444 ORCHIDACF^E. (ORCHIS FAMILY.) 



producing 2 oblong-obovate shining leaves (3- -5' long) and a few-flowered 

 4-angled scape (4' -7' high); bracts leaf-like, lanceolate ; sepals and petals all 

 vaulted, pink-purple, the ovate undivided lip white. On hills in rich woods, 

 New England to Kentucky and (especially) northward. May. 



2. GYM1VADENIA, R. Brown. NAKED-GLAND ORCHIS. 



Flower as in Orchis. Anther-cells parallel ; the approximate glands naked 

 (whence the name, from yvfj.vos, naked, and a8f)v, gland). 



1. G. trideiltata, Lindl. Stem slender (6' -12' high), with a single 

 oblong or oblanceolate obtuse leaf below, and 2 or 3 small ones like bracts 

 above ; spike 6 - 12-flowered, oblong ; lip wedge-oblong, truncate and with 3 short teeth 

 at the apex ; the slender and slightly club-shaped spur curved upwards, longer 

 than the ovary. Wet woods ; rather common, especially northwards. July. 

 Root of few fleshy fibres. Flowers small, pale yellowish-green. 



2. O. flava, Lindl. Stem several-leaved (15' high), the 1 or 2 lower 

 leaves elongated, oblong-lanceolate, acute; the others becoming smaller and 

 bract-like ; spike densely many-flowered, oblong-cylindrical ; Up ovate, a little crenate 

 or wavy -margined, shorter than the awl-shaped depending spur. Wet pine bar- 

 rens of New Jersey, Virginia, and southward. July. Root of very fleshy 

 fibres, one or two of them tuber-like. Flowers orange-yellow, closely set. (Or- 

 chis flava & Integra, Nutt. Habenaria Elliottii, Beck.) 



3. PL.ATANTHERA, Richard. FALSE ORCHIS. 



Flower as in Orchis, &c. (lateral sepals spreading, except in No. 5) ; but the 

 anther-cells diverging below, and the 2 naked glands widely separated (whence 

 the name, from irXarvs, wide, and dvdnpd, for anther). 



1. Scape 1-leaved at the base : spur not exceeding the lip : root of thick flbres. 



1. P. Obtusata, Lindl. (DWARF ORCHIS.) Leaf oborate, obtuse; 

 spike loosely 5-10-flowered; upper sepal broad and rounded; petals bluntly 

 triangular ; lip linear, entire, bearing 2 small tubercles at the base, about the length 

 of the curving spur. Cold peat-bogs and high mountains, Maine to N. New 

 York and L. Superior. June. Scape 5' - 8' high. Flowers |' long. (Eu.) 



9. P. rotundifolia, Lindl. (SMALL ROUND-LEAVED ORCHIS.) Leaf 

 round-ovate or orbicular (2' -3' wide) ; spike several-flowered; lip 3-lobed, larger 

 than the ovate petals and sepals, the middle lobe larger and inversely heart- 

 shaped. Along the boundary between Maine and New Brunswick (Mr. Good- 

 rich), and northward. Scape 8' high. Leaf, and sometimes the white flowers, 

 spotted with purple : lip ' long. 



2. Scape 2-Ieaved at the base: spur very long: lip entire: roots thickened. 



3. P. orbiculata, Lindl. (LARGE ROUND-LEAVED ORCHIS.) Leave* 

 very large (4' -8' wide), orbicular, spreading flat on the ground; scape bracted, 

 bearing many spreading greenish-white flowers in a loose raceme ; upper sepal or- 

 bicular, the lateral ovate ; lip narrowly linear-spatulate, drooping, nearly thrice 

 *)ie length of the ovate reflexed petals ; spur curved, slender (l|'- 2 long), grad- 



