CYPRIPEDIUM 



129 



Synopsis of Drugs from the Orchidacea 



A. Rhizomes. B. Tuber. 



*Cypripedium, 84. Salep, 86. 



Corallorrhiza, 85. C. Fruit. 



"Vanilla, 87. 



B 



PtG 47 Cypripedium Leaf and flower. (Pho- PIG. 48. Cypripedium Cross-section of rhi- 



*nrn> l->n diam^ A. Cortex. }. Vascu- 



tograph.) 



zome. (20 diam.) A, Cortex. B, Vascu- 

 lar bundle. C, Ground tissue. (Photo- 

 micrograph.) 



B 



FIG. 49. Cypripedium Cross-section of rootlet. (30 diam.) A, Epidermis. B, Parenchyma of 

 cortex. C, Xylem. (Photomicrograph.) 



84. CYPRIPEDIUM. CYPRIPEDIUM, N.F. 



LADIES' SLIPPER ROOT 



The dried rhizome and roots of Cypripe'dium hirsu'tum Miller, and Cypripedium 



pubes'cens Wildenow and Cypripedium parviflo'rum Salisbury. 

 HABITAT. North America, in swampy regions. 

 DESCRIPTION OF DRUG. A horizontal, somewhat curved rhizome, about the 



thickness of a quill and 100 mm. (4 in.) or less in length, of a dark brown or 



9 



