476 
ORCHIDACEJE. (ORCHIS FAMILY.) 
erf, those of the stem similar but smaller, passing into bracts; spike 
dense, minutely pubescent; bracts ovate-lanceolate, pointed, as long 
as the flowers ; lip oblong, furnished with 2 minute callosities at the 
base, constricted above the middle, rounded at the summit, wavy- 
crisped. — Wet grassy places, common. Aug.-Oct. — Stem 8'-2° 
high ; the root leaves 4'- 12' long. Spike thick, 3'-5' long, seldom 
twisted. Flowers white or cream-color, fragrant; the perianth about 
5' long. 
14* OOODYijRA, R. Brown. Rattlesnake Plantain. 
Lateral sepals not oblique at the base. Lip saccate at the base, 
sessile, without callosities, contracted at the apex into a pointed 
and channelled recurved termination. Column small, straight. 
Pollen-masses 2, consisting of angular grains loosely cohering by 
a manifest web. Otherwise nearly as in Spiranthes. — Root of 
thick fibres from a fleshy somewhat creeping rootstock, bearing a 
tuft of thickish petioled leaves next the ground. Scape and spike 
with the greenish-white small flowers usually glandular-downy. 
(Dedicated to John Goodyer , an early English botanist.) 
1. O. repens, R. Brown. Small (5'-8' high) and slender ; 
leaves ovate, more or less reticulated with white ; jlowers several , in 
a loose }-sided spike; lip inflated, the apex oblong and obtuse; stigma 
distinctly 2-toothed.—Rich woods, under evergreens, common north¬ 
ward and on mountains. Aug. — Leaves V long. — Intermediate 
forms occur between this and the succeeding. 
2- O. pubescens, R. Brown. Leaves ovate, conspicuously 
reticulated and blotched with white ; floicers numerous in a crowded 
spike, not 1 -sided; lip inflated with an abrupt ovate apex; stigma 
rounded at the summit.—Rich woods, common southward. July, 
Aug. — Leaves 2' long. Scape 8' - 12' high. 
15. LISTERA, R. Brown. Twayblade. 
Sepals and petals nearly alike, spreading or reflexed. Lip 
mostly drooping, longer than the sepals, 2-lobed or 2-cleft. Col¬ 
umn wingless: stigma with a rounded beak. Anther dorsal, 
ovate : pollen powdery, in 2 masses, joined to a minute gland. — 
Roots fibrous. Stem bearing a pair of opposite sessile leaves in 
the middle, and a spike or raceme of greenish or brownish-purple 
small flowers. (Dedicated to Martin Lister , an early and cele¬ 
brated British naturalist.) 
* Column very short (sepals ovate , rejlexed). 
