© lip a strongly developed sac 1-3 cm, long 4 Cypripedium 
é’ Flowers several to numerous, usually in a more 
or less dense raceme 
G Perianth segments 1.5 em. long, flowers few, 
eo nodding 5 Epipactis 
43 
Perianth segments,1@ com, long; flowers 
A 
numerous, greenish or white, ascending 
Lip produced below into a curving spur 
eoeleS cm, long G Habenaria 
“ Lip aot produced into a spur 
lO Leaves 2, onvposite, near the middle 
~ of the stem 7 Listera 
Leaves 2-5, basal or alternate 
Leaves strongly cross-veined, 
, often veined with white}3 
inflorescence glandular hairy@Goodyera 
Leaves parallel-veined, cross 
/ veins inconspicuous; 
Ilo 
inflorescence glabrous 9 Spiranthes 
is sa a 
