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Starch granules possessing all five diagnostic characteristics, assigned to S. jamesii. Nomarski optics (Top): Str. 4k (10,900–10,100 cal BP, GS tool 4856) (A and B) and Str. 5t (9,300 cal BP, GS tool 3607.2) (C). Brightfield and polarized (Middle and Bottom): Str. 5u (8,800–8,500 cal BP, GS tools 2672, 2667.1, 2347) (D–H) and Str. 6d (6,900 cal BP, GS tool 1719.2) (I). Panels with the same letter are images of the same granule in brightfield (Middle) and polarized (Bottom).
