Figure 40.—Armillaria mellea. Two-thirds natural size, showing double ring present.
Armillaria bulbigera. A. & S.
Marginate-bulbed Armillaria.
Figure 41.—Armillaria bulbigera. Reddish-gray caps and short bulbous stems.
Bulbigera is from bulbus, a bulb, and gero, to bear.
The pileus is fleshy, three to four inches across, convex, then expanded, obtuse, even, brownish, gray, sometimes reddish, dry, fibrillose near the margin.
The gills are notched at the stem, pallid, crowded at first, at length rather distant, becoming slightly colored.