40 
YT. scitum aestivale Aust.—PIKE, Rau; Monroxz, Water 
Gap, Austin; BLarr, Porter; MCKEAN, Burnett. 
T. Virginianum (Brid.) Lindb.—On decayed logs. Monro, 
Buckhill Falls, PHILADELPHIA, Fairmount Park, James 
Bair, Bald Eagle Valley, Porter; Campria, Cresson, 
James; NORTHAMPTON, Raz ,; LANCASTER, Muhlenberg, 
New Texas, Small. [H. gracile var. Lancastriense Sull. & 
Lesq. } 
HYPNACEAE. 
Isothecieae. 
Homalothecium Br. & Sch. 
H. subeapillatum (Hedw.) Sull—On trunks of trees. 
NORTHAMPTON, Easton Cemetery, Porter; PHILADELPHIA, 
Bartram’s Garden, Bustleton, and CHESTER, Warwick Fur- 
nace, James; I,ANCASTER, Octorara Creek, Small, Cedar 
Hill, Porter; ELK, McMinn. [Pterigonium subcapillatum 
Muhl.] 
Platygyrium Br. & Sch. 
P. repens Br. & Sch.—On trunks of trees, often sterile and 
gemmiferous. MONROE, Cresco, /ames; NORTHAMPTON, 
Rau, PHILADELPHIA, Bartram’s Garden, Wissahickon, and 
CHESTER, James; LANCASTER, Porter, INDIANA and 
BEAVER, /ames; WASHINGTON, Linx and Szmonton,; Mc- 
Kran, Bradford, Burnett. [Entodon palatinus (Neck.) 
Lindb. ] 
Pylaisia Br. & Sch. 
P. intricata (Hedw.) Card.—On tree trunks. PIKE, Elbow 
Swamp, and Carson, Raw; LANCASTER, Mount Hope, 
Small; MCKEAN, Burnett. [P. velutina Br. & Sch.] 
P. polyantha (Schreb.) Br. & Sch.—On tree trunks. Mc- 
Kean, Burnet. 
P. Schimperi Cardot—On trees. NortTHamptTon, Bethle- 
hem, Rau; Easton, Porter; PHILADELPHIA, DELAWARE 
and CHESTER, Coventry, /James; LANCASTER, Small; 
