Wheeler: THE UMBELLALES OF MINNESOTA. 239 



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

 county. 



Sanicula marylandica L. Sp. PI. i : 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. 



Herb. : 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. PL i: 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. i: 164. 1803. 



Button snakeroot. 

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



not ed. i. 

 Frequent south. 



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

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

 Taylor, Janesville ; Aiton, Hennepin county. 

 Washingtonia claytoni (Micnx.) 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. 



