MOSSES. 299 



Fissidens decipiens De Not. 



Shaded sandy ground. Mobile County, not frequent. 



Louisianian to Allegheniau area. North to New Jersey, Ohio, and Ontario. 



Fissidens polypodioides (Sw.) Hedw. 



Dripping rocks in the mountains. Etowali County, Gadsden, Black Creek Falls. 

 Sterile ; not rare. 



Louisianian area. Louisiana, Florida, Georgia. Mountains of Jamaica and South 

 America. 



OCTODICBRAS Brid. 



Octodiceras julianum (Savi) Brid. Conomitrium julianum Mont. 



In clear rocky springs. Talladega County. 



Carolinian and Alleghenian areas. New Jersey, Ohio, and Ontario. South and 

 central Europe. 



Family POTTIACEAE. 



DESMATODON Brid. 



Desmatodon plinthobius Lesq. & Sulliv. 



Damp brick walls. Mobile County. 



Louisianian and Carolinian areas. Texas to Georgia, South Carolina, Pennsylvania, 

 Tennessee. 



BARBULA Hedw. 



Barbula caespitosa Schwaegr. 



Woodlands, roots of trees. Montgomery County. Cullman County, Sand Moun- 

 tain. Winston County, frequent. 



Louisiauiaii to Alleghenian area. Georgia, Tennessee to New Jersey, Pennsylvania, 

 New York. 



Barbula coiivoluta Hedw. 



In woods, on the ground. Marshall County, Raccoon Mountains (Lesquereux). 



Carolinian and Alleghenian areas. Throughout the Eastern States to Canada; 

 west through the Rocky Mountains to California; British Columbia. 



TORTULA Hedw. 



Tortula muralis (L.) Hedw. Barbula muralis Timm. 



Shaded damp walls. Mobile County, rare. March. 



Louisianiau and Carolinian areas. South Carolina, Virginia, New Jersey, Penn- 

 sylvania. Europe. 



DITRICHTJM Timm. 



Ditrichum pallidum (Schreb.) Hampe. Trichostomum pallidum Hedw. 

 On light sandy ground. Over the State, common. April. 

 United States, Canada. Europe. 



TRICHOSTOMUM Smith. 



Trichostomum macrostegium Sulliv. & Lesq. 



On stones and old walls. Mobile County, very rare. 



Louisianian area. Louisiana ( Donaldsonville), first collected by C. Mohr, 1873. 



Family GRIMMIACEAE. 



GRIMMIA Ehrh. 



Grimmia campestris Burchell. G. leucopliaea Grev. 



On rocks. Throughout the mountains. Cullman and Winston counties. Dekalb 

 County, Lookout Mountain, frequent; sterile. 



Carolinian area. Upper Georgia, Ohio to New York. Central and South Europe, 

 North Africa. 



