324 POWDERED VEGETABLE DRUGS 



79. (Fig. 88.) CYPRIPEDIUM. Cypripedium. 

 Fl. ex. 60. 



Ladies' slipper, American valerian, E. Gelbfrauenschuh, G. Valeriane 

 americane, Cypripede jaune, Fr. 



The rhizomes and roots of Cypripedium pubescens Wild., and C. 

 parviflorum Salisbury, Orchidaceae. 



Light grayish brown (like aconite). 



Odor disagreeable, heavy, recalling valerian. 



Sweetish, bitter, pungent. 



Parenchyma cells large, thick- walled, porous; raphides; some small, 

 simple spherical starch granules; scalariform tracheids; porous tra- 

 cheids; some cork tissue. 



May be adulterated with roots and rhizomes of other plants. 



80. DELPHINIUM. Larkspur. Seed. 

 Fl. ex. 40. 



Lark's claw, Knight's spur, E. Rittersporn, Lerchenklaue, Horn- 

 kummel, G. Pied d'alouette, Fr. 



The seeds of Delphinium consolida L., Ranunculaceae. 



Very dark; somewhat oily. 



Disagreeable nauseous heavy odor; rancid when old. 



Bitter, pungent. 



Outer cells of seed coat quite large; black, indistinct collapsed, 

 thin-walled parenchyma. Endosperm cells large, thick-walled very 

 porous and somewhat collenchymatous, filled with granular proteid 

 matter and fat. 



The seeds of related species are frequently substituted for the 

 above. 



