ORCHIDACE. 
Side-lobes of lip small 
or none ; spur narrow 
and cylindric, or short 
and widely saccate ; 
mouth naked or fim- 
briate; caudicle of 
pollinia very narrow 
Spur within partially or 
completely occluded by 
calli :— 
Spur occluded by a dorsal 
scale or by calli on 
the anterior or posterior 
walls, but without a 
septum ; 
Spur within partially 
occluded by calli and 
divided by a vertical 
antero-posterior septum 
into two lateral 
chambers 
Pollinia powdery or lamellate, not waxy :— 
Anther terminal, pollinia 2or 4 ; leaf solitary, 
radical, appearing atter the flowers 
Anther dorsai; pollinia 2, bipartite ; 
leaves several, appearing with the flower, 
racemes drooping; lip with a concave 
or saccate much depressed hypochile 
jointed at a right angle to the epichile . 
Stigma single, anticous ; lip saccate, the 
sac usually setose within . 
Stigmas two, distant, lateral ; pollinia 
bipartite ; lip saccate, the sac with 
calli of lamine within 
Anthers two, each with one perfect cell; cells 
sessile on the column, remote or contiguous, 
always separate ; pollinia 2, often bipartite, 
adnate with or without caudicles to separate 
glands; leaves flat, membranous. T errestrial 
herbs : 
18. SAccOLABIUM,. 
. 19. 
. 20. 
. 21 
22. 
. 23 
. 25. 
CLEISOSTOMA. 
SARCANTHUS. 
. Pogonta. 
Eprpactis. 
. GOODYERA. 
, 24. ZEUVXINE. 
HABENART, 
