1-1 VERMONT MOSSES. 



Family VIII. Toktulaceae. 



BARBULA Hedw. 



I.— Peristome lacking. curvirostris. 



Peristome present. 2. 



2._peristome short, erect. - rubella. 



Peristome elongated, contorted 3. 



3.— Leaves squarrose-recurved. fallax 



Leaves erect-open. 4< 



4 Leaves with costa vanishing at or below apex. convoluta. 



Leaves mucronate with the excurrent costa. unguiculala. 



B. convoluta Hedw. Brattleboro, Fr. 



B. curvirostris (Ehrli.) Lindb. {Gi/mnrMomum cur drostrum Hedw.) 



Calcareous alpine cliffs. Willoughby cliffs, F.; Smugglers' Notch, 

 and cliffs of L. Cliamplain, P. 



B. fallax Hedw. Shaded rocks, Winooski River, P. 



B. fallax brevifolia (Sm.) Schultz. Brattleboro, Fr. 



B. rubella (Hoffm.) Mitt. {Didi/modon ruhcllus Br. &Sch. ) Roadside 

 Willoughby Lake, and Williamstown Gulf, F. Limestone cave 

 east of High Bridge, Burlington, and Dorset Mt. G.; Peacham, BL; 

 N. Pomfret, Fr. 



B. unguiculata (Huds. ) Hedw. On dry soil and rocks. Manchester, G.; 

 Peacham, BL; Newport, F.; Brattleboro, Fr. 



LEERSIA Hedw. 



Costa excurrent. laciniata. 



Costa vanishing at apex. contorta. 



L. contorta (Wulf.) Lindb. {Encalyjyta streptocarpa Hedw . ) Limeston 

 cave east of High Bridge, Burlington, G. 



L. laciniata Hedw. {Encalypta ciliata Hedw.) On rocks in subalpine 

 regions. Peacham, BL and P.; Willoughby, Mt., and Mt. Hor, F; 

 N. Pomfret and Brattleboro, Fr. 



MOLLIA Schrank. 



I. — Costa excurrent. 2- 



Costa vanishing in or below apex. 5. 



2.— Plants small nearly simple. viridula. 



Plants larger, robust, branched or divided. 3. 



