ORCHIDA'CE. 
The “lip” is the petal (usually the lowest) which 
differs from all the rest. The swollen or stalk-like 
ovary, often twisted, is easily recognised below the 
flower. The 3 outer flower-segments are here called 
* sepals.” ithe: = immer “petals.” 
Plant not green, with only pale or brownish scales in 
place of leaves. 
—— pale yellow, the lip uppermost, with a ‘pars 
on its back. ; 
L Epipo’gum aphyllum. 
Flowers fawn-colour, the lip undermost, without any 
spur, cloven at the tip. } 
L Neot'tia Ni'dus-a'vis. ird’s-nest Orchis. 
Plant green, usually with developed green leaves. 
Flowers with a “spur” (which may be long, thick or~ 
slender, or very short and blunt) projecting from 
the back of the lip. 2 
‘FSpur very slender, longer than the ovary. 
Flowers with the lip entire, or lobed at the end 
( only, not on its surface. 
Habena Tia. 
| the surface near its base. 
4 Or'chis pyramida/lis. 
Spur not longer than the ovary (or scarcely). 
> 
J 
~Lip 3-lobed at the tip, with 2 additional lobes Q 
Spur as long as half the length of the ovary, or 
f more. ) 
| Or'chis.” 
“Spur not half the length of the ovary. 
poe over an inch long and very narrow, or pee 
| short and 4-lobed. J 
L Or’chis. 
Lip not more than } inch long, 3-lobed (or. 
| 2-lobed) at the tip. 
a Habena'ria~ 
t lowers not spurred. 
Lip large, hollow, inflated, shaped like a slipper or 
( sabot. ) 
L Cypripe’dium Cal’ceolus. Lavy’s Slipper 
Lip not an inch long, not slipper-shaped. 
