Cyathus striatus Striate Bird's NestFruitbodies are up to 1 cm tall by 4-6 mm wide. The 'nest' is cone-shaped, and the outside is covered with dark-brown, shaggy hairs. The inside is shining and streaked or furrowed, and grey to lead-grey. It fruits on sticks or plant debris. This species is sometimes called 'Fluted Bird's Nest'.