ERRATA 



PAGE 



19 line 4, for Connecticut read New Jersey 



33 line 2, for effect read affect; line 4, for procession read precession. 

 97 last line, for club rush read spike rush. 

 103 at end after Ceratium add, (figure reversed in copying). 

 127 line 4, for form read forms. 



head line, for Tetranspora read Blue-green Algae. 



line 14, for dessicated read desiccated. 



line 12, for Relicit read Relict. 



heading, for Lymph read Nymph. 



line 12, for p. 280 read p. 279. 



line 1, for p. 359 read p. 360. 



line 18, for keep it long afloat read insure that it will float. 



line 31, for fig. 134 on p 226 read fig. 223 on p. 373. 



line 27, for Siphlurus read Siphlonurus. 



line 5, for season read period. 



line 18, for Hibenaculea read Hibernacula. 



line 28, for fifty read twenty; line 29, for 59 and 100 read SO and 60. 



in legend to fig. 201 for tigrinum read punctatum. 



line 1, for eaves read leaves. 



line 6, for Siphlurus read Siphlonurus. 



add in proper order this line: 



Page 292. A Bed of Pickerel Weed. 



fig. 178 with legend reprinted below: 



