PLATE X.
1. A. variabilis, nat. size, with section magnified.
2. A. campestris, dark var., two-thirds nat. size, with section nat.
size.
3. A. campestris, another variety, with section, nat. size.
4. A. arvensis, small specimen.
5. A. cretaceus, two-thirds nat. size, with section magnified. Variety
with the stem less decidedly sunk into the pileus.
6. A. squamosus, two-thirds nat. size, with section nat. size.
