PHYSMA | COLLEMACE 47 
1. Ph. polyanthes Arn. in Verh. K. K. Zool. Bot. Ges. Wien 
xxix. p. 352 (1879).—Thallus olive-green or blackish, imbricate- 
lobed or irregularly crustaceous, the lobes crowded, folded and 
crisp. Apothecia minute, numerous, crowded on the thallus 
lobes, somewhat concave, reddish, the thalline margin tumid ; 
asci cylindrical ; spores globose or subglobose, 9-12 p in diameter 
or 11-12 » long, 9-10 » thick ; hymenial gelatine wine-red with 
iodine.—Lichen polyanthes Bernh. in Schrad. Samml. Crypt. Gen. 
n. 138 (1797) & in Schrad. Journ. Bot. i. p. 12, t.1, fig. 4 (1799). 
L. myriococeus Ach. Lich. Suec. Prodr. p. 127 (1798). Collema 
myriococcum Ach. Lich. Univ. p. 638 (1810); Cromb. in Journ. 
Bot. xii. p. 147 (1874) & Monogr. i. p. 40; Leight. Lich. FI. 
ed. 3, p. 16. 
Exsicc. Cromb. n. 3. 
The thallus when dry is very dark-coloured and is densely sprinkled 
over by the small apothecia which also are rather dark-coloured. 
Hab, Among mosses on old walls, in shady places in inland 
districts.— Distr. Plentiful where it occurs in W. England, S. Wales 
and N.E. Ireland, probably overlooked elsewhere.—-B. M. Near 
Cirencester, Stroud and Ablington, Gloucestershire ; Pembrokeshire ; 
near Belfast, Antrim. 
2. Ph. chalazanum Arn. in Verh. K. K. Zool. Bot. Ges. 
Wien xxiii. p. 524 (1873).—Thallus spreading, continuous, rather 
thin, appressed on the substratum, irregularly turgid, plicate and 
tuberculose. _Apothecia small, numerous, the disc reddish, the 
margin somewhat tumid ; spores ellipsoid, 20-24 w long, 8-13 p» 
thick, or rather longer, or sometimes smaller ; hymenial gelatine 
wine-red with iodine.—Collema chalazanum Ach. Lich. Univ. 
p. 630 (1810); Nyl. Syn. Lich. i. p. 104 (1858); Carroll in 
Journ. Bot. iv. p. 22 (1866); Cromb. Lich. Brit. p. 4 & Monogr. 
i. p. 39; Leight. Lich. Fl. p. 17; ed. 3, p. 16. C. maritimum 
Tayl. in Lond. Journ. Bot. vi. p. 194 (1847) ? 
Soft and gelatinous when moist, almost resembling Nostoc. When 
dry the apothecia are inconspicuous, being almost immersed in 
thalline tubercles. The spermogones are not infrequent, with minute 
oblong spermatia. 
Hab. Among mosses on the ground.— Distr. Rarein 8.W. England, 
N. Wales, S.W. Highlands of Scotland and in 8.W. Ireland.—B. M. 
Lipson Road, near Plymouth and Laura Bridge, Devon; Cheddar 
Clifis, Somerset; near Kendal, Westmoreland ; Lamplugh, Cumber- 
land; Appin, Argyle; Dunkerron, Kerry. 
3. Ph.chalazanodes A. L.Sm.—Thallus dark-green or blackish, 
spreading, continuous, thin, wrinkled and partly lobed or laciniate. 
Apothecia small, numerous, the disc reddish, the margin tumid ; 
asci clavate ; spores ellipsoid or subglobose, small, 12-17 » long, 
5 » and upwards, thick ; hymenial gelatine wine-red with iodine. 
—Collema chalazanodes Nyl. in Flora lii. p. 293 (1869) ; Cromb. 
