,part 2] PREGLACIAL FLORAS FROM CASTLE EDEN. 117 



Carex sp. 7. (PI. VII, fig. 20.) 



Nut oval, sharply triangular; style long, curved, triangular at 

 the base, terete above ; finely pitted. 



Length (including style) = 2 - 2 mm. ; breadth = LI mm. 



Carex sp. 8. (PL VII, fig. 21.) 



Nut oval-lanceolate, plano-convex, gradually contracted into the 

 short style, shortly stipitate ; surface of oblong cells showing the 

 impression of an outer coat of large cells. 



Length = 2'l mm.; breadth=6 mm. 



Carex sp. 9. (PL VII, fig. 22.) 



Nut oblong, triangular in section, contracted rather suddenly 

 into the base and short style ; closely pitted with cells of moderate 

 size. 



Length = 2T mm. ; breadth = '9 mm. ? 



Five nuts, all much distorted, as though the walls were very 

 thin and soft. 



All the nuts of Carex are badly preserved. With the exception 

 of C. glauca I have been unable to identify any of them as British 

 species. 



Ctperacejb genus (?) sp. 1. (PL VII, figs. 23 a & 23 b.) 



Nut ovate, flattened (by pressure ?) ; style short ; outer coat 

 shining, pitted with hexagonal cells; inner coat (free from the 

 outer coat) rough, formed of cells elongate longitudinally. 



Length = l - 6 mm. ; breadth = 1 '25 mm. 



The nut has the shape of many species of Scirpus ; also the 

 structure of the coats resembles that of certain species, but in no 

 species known to me are the coats separate. The effect may be due 

 to decay. • 



Since this description was written the nut has disintegrated, and 

 the coats have come apart. 



CrPERACE^; genus (?) sp. 2. (PL VII, fig. 21.) 



Nuts much distorted and broken, triangular ; style short, terete ; 

 surface rough, almost tuberculate, of small hexagonal cells with 

 a central boss, and the impressions on them of large quadrate 

 cells belonging to an outer coat. 



Length = 1'75 mm. ; breadth = 1 mm. 



Although the shape is that of Carex nuts, I know of none with 

 so rough a coat as this species has. 



CvPERACEiE genus (?) sp. 3. (PL VII, fig. 25.) 



f Nut oval, plano-convex (or biconvex?), shortly stipitate ; style 

 short; surface somewhat rough but glistening, formed of hexagonal 

 cells having a central boss, and bearing the impression of an outer 

 coat formed of elongate cells. 



Length = L7 mm. ; breadth = - 9 mm. 



