259 
9. Petals more than 1 inch long ... yes 10. 
Petals less than 4 inch long ... oom n 
10. Stems more than 1 ft, long... -. 16, Arundina: 
tems none or very short eh .. 44. Paphiopedilum. 
1l. Leaves distichous ud di. .. 26. Appendicula. 
Leaves not distichous ... iss -. 36. Goodyera, etc. 
2. Lip not s e evi $ 3. 
Lip spurred s a Sa : 
13. Lip clawed m We gés ... 35. Haemaria. 
Lip sessile 14 
14. Sepals united 9 d = ak Cheirostylis. 
Sepals free s ixi Es .. 36. Goodyera. 
15. Lip clawed viit id hs e. 31. Anoectochilus. 
Lip sessile 16. 
16. Column with 9 processes descending 
nto the spur 32. Vrydagzynia. 
Calum without 2 processes descending 
30. oe aus 
17. Lip not spurred T ber 
Lip spurred i 
18. Flowers arranged into a ‘distinct spiral 29. REMO 
Flowers not arranged in a spira 19. 
19. Petals 1 inch lon Y nir 10, Pe 
Petals less than 1 inch long eds e 
20. Leaves radical .. tee von 42. Habenaria. 
21. Petals 23 lines = e i asp 2 89. Pase 
Petals $ inch long — ... dee Son Oe Pone 
Spur not vesicular... Pu uc. 42. Habenaria. 
23. Lip equally 3-lobed ...  ... .. 43. Glossula. 
Lip unequally 3-lobed 40. Peristylus. 
24, T" with evergreen stems c or r leaves, 
r both 25. 
Plant with deciduous stems add leaves 46. 
25. Plant with distinct false bulbs uot 26. 
Plant without distinct false bulbs — ... 35. 
26. Leaves large, over 6 inches He ee 2. 
Leaves under 6 inches long . jv 29. 
27. Sepals and petals 2 inches ‘Jon ng. 9. Phaius. 
Sepals and pe under 2 inches long : 
28. Leaves Or. 15. Calanthe. 
Leaf on 12. Tainia. 
29. Lalla ümbellate - » r flowered 30. 
Inflorescence not umbella 32. ` 
30. Plant minute  .. ve Ps s B. ERA. 
: 1e Set minute ii " 31. 
31. Se orescence bome- 
pea EY re 4. Bulbophyllum. 
r than the 
DEM pn "— much shorte M 5 Circhpetalm. 
32. Leaf one ves dud dva 
Leaves. more hag one. s.. ver 6. Bia. 
21515 R2 
