244 ON TRAPA NATANS, 
fossil species found in the miocene strata of the peninsula of Alaska 
and named by Heer (‘Flora fossilis Alaskana,”’ in Vet. Akademiens 
n ‘ nn. 
at., veme ser., 9, p. 223, pl. 12, figs. 1—6), though the 
length of it exceeds by far that figured by this author, and it is to be 
seen on fruits so very small that they seem to be onl 
em 0 a fe 
Breslau, Leipsic (the Bot. Garden), Altenburg, and Munich (the 
Garden), in Germany ; Versailles, Angers, and Rouen (Bot. Gard.), im 
France; and from the Ukraine. But generally the fruits from all 
these localities agree very well with one another, and also with the 
figures I have seen, and therefore I believe it to be probable that 
maining, and the hard endocarp is very much corroded and uneven. 
Tn shape they are intermediate between the fruit of the form from 
