70 
POGONIA opuiocLossomEs. 
Adder’ s-tongue Pogonia. 
GYNANDRIA MORASS Orv. ORCHIDE. 
Div. Anth. terminalis inserta, persistens. Masse pollinis vel pulvereae vel ¢ core 
pusculis angulatis: basi vel infra apicem afize.—Bn. 
Gen. Cuar.—Labellum sessile, cucullatidm intus cristatum. Petala 5, dis- 
tincta, eglandulosa. Pollen farinaceum.—Br. in Hort. Kew. 
Pogonia ophioglogsoides ; radice fibrosa, scapi folio bracteaque elliptico- 
lanceolatis, petalis exterioribus oblongo-ovatis. 
P. ophioglossoides, Bot. Reg. t. 148.—Nutr. Gen. of N. Am. Pl. v. ii. p. tat, 
Arethusa ophioglossoides, Linn# Sp. Pl. p. 1346.—Pursu, N. Am. Fi. v. 
p. 591. 
Root composed of several thickish, fleshy, slightly downy fibres, some of 
which are branching. Scape nearly a foot in height, erect, slender, terete 
at the base, the upper part compressed, triangular. Near the middle of 
the scape is a single, almost , elliptico-lanceolate, faintly-nerved, ra- 
ther thick, coriaceo-carnose leaf, of a yellowish-green color, sheathing at 
the base. Bractea single, similar in every respect to the leaf, but much 
smaller. 
Flower single, terminal, large. Germen linear, oblong, triquetrous, in 
erect ; es ce ae Petals all concave, and directed 
fa cles ne ee eee a upper half diated, 
concave, deeply toothed at the margin, the the apex entire, waved : the whole 
length of the centre of the lip is beset with elevated papillee, purplish to- 
wards the apex, and glabrous, the rest yellow and downy- Column of 
front, where, towards the upper extremity, is situated the concave sub- 
quadrate stigma ; its upper margins slightly lacerated. Anther terminal, 
convex at the top, moveable, but fixed by its back between two teeth on 
the hind part of the column, with its lower part inserted into a hollow 
on the top of the column, 2-celled ; each cell filed, as it appears, with an 
uniform farinaceous pollen-mass. 
VOL. L 
