268 NOTES ON MYCETOZOA. 
occasionally short and spine-like. Se yellow, very minutely 
warted, spherical or subelliptical, 13-15 1, 312, fig. 2. 
pecim o. 132 * See — collection, from Weybridge, 
Dee. 1859, under the na H. par a Mass., only differs from 
the above in the colour ieiny dull oS yellow, in having less 
frequent vesicular swellings in the capillitium, and in the spores 
measuring 11-12 p, =o more with the description given 
by Schroeter, — avs —— 50, p. 115. 
Hemiarcyr rta, y 80. Plasmodium ?, in rotten wood. 
Total height 1- th mm. Sporangia (x 40) turbinate, yellow or olive- 
agg ne 0°3-0-7 m om Brent aggregate or scattered, stipi- 
te. 
longitudinal strie sometimes present between the spirals. Spores 
| we Pl, 812, fig. 
n considerable abundance on deca ayed elm-log. Hitchin, 
March, 1889, and Jan. 1890; gathered also by A. Camm near 
Birmingham, Oct. 1889. 
The Sena of the capillitium vary in the distinctness of the 
spirals, and in the spinulose character in different t sporangia ; they 
are very elastic, and may be drawn out three or four inches without 
a branch, recoiling to a closely tiated tangle. The cavity of the 
sporangium is separated from the golid stalk by a cup-shaped 
membranous layer of the inner — 
Leytonstone, July, 1891. 
EXPLANATION oF Prates. 
c. capillitium ; k. lime-knots = vesicular expansions of the capillitium filled 
with granules of calcium carbonate; s. Sporangium ; sp. spores ; ll of 
sporangium. 
a ea Physarum psittacinum Ditm. 2. P. calidris, n.sp. 3. P. 
Pea “ico Pi cesta conglomeratum (Fr.) Rost. 2. P. Diderma Rost. 
. — “se, nr dubium Rost. 2. Lamproderma echinulatum Berk. 
rs Seas — = — Rozeana Rost. 2. Cornuvia depressa, n.sp. 3. 
Soa aes Arcyria Oerstedtii Rost. 2, Hemiarcyria Karstenii Rost. 
whem ne ee 
