PHYSARUM.] 
PHYSARACEiE. 
63 
binato-ovate, with yellow scales. Capillitium yellow. Spores 
blackish-brown. 
Hah. On leaves and stalks of rhododendron.— Bethlehem, N. 
America. 
This description would apply to P. virescens Ditm. 
38. P. Schroeteri Rost., Mon., p. 419. Sporangia stipitate, 
hemispherical, flattened, greenish-grey. Stalk thick, conical, dull 
yellow or golden, shining, continued into a distinct obtuse conical 
columella. Capillitium of delicate threads, forming a dense net- 
work provided with lime-knots. Spores violet, delicately spinulose, 
10 to 11 /JL diam. 
IJab. Otterdorf, near Rastatt ; Dr. Schroeter. 
This description points to a form of P. citrinum. 
39. P. Famintzini Rost., Mon., p. 107. Sporangia sessile, minute, 
crowded, sometimes confl.uent, dull chestnut, irregularly hemi- 
spherical, dehiscing at the apex. Columella none. Capillitium 
elastic, elongated after dehiscence ; the greater part of the knots 
not developed, a few containing milky yellow lime-granules. 
Spores pale violet, smooth, 10 /x diam. 
Hab. On twigs in Poland. 
40. P. capense Rost., Mon., p. 113, fig. 92. Sporangia irre- 
gularly hemispherical or turbinate, sessile, simple, or more often 
collected in small clusters on a copious hypothallus, greyish-white, 
wrinkled. Columella none. Capillitium abundant, with few 
more or less rectangular lime-knots with very long connecting 
hyaline threads. Spores pale violet, smooth, 11 to 14 /jl diam. 
Hab. On branches. — Cape of Good Hope. Specimen in the Leipsic 
Museum. 
The figure and description apply to a form of P. cinereum. 
41. P. Braunianum de Bary, in Rost., Mon., p. 105. Plas- 
modium yellow ; sporangia irregularly globose, small, sessile, 
simple, or collected in little heaps, brown, 6'5 mm. diam., dull 
or shining above; sporangium-wall yellowish brown above, dull 
brown towards the base. Columella none. Capillitium well 
developed, with small rounded-angular brown lime-knots weakly 
developed. Spores violet, smooth, 10-7 )u, diam. 
Hab. Grundewald, near Berlin. — A. Braun. 
The nearest allies of this species seem to be P. murinuvi and P. 
virescens var. ohsmrum. 
42. P. ornatuin Peck, in Rep. N. York Mus., xxxi, p. 40. 
Sporangia depressed or hemispherical, plane or slightly concave 
beneath, greenish-cinereous, dotted with small yellow granules, 
the empty walls whitish. Stem short, black or blackish-brown, 
generally longitudinally wrinkled when dry. Columella none. 
Capillitium with numerous yellow knot- like thickenings. Spores 
globose, smooth, violet-brown in the mass, about 10 to 11 u, diam. 
Hah. Decaying wood. — Albany, U.S.A. 
This description applies to the pale form of P. viride Pers. 
