134 BENGAL PLANTS. [Artific 
wide saceate ; flowers a ca 
Spur occluded by a dorsal scale or by 
the anterior and posterior = but wi 
septu 
Cleisc 
i within partially cuban by calli 
divided by a vertical cea 
ante _ — chambers sar? arcal 
** Anthaoay 7 
}UU! 
tapering toa minute gland ; epiphytic iuihe fa 138), 
wt 
tPollen powdery, granular or in small masses :—{p: 1 
An 
er terminal ; pollinia 2 or 4 cohering by their aa : 
either giand or caudicle : 
Large leafy epiphytic climbers with coriaceous leaves 
9 
Small erect terrestrial herbs : 
Saprophytic leafless ono with sepals - here united 
a 5-toothed 2-labiate tube 9. Die 
Green herbs with sepals and petals pret ha solitary 
the flower from a separate tuber, rarely from the same 
and contemporaneous., 920. NE 
bite prema vertical but inverted ; pollinia 2, or 4 in? 
single caudicle inserted 0 a long, narrow gland; 
i us or siliacetaias 
Lip spurred or saccate, but with no mews 921. 
Lip with a long claw, but neither spurred or —— 
Pollinia short my inserted directly on the gland ‘ 
flat, membranous :-— 
Pollinia 2, ig Saccate at the base, the sac usually regu 
tubercled within ; gland vari riously shaped... 
ois eco 4, lip neither saccate nor spurred ; gland 
994 ] 
iieintuatead hee ae re Tee es 
Biomass 2, lateral, distant ; “ope 2, each pe 
Sessile; leaves flat, membranous 
