180 



MIDDLESEX FLOEA. 



Native. 



Naturalized, 



Adventive, 



Filices . . . , 

 Lycopodiacese 

 Isoetse . . . 

 MarsiliaceEe . 

 Musci ... 

 Hepaticse . . 

 Characeae . . 

 Algas .... 

 Lichens . . . 

 Total . 



34 



8 

 6 



134 



16 



10 



191 



131 



746 



1472 



6 



1 

 13 

 15 



129 



200 



245 



40 



8 



7 



1 



140 



16 



11 



204 



146 



2061 



