Wolffia papulifera C.H.Thomps.

PLANTS OF MARYLAND
nurr
Lomr ourfam hemispherical in mm Motion,
nearly lacking ohlorophyll. TJpper surface
flattish, rising to a low aoutish papilla not
at »riddle bat a little toward the sac end,
bright rather light groan dotted with g|w>
what shining light «tU». Dm V* «flit)! ins
with it U larger, lightar groan, snbglobooe,
and *nch »oro loosely oellnlar.
U-' ^
. •
03700902
Wolffia papulifera C. H. Thomps•
In standing water in swamp, near where
old RR. line to Chesapeake Beach crossed
Lyons Creek, ca* 1 1/2 miles ffif. of
Chaney, Calvert Co*
S. F. Blake 12U87
July /«'/
03700902