]8o 



Coriius aiiioiiiini, Mill. Silky Cornel. 

 Cor mis sej'icea^ L. 



Along the Missouri river in Yankton and Charles Mix 

 counties. 



Pyrolace^. — Wintergreen Family. 



Pyrola rotuiidifolia, L. Round-leaved Wintergreen. 

 In woods in the Black Hills, Lead City. 



Pyrola Elliptica, Nutt. Shin-leaf. 



On shady hillsides in the Black Hills, 



Pyrola chlorantlia, Sw. Greenish-flowered Wintergreen. 

 In woods in the Black Hills. 



Pyrola secuiida, L. One-sided Wintergreen. 



In deep shady ravines in the Minnesota valley and in 

 the Black Hills. 



Pyrola rotuiidifolia bract eat a, (Nutt.) Gray. 



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



MONOTROPACE^. — Indian Pipe Family. 



Pterospora aiidroiuedea, Nutt. Pine Drops. 



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



Moiiotropa uiiiiiora, L. Indian Pipe. 



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

 erts county. 



Ericace^. — Heath Family. 



Arctostapliylos iiva-iirsi, Spreng. Red Bearberry. 



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

 plains; Custer, and the Bad Lands. 



Vaccineace^E. — Huckleberry Family. 



Vacciiiiuiu iiiyrtillus luicrophylliiiii, Hook. Bilberry, 

 Whortleberry. 



In the Black Hills. 



