This section is from the book "British Wild Flowers In The Four Seasons", by Thomas Moore. Also available from Amazon: British Wild Flowers.
L. Flos-cuculi: leaves narrow, lance-shaped, the lower ones stalked; flowers pale red, the petals cut into four linear segments. - Ragged Robin. - Moist meadows. Fl. May, June.
L. diurna: leaves oval-oblong or ovate-lanceolate; flowers deep red, subdioecious, the petals half-cloven, with narrow divergent lobes. - Hedges. Fl. May, June.
 
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