286 MINNESOTA BOTANICAL, STUDIES. 



into the hands of M. Jules Cardot, and he pronounces 

 it G. lurigiitii, finding with it also G. renauldi, his own 

 species! Until it is again compared with the types of 

 the three species of Goscinodon, for which there is no 

 immediate opportunity, I cannot divest myself of the 

 suspicion that the line may be too closely drawn be- 

 tween these three species. 



46. Orthotriclium afflne Schrad. 



Thompson {J. H. Sandberg, June, 1891). 



47. Orthotrichum anomalum Hedw. 



Winona bluffs, on lime rocks {J. M. H., Aug. 7, 1890). 



48. Orthotrichum braimii Sch. As 0. strangulatum (Beauv.) 



Vermilion lake (0. E. Barnes). 



49. Orthotrichum leseurii Austin. 



Winona bluffs {J. M.E., Aug. 7, 1890 and later); Bear 



Creek {J. 31. H., May, 1894). 

 This moss is found always on limestone boulders, and 



is frequently mixed with Grimmia a-pocarpa. 



50. Orthotrichum pumilum Sw. 



Hammond's farm, near Winona {J. M. H., June 11, 



1890). 



51. Orthotrichum speciosum Nees. 



Northern Minnesota {F. F. Wood, 1891). 



52. Encalypta ciliata Hedw. 



Stockton {J.M.H., April 24, 1890); Winona {J. M. H., 

 May 16, 1890, May 6, 1893); Marine Mills {J. M. H., 

 July 19, 1890); Areola {J. M. H., July 21, 1890). 



53. Tetraphis pellucidaHEDW. 



Osceola Mills on the St. Croix river (J. H. M., July 18, 

 * 1890) ; near Indian inscription cave, below Lamoille 



[J. M. H., August, 1894). 



54. Physcomitrium hookeri Hpe. 



Moist meadow, on Hamilton's farm near Winona {J. M. 

 H., June 7, 1890). 



55. Physcomitrium immersum Sull. 



Sandy clay bank of Mississippi river, near Winona 

 (J. M. H., Oct., 19, 1889). 



56. Physcomitrium pyriforme Brid. 



Bear Creek {J. M. H., April 19, 1890). Fide Cardot. 



