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..
Scapose herbs, from a corm, produced from the one of the previous season by an offset, sometimes with coralloid fibres, the scape clothed with several sheathing scales. Leaf solitary, basal; developed in autumn or late summer, broad, petioled. Flowers in terminal racemes, the pedicels subtended by small bracts. Petals and sepals similar, narrow. Lip clawed, somewhat 3-ridged; spur none. Column free, the anther borne a little below its summit. Pollinia 4, lens-shaped, oblique. [Greek, meaning without a spur.]
A monotypic North American genus.

Fig. 1412
Arethusa spicata Walt. Fl. Car. 222. 1788. Cymbidium hyemale Muhl.; Willd. Sp. PI. 4: 107.
1805. Aplectrum hyemale Torr. Compend. 322. 1826. Aplectrum spicatum B.S.P. Prel. Cat. N. Y. 51. 1888.
Not Arethusa spicata Walt. A. Shortii Rydb. in Britton, Man. 305. 1901.
Scape glabrous, 1°-2° high, bearing about 3 scales. Leaf arising from the conn, at the side of the scape, elliptic or ovate, 4'-6' long, 1/2'-3' Wide, usually lasting over winter; raceme 2'-4' long, loosely several-flowered; flowers dull yellowish brown mixed with purple, about 1' long, short-pedicelled; sepals and petals linear-lanceolate, about 1/2' long; lip shorter than the petals, obtuse, somewhat 3-lobed and undulate; column slightly curved, shorter than the lip; capsule oblong-ovoid, angled, about 10" long.
In woods and swamps, Ontario to Saskatchewan and Oregon, south to Georgia, Missouri and California. Several old corms usually remain attached to the latest one. May-June.
 
Continue to: