IOWA ACADEMY OF SCIENCES. 161 



45. Anomodon rostratus Schimp. A very common moss, 

 growing on stones, on prostrate logs, or at the root of trees, in 

 damp, shady places. Johnson county, September, 1896, Pro- 

 fessor Shiinek: Johnson county, March 13, 1897, T. E. S.: Musca- 

 tine county, November 15, 1897, Shbiiek lil- Savage. 



46. Anomodon attenuatus Hueben. Not rare; growing in 

 loose, wide tufts on rocks and logs, and roots of trees along 

 streams. Johnson county, September, 1896, T. E. S. : Musca- 

 tine county, November 15, 1897, Shlmek ((• Savage; Decorah, 

 March 24, 1898, P. (J. Myers. 



45. A)iO)nodon obtusifolius Bruch. & Schimp. Leaves two- 

 ranked and annulus large; common on the trunks of trees near 

 water. Johnson county, September, 1895, Professor Shiiitek: 

 Johnson county, October 17, 1896, T. E. *S'. ,• Decorah, March 24, 

 1898, P. a Myers. 



Tribe Orthothecie^. 



48. Plafygyrhon repens Bruch. & Schimp. Very common in 

 the woods; growing in yellowish green tufts on decayed logs. 

 Johnson county, September, 1896, Professor Shiinek: Johnson 

 county, October 1, 1896, T. E. /S'. ,• Delaware county, September, 

 1897, J. E . Cameron: Muscatine county, November 8, 1897, Pro- 

 fessor Shimek: Decorah, March 24, 1898, P. C. Myers. 



49. Pi/lalsia Intrivata Bruch. & Schimp. Not rare; often 

 growing with the last, on trees and decayed logs in shady 

 woods. Johnson county, September, 1896, Professor Shhitek: 

 Johnson county, October 17, 1896, T. E. S.: Delaware county, 

 September, 1897, J. E. Cameron; Muscatine county, November 

 15, 1897, Shimek & Savage. 



50. Gylindrothecium cladorrhizans Schimp. Very common in 

 the woods, on decayed logs or on the ground. Johnson county. 

 May, 1895, and Dallas county, July 7, 1896, Professor Shimek: 

 Johnson county, October 17, 1896, and Henry county, Decem- 

 ber 28, 1896, T. E. S.: Port Dodge, July 5, 1897, Professor 

 Shimek: Delaware county, September, 1897, J. E. Cameron: 

 Muscatine county, November 15, 1897, Shimek (t- Savage: 

 Decorah, March 24, 1898, P. C. Myers. 



51. CyUndrotheciurn seductrix Sulliv. Habitat the same as 

 the last, with which it often grows; stems a darker green and 

 branches more terete than C. cladorrhizans; very common. 

 Johnson county, October, 1895, Professor Shimek: Johnson 

 county, October 3, 1896, and Henry county, December 29, 1896, 



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