aI 
CHESTER, James; LANCASTER, Small; YORK, HUNTING- 
DON and CENTRE, Porter; WESTMORELAND and BUTLER, 
James. 
B. unguiculata apiculata Br. & Sch.—LancastErR, Muhi- 
enberg. 
B. unguiculata lanceolata (Hedw.)—LANCASTER, Muhlen- 
berg. 
B. unguiculata stricta (Hedw.)—LancasTEeR, Muhlen- 
berg. 
Tortula Hedw. 
T. humilis (Hedw.) Brid—MownrokE, James; NORTHAMPTON, 
Bethlehem, Rau; Easton, Porter; PHILADELPHIA, Fair- 
mount Park, DELAWARE and CHESTER, James; LANCAS- 
TER, river hills, Porter; NORTHUMBERLAND and CAMBRIA, 
James. ([Barbula humilis Hedw.* Barbula caespitosa 
Schwaegr. ] 
T. muralis (L.) Hedw.—NorTHAMPTON, Easton, Porter; 
LANCASTER, Levan’s Mill, Zdy. 
T. papillosa Wils.—PHILADELPHIA, Bustleton, and BLarr, 
Tyrone, James. [Barbula papillosa C. Muell.] 
T. ruralis (L.) Ehrh.—Bucxs, Nockamixon cliffs, and Nor- 
THUMBERLAND, James. [Barbula ruralis Hedw.] 
T. tortuosa (L.) Ehrh.— NorTHAmMpPTON, Garber, PIKE, Rau; 
CarBon, Parryville, Rau; Bucks, Nockamixon cliffs. 
James; WANCASTER, Porter; CAMBRIA, Cresson, James, 
[Barbula tortuosa Web. & Mohr. ] 
Desmatodon Brid. 
D. plinthobius Sull. & Lesq.—On a limestone rock near 
Lancaster, Porter. 
D. Porteri James.—On limestone rocks. NORTHAMPTON, 
College Hill, Porter; Bethlehem, Raz. 
* Type locality Lancaster, Muhlenberg. Type specimens representing both 
names are preserved in the Hedwig herbarium at Geneva. 
