This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol1", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Perennial herbs, with short erect or horizontal rootstocks, fibrous roots, slender erect stems leafless above or nearly so, linear somewhat 2-ranked and equitant leaves clustered at the base, and small perfect white or green flowers in a terminal raceme. Pedicels bracted at the base, solitary or clustered. Flowers usually involucrate by 3 scarious somewhat united bractlets below the calyx. Perianth-segments oblong or obovate, subequal, persistent, gland-less. Stamens 6; filaments filiform; anthers ovate, sometimes cordate, introrse. Ovary sessile,. 3-lobed at the summit; styles 3, short, recurved. Capsule 3-lobed, 3-beaked, septicidally dehiscent to the base, many-seeded. Seeds unappendaged. [Dedicated to Tofield, an English correspondent of Hudson.]
About 12 species, natives of the north temperate zone, 1 or 2 in the Andes of South America. Besides the following another occurs in the southeastern States and two in northwestern America. Type species: Tofieldia palustris Huds.
Tofieldia palustris Huds. Fl. Angl. Ed. 2, 157. 1778.
Glabrous, stem slender, scape-like, leafless or bearing a few leaves near the base, 2'-10' tall. Leaves tufted, 1/2-4 long, ¥'-2" wide; raceme oblong or sub-globose in flower, dense, elongating to an inch or less in fruit, the lower flowers first expanding; pedicels usually solitary, minutely involucrate, 1/2"-1" long in fruit; flowers greenish white, 1" broad; perianth-segments obovate, obtuse, much shorter than the oblong-globose minutely beaked capsule; seeds oblong, unappendaged.
Greenland and Labrador to Alaska, south to Quebec, the shores of Lake Superior, and the Canadian Rocky Mountains. Also in Europe and Asia. Lamb-lily. Summer.