260 MINNESOTA BOTANICAL STUDIES. 



PTERIDOPHYTA. 



0PHI0GL0SSACE,E. 



Botrychium obliquum Muhl. ; Willd. Sp. PI. 5: 63. 1810. 

 R. 517, 660. Spring Grove. 

 Infrequent on wooded ridges. 



POLYPODIACEjE. 



Woodsia scopulina D. C. Eaton, Can. Nat. 2 : 90. 1865. 



R. 296. Spring Grove. 



The only previous collections reported from the state are 

 from Duluth and Taylors Falls by Miss Cathcart, and from 

 Blue Earth county by Mr. Gedge. The only previous collec- 

 tion in the University Herbarium is from Rock county by Mr. 

 W. A. Wheeler. 



Woodsia obtusa (Spreng.) Torr, Cat. PL in Geol. Rep. N. 

 Y. 195. 1840. 



R. 343. Spring Grove. 



Infrequent or rare southeast. Occurs in crevices of the St. 

 Peter sandstone. Reported by Upham as occurring through- 

 out the state. The only previous collection in the University 

 Herbarium is from Goodhue county by N. L. T. Nelson. 



METASPERM^E. 



GR AMINES. 

 Panicum linearifolium Scribn. in Br. & Br. 111. Fl. App. 3 : 

 500. 1898. 

 R. 259. Spring Grove. 

 Panicum leibergii (Vasey) Scribn. ; Vasey, U. S. Dept. Agric, 

 Div. Bot. Bull. 8: 32. 1899. 

 R. 504, 538, 619, 621. Spring Grove. 

 Homalocenchrus lenticularis (Michx.) Scribn. Mem. Torr. 

 Club, 5: 33. 1894. 

 Lyon, 713, Aug., 1900. Jefferson, Houston county. 

 Not previously reported from Minnesota. 

 Phalaris arundinacea L. Sp. PI. 54. 17 53. 



R. 648, 665. Spring Grove. 

 Stipa spartea Trin. Mem. Acad. St. Petersb. (VI) 1 : 82. 

 1831. 



