GYNANDRIA, MONOGYNIA. 141 

Whorled Pogonia. 
_ About ten or twelve inches high, with a single whorl of q 
. Flowers singular, but not handsome, brownish-purple 
with yellow. Flowers sometimes two or three ona 
m. In shady woods of rich, moist boggy soil—also in bogs ; 
frequent. Perennial. May, June. 
; 337. CALOPOGON. R. Brown. (Orchidee.) 
cymBrIpium. Swartz. 
Petals 5, distinct. Lip behind, (or inverted, ) 
unguiculated; the lamina bearded. Column 
free. Pollen angular.— Nuit. 
1. C. radical leaves ensiform, nerved; scape few- pulchellus. 
flowered ; lip erect, attenuated at base; lamina 
expanded; disk concave, bearded.—/Willd. and 
Pursh. 
Cymbidium pulchellum, Willd. 
Limodorum tuberosum, Syst. Veg. and Mich. 
L. pulchellum, Salisbury. 
Ophrys barbata, Walt. 
Icon. Bot. Mag. 116. 
About fifteen inches high, with a single leaf and a single 
terminal flower of a rose-red, and very handsome. In bogs 
and morasses; frequent. Perennial. July. 
338. ARETHUSA. R. Brown. (Orchidee.) 
Petals 5, connate at the base. Lip below 
growing to the column, cucullate above, 
and internally crested. Pollen angular.— , 
Nutt. 
>» ote? 
i. A. without leaves; root globose ; scape sheath- bulbosa. 
ing, one-flowered; upper calicine segments in- 
curved; lip somewhat crenulate.—/Willd. and | 
Pers. . 
Icon. Lam. Illustr. t. 729. f. 1. Pluk. mant. 
t. $48. f. 7. 
13* 

