This section is from the book "Wild Flowers Of The North American Mountains", by Julia W. Henshaw. Also available from Amazon: Wild Flowers of the North American Mountains.
Bulb: oblong-ovoid, coated. Stems: slender, erect, glabrous. Leaves: few, linear, lanceolate, acuminate. Flowers: raceme simple, flowers campanulate, nodding, segments of the perianth brownish-green; bracts somewhat scarious; pedicels slender, spreading, longer than the bracts. Fruit: seeds linear, flat, winged.
This plant grows only in shady places and is tall, with many brownish-green bells nodding on its slender stalks. It has very narrow ribbon-like leaves growing from the base and also up the stems.
 
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