10 
CXXXVI. ORCHIDEAS. 
Lip with mid lobe clawed wide expanded 
bilobed ..... 
Lip saccate not spurred, terminal lobe dilate. 
Stigma entire; column with a ventral 
boat-shaped process. 
Rostellum moderately long; lip large 
Rostellum very long curved; lip small . 
Column with no ventral process; flowers 
rather large ..... 
Stigmas 2 lateral. 
Column 2-winged in front; midlobe 
entire ...... 
Column with 2 processes in front; mid¬ 
lobe toothed .... 
Terminal lobe of lip not dilate. 
Leaves few ovate or lanceolate. 
Lip inferior, base boat-shaped 
Lip superior, base saccate 
Lip a globose sac with very small linear 
midlobe ..... 
Leaves very long narrow, a big plant 
Lip not saccate, flat. 
Leafless saprophyte; perianth connivent . 
Leaves long-petioled from a rhizome; 
scape nearly leafless 
93. Anjectochilus 
94 - 
95 - 
Dossinia 
Macodes 
96. FLemaria 
97 - 
98. 
99. 
100. 
101. 
102 . 
I° 3 - 
104. 
Zeuxine 
Cheirostylis 
Goodyera 
Het^ria 
Hylophila 
Lepidogyne 
Stereosandra 
Cryptostylis 
Tribe IV. Ophryde^e. 
Terrestrial herbs, with tubers or tuberous roots and a leafy stem terminated 
by a raceme usually of many flowers. Sepals and petals usually linear or 
oblong. Petals sometimes bifid. Lip adnate to column, 3-lobed or entire 
spurred. Anthers adnate to top of column erect 2-celled, cell bases often 
prolonged. Pollinia granular clubbed, with caudicle and disc to each. 
Capsule ellipsoid. Chiefly in sub-tropical and temperate regions. Whole 
world. Genus in our region one . . . 105. Habenaria 
Tribe V. Cypripedie;e. 
Terrestrial, rarely epiphytic herbs. Leaves herbaceous or subcoriaceous, 
in a rosette or stem leafy. Flowers large, few, terminal on leafy stem or 
on a peduncle from the rosette. Upper sepal erect, broad, lower pair connate 
below' the lip. Petals narrower spreading. Lip large sac-shaped sessile, 
lateral lobes indexed. Column short terete. Fertile anthers 2 on either side 
of a disc-like staminode. Stigma disc-shaped. Capsule elliptic narrow. 
Species about 50 of three genera or sub-genera. Cypripedium (true), Europe, 
Asia, North America. Paphiopedilum, Tropical Asia. Selenipedium, South 
America. 
Leaves in a rosette; flower on a peduncle , 106. Paphiopedilum 
Tribe I. EPIDENDREiE (Genera 1-42). 
1. MICROSTYLIS, Nutt. 
Terrestrial herbs; stems erect cylindric or swollen at base, rarely 
creeping. Leaves ovate or lanceolate petioled. Raceme terminal. 
Flowers small, green, yellow, white or purple. Sepals and petals 
narrow oblong or linear, spreading. Lip adnate to column base, 
flat, base prolonged into 2 auricles partly surrounding column. 
Column very short thick, with short blunt arms. Pollinia 4. 
