46 
R. geophilum Aust.—On damp, shaded ground. Lzuicu, 
Rau; PHILADELPHIA, on the Schuylkill (fruiting), James ; 
CamBRIA, Cresson, Porter. Rare. 
R. rusciforme (Neck.) Br. & Sch.—On rocks in rivulets. 
Monroe, Water Gap, /ames; LEHIGH and Bucks, Raz ; 
NORTHAMPTON, Bethlehem, Rau, Easton, Porter; PHILA- 
DELPHIA, Wissahickon, and CHESTER, Coventry, /ames; 
LANCASTER, Chickies, Porter, Mount Hope, Smad/; York, 
Porter; CAMBRIA, Cresson, James; MCKEAN, Burnett. 
R. serrulatum (Hedw.) Jaeg. & Sauerb.—On damp ground 
about trees. PikE and LEHiIGH, Rau; MONROE, Toby- 
hanna Mills, James; NORTHAMPTON, Bethlehem, Raz ; 
Easton Cemetery and Weygat, Forter; PHILADELPHIA, 
Bartram’s Garden, Mount Moriah Cemetery, Byberry, DEL- 
AWARE and CHESTER, Chester Valley, James, LANCASTER, 
Porter; CAMBRIA, Cresson, and BEAVER, James. 
Sematophyllum Mitt. 
S. tenuirostre (Br. & Sch.) E. G. Britton.—Monrok, Delaware 
Water Gap, Austin. [R. cylindricarpum (C. Muell.) Jaeg. 
& Sauerb. ] 
S. Carolinianum (C. Muell.) E. G. Britton.—On the ground 
and moist rocks. LEeHIGH and CARBON, Rau, NORTHAMP- 
TON, Bushkill Gap, and PHILADELPHIA, Wissahickon, James. 
[R. demissum (Wils.) De Not.] 
S. Marylandicum (C. Muell.) E. G. Britton.—Carson, Raw. 
[R&. Marylandicum (C. Muell.) Jaeg. & Sauerb.] 
S. delicatulum (James) E. G. Britton—On perpendicular 
rocks. McKran, Bradford, Burnett. ([R. laxepetalum (L. 
&jJ.)R.&C] 
S. adnatum (Michx.) E. G. Britton—Monrok, Buckhill Falls, 
E. G. Britton. [R. microcarpum (Brid.) Jaeg. & Sauerb.] 
S. Novae-Cesareae, (Aust.) E. G. Britton.—On damp rocks. 
CARBON, Stony Creek (fruiting), & Wolle; McKEan, Manilla 
Brook, Burnett. [R. Novae-Cesareae R. & C.] 
