207 PRELIMINARY CATALOGUE OF PLANTS. 



Callithamnion, Lyngb. 

 C. tetragonum, Ag. 

 C. Baileyi, Harv. 

 C. Borreri, Ag. 

 C. polyspermum, Ag. 

 C. byssoideum, Arn. 

 C. Dietziaa, Hooper. 

 C. corymbosum, Ag. 

 C. versicolor, Ag. 

 C. plumula, Lyngb. 

 C Amerioanum, Harv. 

 C. cruoiatum, Ag. 

 C. Turneri, Ag. 



MELANOSPORM. 

 Sarg'assum, Ag. 



S. vulgare, Ag. 



Fucus, L. 



P. nodosus, L. "Eockweed." 

 F. vesiculosus, L. "Rockweed." 



Laminaria, Lam. 



Li. saccarhina, Lam. " Kelp.'' 



Stilophora, Ag. 

 S. rhizodes, Ag. 

 S. papillosa, Ag. 



Striaria, Grev. 



S. attenuata, Grev. 



Chorda, Lam. 



C. filum, Stack. 



Chordaria, Ag. 



C flagelliformis, Ag. 

 C. divaricata, Ag. 



Oastagnea, Thuret. 

 C. virescens, Thuret. 

 C. Zosterse, Thuret. 



Leathesia, Gray. 



L. tuberformis, Gray. 



