Page 717, line 8 from the bottom, for Sanicula canadensis L. read 



Sanicula canadensis (L.) var. typica Wolff. 



A variety of this species has been described and for a discussion of 

 the name see Rhodora 42: 467. 1940 and Jour. Arnold Arb. 22: 134-135. 

 1941. 



The distribution of the species in Indiana as shown by my speci- 

 mens is as follows: Brown, Dearborn, Decatur, Floyd, Franklin, Gib- 

 son, Harrison, Hendricks, Jackson, Jefferson, Jennings, Johnson, Knox, 

 Kosciusko, Lagrange, Lawrence, Marion, Miami, Monroe, Morgan, 

 Ohio, Orange, Owen, Parke, Perry, Posey, Putnam, Ripley, Union, 

 Vanderburgh, Wabash, Warren, White, and Whitley Counties. 



Page 717, before line 3 from the bottom, interpolate as follows: 



3a. Sanicula canadensis var. grandis Fern. (Rhodora 42: 467. 

 1940.) The distribution of the variety in Indiana as shown by my 

 specimens is as follows : Daviess, De Kalb, Dubois, Fayette, Grant, 

 Greene, Hamilton, Huntington, Knox, Lake, La Porte, Madison, Mar- 

 shall, Martin, Monroe, Montgomery, Noble, Owen, Randolph, Ripley, 

 Rush, St. Joseph, Spencer, Sullivan, Switzerland, Tippecanoe, Ver- 

 million, Vigo, Warren, Warrick, Washington, Wayne, and Wells 

 Counties. Fernald gives the general distribution of the variety as 

 follows: Western Vt. to Nebr., southw. to N. C, Tenn., Mo., Okla., 

 and Tex. 



Page 736, line 11, for Pyrola chlorantha Swartz read Pyrola virens 

 Schweigg. (Rhodora 43: 167. 1941.) 



Page 746, line 7, for Samolus pauciftorus Raf. read Samolus parviflorus 

 Raf. 



Page 751, line 11, for (L.) Pers. read (L.) Gaertn. f. 



Page 771, line 2 from the bottom, for acute read obtuse. 



