1887.] NATURAL SCIENCES OF PHILADELPHIA. 71 



28. Carex trichocarpa, Mulil. 



Monroe, Water Gap, Knipe; Bucks, (Moyer's Cat.); Lancas- 

 ter; Franklin; Centre, ^oecHwy; Elk, Jibilfmn. 



29. Carex riparia, W. Curtis. (C lacmtris, Willd.) 



Wayne, Garher ; Bucks, Garber ; Delaware, Tiiiicum, J.. ^. 

 Smith ; TiOGA, Garher ; Elk, 3fc3Iinn. Rare. 



30. Carex Buxbaumii, Wahl. 



Lehigh, near Mountainville ; Bucks ; Lancaster ; Franklin. 

 Rare. 



31. Carex vulgaris, Fries. 



Monroe, Water Gap, Knipe; Centre, McMinn. Very rare. 

 Its southern limit. 



32. Carex aquatilis, Wahl. 



Erie, Presque Isle, Guttenherg. 



33. Carex stricta, Lamarck. 



Wayne, Garber ; Monroe ; Northampton ; Chester, (F1. 

 Cestr.); Berks, Garber; Lancaster; Franklin; Elk, J/cMnw. 

 Very common and variable ; growing in marshy places in tussocks, 



34. Carex aperta, Boott. 



Bucks, Moyer, Fretz ; Lycoming, A. H. Smith, McMinn. Rare. 



35. Carex torta, Boott. 



Northampton, i^ioi ; Bucks, Nockamixon Rocks; Chester, Can- 

 by; Franklin; Perry-, Garher; Sullivan, on the Loyalsock, 

 C. E. Smith; Huntingdon; Blair, Burgoon's Gap ; Clearfield, 

 Sandy Lick, McMinn ; Elk, McMinn. Along the margins and 

 often in the beds of rivulets, in shaded, rocky ravines. Sometimes 

 the fertile spikes are much crowded and much branched (var. com- 

 posita, Porter), giving the plant a singular appearance, as if, to use 

 the phrase of Mr. Canby, it had "run mad." 



36. Carex prasina, Wahl. ( C. miliacea, Muhl.) 



Northampton ; Bucks, (Moyer's Cat.) ; Philadelphia, Dr. J. 

 Leidy ; Chester, (F1. Cestr.); Berks, Dr. J. P. Hiester; Lan- 

 caster ; Sullivan, A, H. Smith ; Elk, McMinn. 



37. Carex crinita, Lamarck. 



Monroe ; Northampton ; Bucks, (Moyer's Cat.) ; Chester, 

 (Fl. Cestr.) ; Lancaster ; Elk, McMinn. 



38. Carex crinita, Lam., var. gynandra, Schw. and Torr, 



Wayne, Garher; Lackawanna; Luzerne, Garber; Monroe, 

 Pocono; Schuylkill; Northampton, Seidersville, i?. G.Bechdolt; 

 Chester, Landenberg, Canhy ; Tioga, Garher ; Clearfield, 



