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Pliysanim gloTndifenmi, Rost,, Mon., p. 98; Saoc., Syll., vii.,
1, 11. 1173.
On moss, leaves, rotten wood, &o. Sweden; France ; Germany.
(Rostafinski’s Synonyms.)
Sphaeroearpus glohtdifer, Bull., Champ., p. 134, t. 484, f. 3
(1791).
Stemonitis glohidifera, Gmel., Syst. Nat., ii., p. 1467, n. 2
(1791).
Physarum globtdiferum, Pers., Syn., p. 175, t. 3, f. 11, 12
(1801).
Triehia glohidifera, D.C., FI. Fr., 2, p. 253 (1805).
Diderma glohuliferum, Fr., I.e., iii., p. 100 (1829).
B. Sporangia sessile, plasmodiocarp), or aethalioid.
* Epispore warted.
Physarum cinereum, Rost, (figs, 71—78).
Sporangia sessile on a hroad hose, sometimes globose, scattered
or crowded, at others elongated, flexuous and depressed, wall
rigid with lime, white ; columella absent; capillitium abundant
with numerous large, irregular hnots of lime connected hy very
thin threads; spores globose, dingy violet, minutely warted,
10—13 g diameter.
Physanim cinereum, Rost., Mon., p. 102, figs. 71, 72, 85;
Cooke, Myx. Brit., p. 13, figs. 71, 72, 85; Saoc., Syll., n. 1189 ;
Schroeter, p. 128; Raunk., Myx. Dan., p. 75, t, 4, f. 9.
Exsicc.—Ellis and Everhart, N. Amer. Fung., ser. II., n.
2085; Rav,, Fung. Car., 79 and 83.
Fung. Cub. Wrightiani, 535; De Thum., Myo. Univ., 1508;
Holl, Schmidt and Kunze, Deutsch. Schw., 38; Roum., Fung.
Gall, 1881.
On leaves, wood, twigs, &o. Britain (King’s Cliffe, Bury St.
Edmund’s, Bungay, Kew, Hitcbin, Carlisle, Scarboro’, Berwick,
N. Wales, Linlithgow); Germany; Finland; Sweden; Belgium;
France; Switzerland; Algiers; S. Africa; United States;
Ceylon; Australia; India.
Varying from '5—2-3 mm. wben elongated; some forms of
the present species resemble externally Didymium serpula, Fr.,
but are readily distinguished under the microscope.
Var. ovoideum, Saco. Sporangia vertically ovoid, densely
gregarious.
Physarum cinereum, var. ovoideum, Saoc., Mich., ii., p. 334.
Britain (Lyndhurst, New Forest); France.
(Rostafinski’s Synonj-ms.)
Mucilago crustaeea, Mich., Gen., t. 96, f. 9 (1729).
Lycoperdon cinereum, Batsch, fig. 169 (1783).
Lycoperdon alni, Bjer., in Vet. Handl, p. 39 (1789).
Trichia caerulea, Trent., p. 229 (1797).
Physarum cinereum, Pers., Syn., p. 170 (1801); Nees, f. 107;
Letell, t. 710, f. 2.
Physarum violaceum. Sebum., Saell, 1428 (1803); E l Dan.,
t. 1980, f. 2.
Physarum corrugatum. Link, Herb.
Physarum eoelatum, Ehr., Herb.
Physarum conglobatum, Fr. Gast., p. 21 (1818); Letell,
t. 710, f. 3.
Didymium cinereum, Fr., S. M., iii., 126 (1829); Eng. FI,
V., p. 314; Cke., Hdbk., 1133.
Physarum plumbeum, Fr., S. M., iii., 142 (1829).
Physarum Weinmanni, Fr., var. in litt.
Didymium melanopus, Wallr., n. 2193 (1833).
Physarum sinuosum, Wallr.
Didymium scrobieulatum. Berk., Hook. Journ. (1845), p. 66.
Physarum album, Fuckel F. Rhen., 1469 (1865).
Var. flexuosum, sessile on a broad base, depressed, spherical
in outline, or elongated and variously curved, wall at first white,
becoming grey when tbe outer chalky layer has broken away
iu flakes; columella absent; capillitium dense, threads tbin,
2 g diameter, colourless, flexuous or spirally coiled, furnished