Sagina L.

Leaves subulate. Capsule with 4 valves Sagina
Perennial herb with fibrous roots. Stems numerous up to c. 5 cm high, often rooting at the nodes, forming a mat; some stems without flowers at flowering stage. Flowers solitary, terminal; pedicels curved after flowering. Leaves 10–15 mm long, shortly awned. Widespread. Weed in gardens and pastures. Introd. from Europe. Fl. spring–summer. Procumbent Pearlwort Sagina procumbens
Annual with slender taproot. Stems erect or ascending, up to 10 cm high, not rooting at the nodes; all stems with flowers at flowering stage.