Linn, names, 



4 nasuta 



5 undulata 



6 gravis 



7 rugulosa 



8 obliqua 



9 ambigua 



10 rigida 



11 praelonga 



12 angulata 



SOLEN. 



Engl, names. 

 lancet-shaped 



dark-streaked 



heavy 



green, wrinkled 



oblique 



doubtful 



rigid 



lengthened 



Synon. $ Ref. Habitat. 



Au.Cab. N. Amer. Fr.w. 



Br.Mus. 



sharp-cornered M.Cab. S. America. Fr.w. 



RAZOR. 



Br.Mus. 



Sardinia, 

 u. 

 New Holland. 



M.Cab. 



Br.Mus. 



Brazil. 

 New Holland, 

 u. 



b 2 



