The yellow one is from the Boletaceae family, and should be a kind of sticky capped boletus, more like the sour sticky capped boletus, and should be edible. I have given you the information, please check it carefully. The second possibility is a young puffball, and it is best to give a cross-section comparison. The puffball handle is tough, the upper part of the cover is soft, and there is no gill structure. The mushroom has a strong smell, no peculiar smell, and is edible.

(gyro-shaped puffball)

Suillus acidus (Peck) Sing.:

Fruit bodies are small to medium. The cap is 3.5-10cm in diameter, hemispherical to oblate hemispherical, with a layer of mucus, smooth, white at first, quickly turning yellow to straw yellow, and light pinkish brown when old. The flesh of the fungus is light yellow-white and has a sour taste. The bacterial tube layer is lemon yellow to ocher yellow, and the bacterial tubes are yellow and small. The stipe is 4-10cm long, 0.5-1cm thick, nearly cylindrical, solid inside, almost white at first, then pinkish-brown or brown, with glandular spots. There is a ring of bacteria on the upper part of the stalk. The spore prints are brownish-green.

Grows in groups in pine, fir and other forest lands in summer and autumn.

Distributed in Sichuan, Liaoning, Tibet, etc.