i8o 



Coriius amoiium, Mill. Silky Cornel. 

 Cornus sericea, I/. 



Along the Missouri river in Yankton and Charles Mix 

 counties. 



PYROLACE^E. Wintergreen Family. 



Pyrola rotundifolia, L. Round-leaved Wintergreen. 

 In woods in the Black Hills, I>ad City. 



Pyrola Elliptica, Nutt Shin-leaf. 



On shady hillsides in the Black Hills. 



Pyrola chlorantha, Sw. Greenish-flowered Wintergreen. 

 In woods in the Black Hills. 



Pyrola secunda, L. One-sided Wintergreen. 



In deep shady ravines in the Minnesota valley and in 

 the Black Hills. 



Pyrola rotundifolia bracteata, (Nutt.) Gray. 



In a cold bog near Sylvan lake in the Black Hills. 



MONOTROPACE^. Indian Pipe Family. 



Pterospora andromedea, Nutt Pine Drops. 



In woods in the Black Hills; Custer and Rapid City. 



Moiiotropa imiflora, L. Indian Pipe. 



In deep, wooded ravines in the Minnesota valley; Rob- 

 erts county. 



ERICACEAE. Heath Family. 



Arctostaphylos uva-ursi, Spreng. Red Bearberry. 



On dry knolls in the Black Hills, and in the adjacent 

 plains; Custer, and the Bad Lands. 



VACCINEACE^. Huckleberry Family. 



Vaccinium myrtillus microphyllum, Hook. Bilberry, 

 Whortleberry. 



In the Black Hills. 



