. — Nyland. Synops. 
Lich. 171. S. curtum , Plook. f. and Tayl. in Lond. Journ. Bot. iii. 654. 
Abundant throughout the islands and in Lord Auckland’s group and Campbell’s 
Island. (Chili, Antarctic Islands.) 
6. BJEOMYCES, Persoon. 
Thallus horizontally expanded, crustaceous, scaly powdery or granular. 
Apothecia sessile or stipitate, pale pink or flesh-coloured or dirty-white, with- 
out a thalline border ; stipes consisting of longitudinal filaments ; spores 1-3- 
septate. Spermagonia furnished with arthrostigmata. 
A genus of some 17 species, found in various temperate climates on the ground, rotten 
wood, etc. 
1. B. rufus, DC. ; — Bab. in FI. N. Z. ii. 298. Thallus greenish whitish 
or glaucous, thin, effuse, granular ; granules sometimes depressed. Apothe- 
cia on long or short white stalks, flesh-coloured, convex ; spores simple, ellip- 
soid-oblong. — Nyland. Synops. Lich. 176. Biatora byssoides, Fries; Bab. 
l.c. 299. 
Northern Island: common on banks, etc., J. D. A., etc. (Europe, America, Aus- 
tralia.) 
2. B. roseus, Persoon ; — Bab. in FI. N. Z. ii. 298. Thallus white, gra- 
nular, crustaceous. Apothecia pale, flesh-coloured or rosy, subglobose ; stipes 
whitish ; spores fusiform or oblong-fusiform, simple.— N viand. Synops. Lich. 
179. 
Northern Island, Colenso. (Europe, America.) 
