140 
eordata, 
ophioglossoi- 
des. 
werticillata. 
GYNANDRIA, MONOGYNIA. 
1. L. stem 2-leaved; leaves opposite, cordate- 
subrotund, acute; spike small-fiowered ; lip ob- 
long, dilated at the top, obtuse, 2-lobed; ger- 
men sub-globose; root fibrous.— Willd, 
Epipactis convallarioides, Pursh. 
Ophrys cordata, Mich. 
Freart-leaved Listeria. 
A small plant, not exceeding six inches in height. Flowers 
brown, mixed with green. Very rare in this neighbourhood. 
In the dark swampy wood bordering a road leading from 
Kaighn’s point to the Woodbury-road; scarce. Perennial. 
May. 
ee - 
+++} Anther terminal, inserted, persistent. Pollen 
farinaceous or angular. R. Brown. 
536. POGONIA. Juss. R. Brown. (Orchidee.) 
ARETHUSA, L. 
Petals 5, distinct, without glands. Lip ses- 
sile, cucullate, internally crested. Pollen 
farinaceous.—WVutt. 
1. P. root fibrous; scape distantly 2-leaved; leaves 
oval, lanceolate; lip fimbriated.—Willd. and 
Pursh. 
Icon. Lam. Illustr. t. 729. f. 2. 
A very elegant plant, about eight or ten inches high, bear- 
ing a single leaf, and a single terminal rose-coloured flower. 
In wet meadows, in bogs and morasses; common. Perennial. 
June, July. 
2. P. leaves in five’s, oblong-lanceolate, verticil- 
late; stem one-fiowered, the three exterior pe- 
tals very long, linear, the interior ones lanceo- 
late; lip three-lobed, the middle segment un- 
dulated.— Willd. 
Icon. Pluk. mant. t. 34. f. 1. 

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