54 



479 Jungermannia L. 



1 complanata L. Plaited Moss. 



2 nodifolia Torrey MS. sertularioides Mx. 



3 pinguis L. / 



4 platyphylla L. 



5 porella Dickson. Ware, Mr. E. Davis. 



6 scalaris Schwein. 



7 tamarisci Martens. 



8 tomentella Ehrh. 



9 trilobata. 

 10 tridenticulata Mx. 



480 Marchantia L. 



1 conica L. 



2 crinita Mx. 



3 cruciata ? L. Staurophora pulchella W. 



4 polymorpha L. Brook Liverwort. 



5 triceps Schw. MS. 



481 Riccia L. 



1 natans L. 



ORDER IV. 



ALGAE. 



482 Conferva L. Frog's Spittle. 



1 fontinalis L. et plures aliae. 



483 Fucus L. 



1 nodosus L. N. Haven. 



2 vesciculosus L. Do. 



484 Lemania Agardh. 

 1 fluviatilis Agardh. Turner's Falls. 



485 Solenia Agardh. 

 1 compressa Agardh. N. Haven. 



486 Spongia L. 



1 fluviatilis L. Leverett, Chesterfield &x. in ponds. Gene- 

 rally considered an animal ; but most probably it is a veg- 

 etable. Decandolle places it among the Fungi. Plnlos. 

 Plants, p. 139. 



487 Sphaerococcus Agardh. 



1 confervoides Agardh. Long Island Sound. 



