SALAGINELLACEAE.
Selaginella rupestris (L.) Dry sands and sandstone rocks, La Salle and Ogle counties. “Dry rocks and barrens, Henderson county; Ogle. Bebb, Rare, or overlooked.” (P.)
Selaginella apus (L.) Low sandy, peaty, or springy ground, Kankakee, Cook, Lake and Will counties. Peoria, Brandel; Lawns in Joliet, Miss L. M. Hird. “Low sandy places,” says Patterson, as if throughout the state.