Sheldon: further EXTENSIONS OF PLANT RANGES. 73 



Lotus americanus (Nutt.) Bisch. Hort. Heid. 1839. 



This species was first reported in Minnesota from Swan lake. 

 Redwood county, Minn. {Upham). It has been collected at the 

 state line near Elkton, S. Dak. {E. P. S., Aug., 1891); Pipestone 

 City, Pipestone county, Minn. {2Iax Memel, July, 1891); be- 

 tween Morton and Granite Palls, Minn. {Conway Mac Millan, 

 June, 1890); Brown's Valley, Traverse county, Minn. (jE". P. S., 

 Sept., 1893); Graceville, Big Stone county, Minn. {E. P. S., 

 Sept., 1893). 



Polygala cruciata Linn. Spec. 706. 1753. 



To the Minnesota localities for this plant are to be added: 

 near North Branch. Chisago county, Minn. {B. C. Taylor, Aug. , 

 1892); Green lake, near Princeton. Mille Lacs county, Minn. 

 {E. P. S., July, 1892). 



Ceanothus ovatus Desv. Arb. 2:381. 1809. 



Previously reported in Minnesota from the St. Croix (Parry), 

 New Ulm (Juni) and near Brainerd (MacM. & Sheld., Aug., 

 1890). 



Although observed by the writer and Professor MacMillan 

 in the summer of 1890, no specimens of this species were pre- 

 served. The present season, however, an abundant supply was 

 obtained near Gull lake, Cass county, Mj^n. {Miss J. E. Tilden, 

 June, 1893); near Stony Brook, Cass county, Minn. {C. A. Bal- 

 lard, June. 1893); Gull lake, Cass county, Minn. {A. P. Ander- 

 son, June, 1893). Also collected near Brainerd, Minn. {E. P. 

 S., June. 1892). 



Tiola longipes Nutt. in T. & G. PI. 1 : 174. 1838. 



Hitherto the only reported Minnesota localities for this 

 species have been on the sandy pine-barrens near Brainerd and 

 Mille Lacs lake. 



It was found in the crevices of rocks on the lake shore near 

 Two Harbors, Lake county, Minn. {E. P. S., June, 1893). 



Rotala ramosior (Linn.) Koehne, in Engl. Jahrb. 1:146. 

 188U. 



Reported in the appendix to Upham 's Catalogue as occurring 

 at Lake City, {Gibso)i). Collected near North Branch, Chisago 

 county, Minn. {B. C. Taylor, Aug., 1892); near Richfield Center, 

 Hennepin county, Minn. {F. L. Couillard, 1892); on the shores 



