ORCHID FAMILY 79 
soms occur in crowded spikes on stems 2-8 in, tall and bloom in 
midsummer. The plants grow in fir and spruce woods at 9000-10000 
ft. 
FatrY SLIPPER, CALYPSO CALYPSO BOREALIS 
Plate 43, fig. 6 
The fairy-like rose-purple blossoms of Calypso appear in early 
spring. They occur singly on stems 4-8 in. tall, in fir and spruce woods 
at 7000-10000 ft. The name “Calypso” is that of a nymph of Grecian 
legend, and seems well fitted to this dainty plant. 
