petals obliquely oblong to orbicular, rounded to obtuse 
at the more or less crenulate apex, 2-5 mm. long, 1.5—4 
mm. wide; lip ovate to suborbicular or suborbicular- 
quadrate, rarely oblong, with or sometimes without a 
tooth on each side at the base, occasionally with the lat- 
eral teeth prominent, more or less crenulate on the mar- 
gins, provided with a tubercle on the median face below 
the middle, 2.2-6 mm. long, 2-5 mm. wide across the 
basal teeth or lobules, usually almost as wide as long: 
spur cylindrical and slender or slender-clavellate, 4—9 
mm. long; capsule obliquely ellipsoid, about 8 mm. long. 
Habenaria flava is commonly found in open woods in 
floodplain areas of streams and in wet soil of thickets, 
meadows and swales. [tis also found in sphagnum bogs, 
swamps and in gravelly soil on the margin of lakes and 
streams. 
This species is primarily a plant of the Atlantic Coastal 
Plain and Gulf Coast. [It is now known to occur from 
central Florida along the coast to Maryland, with a dis- 
junct area in Nova Scotia, along the Gulf Coast and Pied- 
mont Plateau to Texas, on the Cumberland Plateau in 
‘Tennessee and Kentucky, and in the Mississippi drainage 
basin in Arkansas, ‘Tennessee, Missouri, Illinois and 
Indiana. 
Habenaria flava (L.) PR. Brown var. herbiola 
(R. Br.) Ames & Correll comb. nov. 
Habenaria herbiola R. Brown in Aiton Hort. Kew. ed. 
2, 5 (1813) 193. 
Orchis fuscescens Willdenow sensu Pursh Fl. Am. 
Septentr. 2 (1814) 587, not Linnaeus, not Gmelin. 
Orchis herbiola Pursh Fl. Am. Septentr. 2 (1814) 743. 
Habenaria fuscescens Vorrey Comp. Fl. Northern and 
Middle States (1826) 318. 
Orchis glareosa Rafinesque in Atlant. Journ. 1 (1832) 
1a. 
