REVISION OF POLYSACCUM, 
29 
minutely echinulate, coffee-colour, 7-8 p. Krombh ., Heft. 8, p. 19 ; 
taf. lx., f. 8. Lycop. magnum , &c., Buxb ., Cent, i., p. 37, t. 58. 
Winter, Krypt. FI. (Pilze.), 891. 
Peridium at first covered with an exceedingly fine arachnoid 
web, then smooth, and, like the stem, dark umber, or the latter 
yellowish towards the base. From four to six inches long. At 
first buried in sand.- 
Europe, Lower Carolina, New Jersey, Australia. 
P. tuberosum, Fr. Syst. Myc ., in., p. 55. 
Peridium subglobose or deformed, with a very short stem-like 
base, even, smooth. Peridiola large, angular, 3-4 mm., yellow, 
becoming brown. Spores globose, warted, dark cinnamon, 9-12 p. 
Krombh ., Heft. 8, p. 20; t. lx., f. 10-12. Winter , Krypt. FI., 
p. 890. Lycoperdioides tuberosum, &c., Michel. Gen. PL, p. 219, 
t. 98, f. 2. ( Polysaccum conglomeratum , Fr. S. Myc. iii., p. 55. 
Lycoperdioides tuberosum , &c., Mich. Gen. PL, f. 3, is probably 
nothing more than a cgespitose form of this species.) Fxsicc., 
Thumen, Myc. 11. Thumen , Fungi Austr. 830. Lab. Fung. Fur. 
1073. 
Peridium ochraceous, becoming darker, often irregular and 
depressed, point of attachment basal or lateral. 
Europe ; Australia. 
P. marmoratum, Berk., Trans. Linn. Journ., xm.,p. 155. 
Peridium subglobose, tapering into a more or less elongated 
stem-like base, dirty ochre, marbled with darker patches. Peridiola 
small, angular, - about P5-2 mm. Spores spherical, rough, with 
very fine sinuous raised lines, brown, 7-8 p. Herb. Berk. No. 
4688. 
Peridium 1-2 in. across, stem varying from |-ll in. long. 
Australia. 
P. australe, Cooke in Herb. Kew. 
Peridium subglobose, slightly narrowed below into a short, 
thick, stem-like base, or pyriform, rugulose, olivaceous-umber, 
sprinkled with yellow pruina. Peridiola small, 2-3 mm., polygonal, 
dissepiments very thin. Spores spherical, smooth, bright ochra- 
ceous brown, 5-6 p. Herb. Kewensis. 
Peridium about 2 in. across ; stem ^ in. long. 1 in. thick. 
S.W. Australia. 
SPECIES EXCLUDED. 
P. herculeum, Fr. S.M., iii., p. 52. 
From the description given by Pallas in Buss. Reis . L, 132, p. 
553, is in all probability a species of Podaxon. 
P. subarrhizum, Fr. S. M., iii., 54. 
(= P. arrhizum, Rab.) appears to be a species of Scleroderma. 
