HEPATIC^. 



Order I. RICCIACE^. 

 1. RICCIA, Micheli. 



1. R. arvensis, Aust., Phil. Acad. Sc. XXI. 232. 



On damp earth which has been covered by spring floods east 

 side of Leamy's Lake near Hull, Que., Sept., 24th' isfg. (mL^^^ 



2- R. lutescens, Schwein 



On the borders of muddy pools east of Belleville, Hastings Co., 

 Ont., Aug. 13th, 1868. (Macoun.) ' 



3- R. Austinii, Steph. 

 Ontario. {Ufiderwood) 



4. R. fluitans, Linn. 



Very abundant in Patterson's Creek, Ottawa, Ont.; in the creek 

 m the beaver meadow, west of Hull, Que.; very abundant m the 

 marshes along the Bay of Quinte at Belleville, Ont., and on the 

 south s,de of Massasauga Point, August 1st, 1873 ; in an old canal 

 between Pomt Edward and Sarnia, Ont., August 14th, 1901 • com- 

 monmapoolatSicamous,B.C. {^Macoun.) In stagnant water 

 near the round-house, Montrose, Ont., July, 1897. {R. Cameron) 



5. R, Sullivantii, Aust. 



On the muddy borders of pools east of Belleville, Hastings 

 Co., Ont., July i6th, 1871 ; on a mud flat near McAdie's mill. 

 Kennebec, Addmgton Co., Ont., July nth, 1870. {Macoun.)- 



6- R. sorocarpa, Bisch. 



Scoresby Sound, East Greenland, Lat. 70° 15'. {C. Jansen.) 



