Stem 1—2 feet high, slender, and leafy. Leaves elliptic or lanceolate, 2—6 inches long, 1—2¼ inches wide, yellowish-green, veiny, scatteringly hairy. Flowers usually solitary, bright yellow; lip inflated, curved, an inch or more long, spotted and blotched inside with purple; sepals and petals longer than the lip, laterals twisted, 1½—2 inches long, lanceolate with an attenuate tip, yellowish-green or sometimes purplish. Not uncommon in the Rockies in moist ground, very abundant on the torrent fan among loose stones at the head of Emerald Lake; flowering in June. [Sidenote: =Corallorhiza Corallorhiza= (L.) Karst. _Early Coral-root._] Stem smooth, greenish-yellow or purplish; 4—12 inches high from a mass of coral-like roots. Leaves absent but represented by 2—5 closely sheathing scales. Flowers 3—12 in a head 1—3 inches long; sepals and petals slender, ¼ of an inch long, yellowish or dull purplish; lip not quite as long as the petals, white or whitish, oblong, nearly entire or slightly notched at the apex, 2-toothed at the base, occasionally with purple spots. [Illustration: Corallorhiza Corallorhiza (L.) Karst. (½ Nat.) Coral-Root.] [Illustration: Lyschiton kamtschatcense (L.) Schott. (¼ Nat.) Western Skunk-Cabbage.] Frequent in woods in the Rockies especially those of the “Jack Pine,” flowering in May and early June. [Sidenote: =Corallorhiza multiflora= Nutt. _Large Coral-root._] Stems 8—20 inches high, purplish, with several appressed scales. Flowers 10—30 in a head 2—8 inches long, brownish-purple ½—¾ of an inch long; sepals and petals linear-lanceolate, about ⅓ of an inch long; lip white, spotted and lined with purple, oval in outline, deeply 3-lobed, the middle lobe broadest; spur manifest and yellowish. Not infrequent in the rich woods in the Selkirks; flowering in late summer. [Sidenote: =Cytherea bulbosa= (L.) House. _Calypso._] Stem 3—6 inches high, purplish, from a bulb nearly half an inch in diameter. Leaf solitary, dark, lustrous green, 1—1½ inches long, round, ovate, obtusely pointed at the apex, rounded or somewhat heart-shaped at the base, deeply veined. Flower solitary, nodding, an inch long, rosy purple variegated with pink and yellow; petals and sepals linear, erect or spreading, half an inch or more long with longitudinal purple lines; lip ¾ of an inch long, sac-like and spreading, divided into two below, with a prominent patch of yellow hairs near the point of division. This charming little orchid, by far the most dainty of any found in the region, is frequent, growing in deep moss on the shaded slopes of the Rockies; very fragrant, flowering in early June. [Sidenote: =Orchis rotundifolia= Pursh. _Round-leaved Orchid._]