ORCHIDE® 143 
woods, frequent. £. rudbiginosa, Crntz. (atrorubens, Sch.); 
flowers purple, smaller, scented, terminal lobe of lip 
pointed, recurved, protuberance at the base wrinkled, 
stem more slender; thickets, especially calcareous, local. 
E. microphylla, Sw.; plant more slender, stem 8-18 in., 
leaves much smaller, flowers fragrant, lip gibbous at the 
base; mountain woods; Western Switzerland, rare. F&. 
palustris, Crntz.; flowers few, large, variegated with 
white, green, and purple, terminal lobe of lip blunt, 
rounded ; bogs; Switzerland, Jura, Dauphiny, Pyrenees, 
rare. 
21. CEPHALANTHERA, Rich. 
Flowers large, white or red, in few-flowered bracteate 
spikes ; ovary twisted; sepals and petals incurved; lip 
saccate; pollen-masses 2, powdery; rostellum 0; stem 
leafy ; capsule erect; root-stock creeping. 
C. grandifiora, Gray (pallens, Rich.); flowers large 
(4 in.), white, distant, bracts longer than the ovary, leaves 
ovate, acuminate, stem 12-24 in.; thickets, occasional. 
C. enstfolia, Rich. (xiphophyllum, Rchb.); flowers white, 
smaller, distant, bracts much shorter than the ovary, 
leaves lanceolate, the upper ones linear; bushy places, 
rare. C. rubra, Rich.; flowers red-purple, ovary pubes- 
cent, bracts longer than ovary, leaves lanceolate, acute, 
stem 6-18 in.; bushy places, especially calcareous, local. 
22. CYPRIPEDIUM, L. 
Flowers very large, usually few; sepals and petals 
spreading; lip very large, inflated, not spurred ; stamens 
2 (1 in all the other genera); rostellum 0; stem leafy ; 
root-stock creeping. 
