Wheeler: the umbellales of Minnesota. 239 



Herb.: Sandberg, Chisago county; Wheeler 314, Houston 

 county. 



Sanicula marylandica L. Sp. PI. 1:235. 1753. Black snake- 

 root. 

 In woods throughout, common. 

 Herb. : Numerous collections from all parts of state. 



Sanicula gregaria Bicknell, Bull. Torr. Club, 22 : 354. 1895. 

 Yellow-flowered snakeroot. 



In woods south. 



H_erb. : Burglehaus, Hennepin county ; Ballard 390, Scott 

 county; Sheldon, Milaca ; Sheldon 141, Madison lake ; Rosen- 

 dahl 562, Wheeler 177, Houston county; Holzinger, Wi- 

 nona. 



Nat. Herb. : Mearns, Fort Snelling. 



Sanicula canadensis L. Sp. PI. 1: 235. 1753. Short-styled 

 snakeroot. 



In woods south. 



Herb.: Lyon 260, Houston county; Sheldon 983, Brown 

 county. 



Sanicula trifoliata Bicknell, Bull. Torr. Club, 22 : 359. 1895. 

 Large-fruited snakeroot. 



Rare in woods southeast. 



Herb.: Lyon 214, Houston county; Rosendahl 588, Fill- 

 more county. 



Eryngium yuccifolium Michx. Fl. Bor. Am. 1: 164. 1803. 

 Button snakeroot. 

 Eryngium aquaticimi L. Sp. PI. ed. 2, 336, 1762 in part, 

 not ed. 1. 

 Frequent south. 



Herb. : Sandberg, Cannon falls ; Sheldon, Sleepy Eye, 

 Waseca county ; Ballard, Nicollet county ; Holzinger, Winona ; 

 Taylor, Janesville ; Alton, Hennepin county. 



Washingtonia claytoni (Michx.) Britton, 111. Fl. 2 : 530. 1897. 

 Sweet cicely. 

 Osmorrhiza brevistylis DC. Prodr. 4: 232. 1830. 

 Myrrhis claytoni Michx. Fl. Bor. Am. 1: 170. 1803. 

 Common in woods throughout. 

 Herb. : Numerous specimens. 



