364 ORCHIDACEAE 
Flower-stem terminating a.corm, a cluster of 
rootstocks, or SE from a pseudobulb 
or a short rootstoc Tribe IV. EPIDENDREAE. 
Flower-stem lateral on a leafy stem or pseudo- 
2 m an abbreviated leafless 
stem. 
Leafy Bees main stem composed of an- 
members of which each one 
et nates the year's growth. 
M pliable, not coriaceous, convo- 
Trib V. BLET 
E e rigid, coriaceous, conduplicate. Tribe VI. NC 
Leafless plants with green roots: main 
stem growing on year after year, not 
produced into distinet annual mem- 
bers, thus of unlimited growth. Tribe VII. POLYRRHIZEAE. 
CYPRIPEDIEAE 
Caulescent plants: foliaceous ievos several: lip with 
|. rounded d ng: sterile stamen glabrous: stigma broad: 
est at the 1. CYPRIPEDIUM. 
Scapose nie: : "oli iaceous leaves 2, basal: lip with a fis- 
sure down the front : sterile stamen glardular-pubescent : 
stigma broadest at the apex 2. FISSIPES. 
II. ORCHIDEAE 
Stigma flat, without appendages 
Glands of the jun enclosed in a pouch. 3. GALEORCHIS. 
Glands of the sti naked, or merely surrounded by 
the A of the anther. 
Glands covered Dy E. thin membrane, which is de- 
ciduous with 4. COELOGLOSSUM. 
Glands Ri a nens ran 
v i: ELS the anther Bot enclosing the glands 
Lip entire or shallowly lobed. 5. LYSIAS. 
Lip incised or fringed. 6. BLEPHARIGLOTTIS. 
o 2 the anther oe the glands below 
infolding of the mar gin T. PERULARIA. 
Stigma with well- developed appenda 
Base of the anther with long slender appendages. 
ae with 
ith three 2 lobes : stigma erect. 8. HABENARIA. 
entire or nearly so: stigma dd .9. HABENELLA 
Base of ‘the anther without appendag 10. GYMNADENIOPSIS. 
III. NEOTTIEAE 
Stem climbing: elongate vin 11. VANILLA. 
Stem not climbing: terr cstrial or epiphytic herbs. 
Anther me the column 
Lea or bra cts, enale, sometimes represented | 
‘by n scales, or if more than 2, whorled | 
sotria 
Anther loosely attached, thus mobile. 
Pollinia mealy, the grains not connected by 
elastic threads 
Plant caulescent : braets, and leaves, | 
alternate. | 
Lip recurved, the edges of the dilated | 
upper part Ja-inisi c ec unas the 
i with a tufted crest: anther 
hollowed on the back. 12. PoGONIA. 
Lip straight, the lobes erose, the face 
long median one: anther flat on the 
back. 13. CLEISTES. 
Plant scapose : bracts whorled at the top 
of the scape. 14. ISOTRIA. 
Pollinia attached by br threads. 
Flowers several n the middle lobe 
ilated upwar pn 15. LIMODORUM. 
Flower solitary : lip with the middle lobe 
„TO unded, pendent. 16. ARETHUSA. 
An mmobile, uc erect. 17. TRIPHORA. 
Leaf-like Heg opposit 18. OPHRYS 
