XXXll 



ILLUSTRATED KEY 



Small herbs with a pair of green leaves near 

 the middle; a raceme of stiS little spurless 

 flowers; sepals and petals nearly all alike, 

 standing free; lip split or expanded. 



Vm. LiSTEEA P. 103. 



Flowers in bracted spikes, rising from a tuft 

 of basal leaves, often blotched with white; 

 lip entire, romidish ovate. 



TX. Peramium p. III. 



Low herbs from a solid bulb, bearing a 

 raceme of minute feather)' white or green 

 flowers. One leaf clasping stalk with several 

 scales below. Two pollinia in each anther sac. 



X. ACHROANTHES 

 p. 120. 



