a slender erect herb, 1 1/4–1 1/2 ft. high; leaves in a fascicle of about 4, developed at flowering time, linear-ensiform, acuminate, rigid, many-nerved, 10–13 in. long, 1/8– 1/4 in. broad; scape 1 1/4–1 1/2 ft. high, straight or somewhat flexuous, with about 4 acute or acuminate sheaths below; racemes somewhat lax and one-sided, 12–20-flowered; bracts ovate, acuminate, the lower 1/3 in. long; sepals spreading, equal, shortly acute, about 1/3 in. long, glaucous green or somewhat livid; petals deflexed above the lip, oblong, apiculate, as long as the sepals and nearly twice as broad, pale lilac with purple apical margin; lip porrect, cuneate, 3-lobed, as long as the petals, pale lilac with purple margin; side lobes short; front lobe quadrate, slightly retuse or nearly truncate; disc with a cluster of acuminate setiform papillæ below the apex, and three rows of shorter papillæ below; spur ovate, 1/12 in. long; column oblong, subtetragonal, without foot. null
