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(Rostafinski’s Synonyms.) ^
Triehea aurea, Schum., FI. Saell, 1461 (1803).
Graterium mutahile, Fr., I.e., iii., p. 154, non S. Gast. (1829).
Cupularia mutabilis. Rah., FI. Germ., Cr., n. 2225 (1844).
Physarum Durieui, M., Herb.
Craterium rubiginosum, Mass. (figs. 309, 310).
Sporangia globose, broadly elliptical, or obovate, stipitate,
dehiscing in a more or less regular circumscissile manner, lower
portion of sporangium permanent, reddish-brown, often with a
purple tinge, lid or apical portion paler, sometimes whitish;
stem about equal in length to sporangium, stout, dark red-
brown, passing downwards into a spreading hypothallus;
capillitmm dense, white, threads aggregated in the centre to form
a darh-coloured columella; spores dingy violet, globose, minutely
warted, warts sometimes more or less arranged in lines, 10—13 g
diameter.
Badhamia ruhiginosa, Rost., Mon. App., p. 29; Sacc., Syll.,
vii., n. 1158.
Scyphium rubiginosum, Rost., Mon., p. 148, fig. 115 ; Cke.,
Myx. Brit., p. 29, fig. 115.
Exsicc.—Ellis, N. Amer. Fung., 1215.
On wood. Britain (Appin, N. B.); Germany; France; United
States.
Gregarious, 2'5—^3 mm. high.
(Rostafinski’s Synonym.)
Physarum mhiginosum, Chev., FI. Par., 338 (1826); Eng, FI,
V., 315; Cke., Hdbk., n . 1137.
Craterium dictyospermum, Mass. (figs. 305, 306).
Sporangia globose or obovate, dehiscing in a circumscissile
manner or irregularly, lower portion'of sporangium permanent,
reddish-brown, becoming paler or whitish at the apex; stem
about equal in length to the sporangium, rather stout, dark
brown; capillitium dense, wliite, threads aggregated in tlie centre
to foi'm a brownish columella; spores violet witb usually a
brown tinge, globose, covered 'with irregular simple or branched
ridges, which here and there combine to form an imperfect network,
10—14 g diameter.
Badhamia dictyospora, Rost., Mon. App., p. 4; Cke., Myx.
Brit., p. 82.
On wood, moss, &c. Britain (Carlisle); United States.
Gregarious, 2—3 mm. high ; indistinguishable from C. ru-
higinosum, except by the nature of the markings on the epispore.
May possibly prove to be a form of the last-named species.
(Rostafinski’s Synonyms.)
Physarum canuin, Klotzsch., Hb. Hook.
Pliyscirum rubiginosum. Berk., Eng. FI., v., p. 315.
Craterium lilaoinum, Mass. (figs. 307, 308).
Sessile, aggregated, globose, smooth, reddish-lilac, capillitium
threads variable in diameter, clustered together in the centre and
forming an irregular columella ; spores purple, sometimes tinged
witb brown, globose, epispore furnished with short, irregular
ridges, which sometimes combine to form an irregular network,
12—16 g diameter.
Badhamia lilacina, Rost., Mon., p. 145, figs. 108, 109; Cke.,
Myx. Brit, p. 27, figs. 108, 109; Sacc., Syll., vii., n. 1156.
Exsiee.—Syd., Myc. March., 1297 (as Leoearpus vernicosus).
On rotten wood, bark, twigs, &c. Britain (Carlisle); Germany
; United States.
Usually crowded, sporangia seated on a broad base, wall
generally smooth, but sometimes rather rough. Tbe present
species may eventually prove to be a sessile form of C. dictyospermum.
(Rostafinski’s Synonym.)
Physarum lilacinum, Fr., I.e., iii., p. 141 (1829).