L. foetidum Bonorden
is similar to L. perlatum, but the spines are umber or vandyke-brown; it also grows both in woods and upland pastures, particularly the latter.
Illustrations: L. pyriforme—Hvass 316; LH 219; NB 1553; WD 1093. L. perlatum—Hvass 315; LH 217; NB 1552; WD 1102.
Plate 62. Puff-balls
![[Larger illustration]](#467779198995390083_illo189lg.png.id-2646985067255453657.wrap-0.html.html){kind=link}
Langermannia gigantea (Persoon) Rostkovius Giant puff-ball
Fruit-body: diameter 300-450 mm (-1,050 mm).
Description:
Fruit-body: round or slightly flattened on the top, smooth or cracked into small scales, white but becoming flushed yellowish with age and finally olive-brown when old, frequently the outer layer dries and breaks away to expose the powdery spore-mass within.