138 FONTINALE^B. 



3. Jungermannia crenulata. Sm. 

 Harrow Weald Common. 



4. Lophocolea bidentata. Nees. 

 Pinner Wood. 



5. Lf. heterophylla. Nees. 

 Pinner Wood. 



6. Calypogeia Trichomanes. Cord. 

 Pinner Wood. 



7. Martinellia complanata. Gray. 

 Pinner Wood. 



8. Frullania dilatata. Nees. 

 Harrow ; Pinner Wood. 



9. Pellia calycina. Nees. 

 Harrow. 



10. P. epiphylla. Nees. 

 Harrow Weald Common. 



MARCHANTIACE^. 



i. Marchantia polymorpha. L. 

 Pinner. 



RICCIACE.E. 



i. Riccia fluitans. L. 



In pools at Harrow and Pinner. 



