This section is from the book "British Wild Flowers - In Their Natural Haunts Vol5-6", by A. R. Horwood. Also available from Amazon: A British Wild Flowers In Their Natural Haunts.
The habitat of this species is mountain bogs and rills. The Scottish Asphodel has the grass habit. The rootstock is short and creeping. The stem is slender. The leaves are radical, linear, sword-shaped, in 2 rows, tufted. The flowers are pale-green in a short, dense raceme or spike, stalkless at first, then stalked, the scape naked, or 1-2 leaved, slender. The ultimate flower-stalks are short, with membranous, 3-lobed bracteoles at the base. The perianth-segments are linear to oblong, blunt. The capsule is more or less round. The plant is 4-8 in. high, flowering in July and August, and is a herbaceous perennial.