Epilobium nerterioides, A. Cunn.

27. E. nerterioides A. Cunn. , Ann. Nat. Hist. 3: 32 (1839).

Stems procumbent, matted, rooting at the nodes. Leaves 3-5-10 x 3-6 mm, mostly opposite, broadly ovate, weakly toothed, shortly petiolate. Pedicels 2-5-7-5 cm, erect. Petals 2-5-4 mm, white. Seeds c. 0-7 mm, papillose. 2n = 36. Cultivated in rock-gardens and now widely naturalized in damp, stony places in Britain and Ireland. [Br Hb.] {New Zealand.)

E. inornatum Melville , Kew Bull. 14: 298 (1960), with smooth seeds and more nearly elliptical leaves, is well naturalized in a number of parks and gardens in the Netherlands and Denmark and has been reported as a casual in Ireland. E. pedunculare A. Cunn. , Ann. Nat. Hist. 3: 31 (1839) { E. linnaeoides Hooker fil. ), readily distinguishable by its acutely dentate leaves, is well established in two localities in W. Ireland. Both are natives of New Zealand with the same habit as 27 and like it are cultivated as rock-garden plants.