| Fig. | Page. | Fig. | Page. |
| 1. Armillaria mellea, | [55] | 3–4. Lentinus lepideus, | [230] |
| 2. Armillaria mellea var. exannulata, | [56] |
I.—Tricholomata. Gills sinuately adnexed, etc.
A. robus´ta A. and S.—robustus, robust, sturdy. Substance of entire plant compact. Pileus 2–3 in. across, varying in shades of gray and brown, scaly, fibrillose on margin, decreasing toward center or smooth, convex or top-shaped and margin involute at first, expanding. Flesh firm, very thick. Gills broad, emarginate, nearly free, crowded, whitish, up to ½ in. broad. Veil large, membranaceous, sometimes floccose, remaining adherent to the stem. Stem 1–2 in. long, obese, solid, tapering at the base, brownish-white and fibrillose below veil, white and flocculose above, flesh of stem continuous with that of the cap.
Stevenson gives var. minor with even cap with both gills and ring very narrow.
Spores ovoid-spherical. 7µ. Q.
Edible, Curtis; District Columbia, Mrs. M. Fuller.
In mixed woods. Pennsylvania, West Virginia, New Jersey, McIlvaine.
The substance of A. robusta differs from all other Armillaria in being very compact. It is not acrid but has a marked flavor. Cut into small pieces and well cooked it makes an acceptable dish. It is best in croquettes and patties, or served with meats.
A. viscid´ipes Pk.—viscidus, sticky; pes, a foot. Pileus fleshy, compact, convex or nearly plane, glabrous, whitish with a slight yellowish or reddish-yellow tint. Flesh white, odor peculiar, penetrating, sub-alkaline. Gills narrow, crowded, sinuate or subdecurrent, whitish. Stem equal, solid, viscid and slightly tinged with yellow below the narrow membranous ring, whitish above. Spores elliptical, 8×5µ.
Pileus 3–6 in. broad. Stem 3–4 in. long, 6–12 lines thick.