CXXXIII. ORCHIDEZ (ROLFE). 
Subtribe iv. BLETIEÆ. 
Lip free from the column and convolute round it, 
subentire 
Lip adnate to the column, its limb flat or reflexed, 
and 3- to 4-lobed . 
Subtribe v. EULOPHIEÆ. 
Lip more or less saccate or calcarate, often attached 
to the more or less produced foot of the column. 
Sepals and petals equal or subequal, subconnivent, 
or the sepals seldom reflexed; petals usually 
very similar to the sepals in colour 
Sepals generally strongly reflexed; petals much 
larger, erect or suberect, usually differently 
coloured from the sepals 
Lip sessile at the base of the very short footless 
column, neither saccate nor calcarate 
Subtribe vi. CYMBIDIEX. 
Lip inferior; sepals and petals subequal. 
Flowers in a loose raceme or panicle, over 1 in. 
diam.; lip 3-lobed : 
Flowers in a short congested raceme, kinder 1 in. 
diam.; lip entire . 
Lip superior; sepals and petals unequal : 
Subtribe vii. SARCANTHEÆ. 
Pollinia with a single stipes and gland. 
Spur saccate, usually shorter than the sepals and 
petals; side lobes of the lip distinct and 
broadly rounded . - : 
Spur usually variously calcarate, often very ‘long ; 
side lobes of the lip usually obsolete 
Pollinia with two distinct stipes; gland simple or 
divided. 
Stipes of pollinia attached to a single gland . 
Stipes of pollinia attached to two distinct glands 
Subtribe viii. VANILLEÆ 
Subtribe ix. CORYMBIEÆ 
Subtribe x. SPIRANTHEÆ. 
Front lobe of the lip attached to the sac by a narrow 
claw. 
Sepals free; column unappendaged . > : 
Sepals connate to the middle into a tube; column 
with two linear arms as long as the rostellum 
Front lobe of the lip sessile on the sac. 
Sepals free or nearly so. 
Column short and stout, with two crest-like 
appendages in front. 
Column elongate and clavate, umappendaged in 
front 
Sepals connate to beyond the middle into a narrow 
tube 
8. PHAIUS. 
9. CALANTHE. 
. 10. EULOPHIA. 
. 11. LissocHIuvs. 
12. PTEROGLOSSASPIS. 
. 18. ANSELLIA. 
. 14. NEOBENTHAMIA. 
. 15. PoLYSTACHYA. 
. 16. SACCOLABIUM. 
. 17. ANGRECUM. 
. 18. LisTROSTACHYS. 
. 19. MYSTACIDIUM. 
. 20. VANILLA. 
. 21. CoRYMBIS. 
22. ZEUXINE. 
23. CHEIROSTYLIS. 
. 24, HET#RIA. 
. 25. PLATYLEPIS. 
. 26. MANNIELLIA. 
15 
