ORCHIDEZ 139 
long as ovary, stem 6-8 in., leafy, leaves linear-lanceo- 
late, keeled; pastures, frequent. G. odoratissima, Rich. 
(Pl. 108); very fragrant, flowers pink, spur not longer 
than ovary, leaves linear; alpine pastures, frequent. 
g. CCQELOGLOSSUM, Hartm. 
Sepals connivent into a hood ; lip 3-lobed or tridentate, 
with a very short spur; stigma depressed ; root-tubers 2 
or more, lobed. 
C. albtdum, Hartm. (Habenaria albida, Br., Gymna- 
denia albida, Rich.); flowers small, greenish-white, in a 
cylindrical spike, lip deeply 3-lobed, spur one-third as long 
as ovary, stem I-6 in., leafy, leaves broadly lanceolate, 
root-tubers numerous, slender; pastures, frequent. C. 
viride, Hartm. (Habenaria viridis, Br.), Frog Orchis ; 
flowers yellowish-green tinged with brown, in a lax elon- 
gated spike, lip with 3 teeth, spur very short, saccate, 
leaves narrower, root-tubers 2. 
10. PLATANTHERA, Rich. 
Flowers large, white, fragrant, in a lax spike; sepals 
spreading; lip undivided, with a long spur; stigma de- 
pressed ; root-tubers 2, lobed. 
P. bifolia, Rich. (Habenaria bifolia, Br.), Smaller But- 
terfly-Orchis; flowers pure white, very fragrant, stem 
6-8 in., with usually two often opposite ovate leaves, lip 
linear, spur very slender, 14—2 times as long as ovary ; 
thickets, frequent. PP. chlorantha, Cust. (Habenaria chlo- 
rantha, Bab., P. montana, Rchb.), Larger Butterfly Orchis ; 
flowers larger, greenish- white, not so fragrant, spur 
slightly swollen at the tip; thickets. 
