©rcbis family. 



Large Yellow Lady's Slipper. Cypripedium pubescens. 



Yellow Moccason Flower. 



Found in May, about a week later than the Pink Lady's Slipper, 

 among low growths in moist shade. 



The single stalk grows from 1 to 2 feet ; it is erect, or slightly 

 bent aside, leafy, strong-fibred, and roughened by minute hairs. Color, 

 green. 



The leaf is a broad oval, with a sharp tip, many parallel ribs, of a 

 loose-fibred texture, and hairy on the upper surface. Color, strong 

 green. It clasps the stalk, and folds about it. Two or three or more 

 leaves are placed alternately along the stalk ; they diminish gradually 

 in size. 



The Yellow Lady's Slipper's rounded pouch, or bag, has a circular 

 opening at the top, and is thick in texture, with a smooth and shining 

 surface. The long and narrow side petals are much twisted, and 

 curled ; the two calyx-parts are broad-oval, the lower 2-clef t ; they are 

 ribbed, with slightly wavy margins. All these parts are thin and 

 downy, and colored dull red, or brownish, or purplish, streaked with 

 green ; the pouch is bright yellow, streaked with dull red parallel 

 veins. The flower is set, with an outward swinging gesture, on the tip 

 of the stalk, which is enlarged just beneath the point of contact. 



The blossom is faintly odorous. 



54° 



