This section is from the book "How To Know The Wild Flowers", by Frances Theodora (William Starr Dana). Also available from Amazon: How To Know The Wild Flowers.
Leaves. - Oval or oblong; the upper, few, passing into lance-shaped bracts. Flowers. - Purple, rather large; with a fan-shaped, three-parted lip, its divisions fringed; with a long curving spur; growing in a spike.
 
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