MOSSES. 299 



Fissidens decipiens De Not. 



Shaded sandy ground. Mobile County, not frequent. 



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



Fissidens polypodioides (Sw.) Hedw. 



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

 Sterile; not rare. 



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

 America. 



OCTODICERAS Brid. 



Octodiceras julianum (Savi) Brid. ConomitriumjuUannm Mont. 



In clear rocky springs. Talladega County. 



Carolinian and Alleghenian areas. New Jersey, Ohio, and Ontario. Soutli 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 C!ounty, Sand Moun- 

 tain. Winston County, frequent. 



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

 New York. 



Barbula convoluta 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 niuralis (L.) Iledw. Barhula muralis Timm. 



Shaded damp walls. Mobile County, rare. March. 



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

 sylvania. Europe. 



DITRICHUM Timm. 



Ditrichuni 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 ( Donaldsouville), first collected by C. Mohr, 1873. 



Family GRIMMIACEAE. 



GRIMMIA Ehrh. 



Grimmia campestris Burchell. U. leiuophaea Grev. 



On rocks. Throughout the mountains. Cullman and Winston <'ountie8. Dekalb 

 County, Lookout Moautain, frequent; sterile. 



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

 North Africa. 



