136 
IOWA ACADEMY OF SCIENCES. 
POLYGONACE^. 
Rumex crispus L. Curled Dock. Fields and waste places. 
Rumex patientia L. Patience Dock. Along a roadside near 
Leon. 
Rumex ohtunfolius L. Broad-leaved or Bitter Dock. Fields 
and meadows. Introduced with clover seed. 
Polygonum orientate L. Prince's Feather. Waste places. 
September 10, 1898. 
Polygonum incarnatum Ell. Slender Pink Persicaria. Wet 
fields and wastes. August 18, 1898. 
Polygonumlapathifoliuml^. Dock-leaved Persicaria. Fields 
and wastes. A weed. July 15, 1898. 
Polygonum punctatum. Ell. Water Smartweed. Wet soil. 
Collected several times. 
CARYOPHYLLACE^. 
Silene noctijiora L. Night -flowering Catchfly. Fields and 
wastes. Introduced In clover seed. June 27, 1902. 
Cerastium vulgatum L. Larger Mouse- ear Chickweed. Grows 
in waste places. Is not as widely distributed locally as C. longi- 
pedunculatum Muhl. 
NYMPH^ACE^. 
Nelumho lutea (Willd.) Pers. American Nelumbo or Lotus. 
In a pond near the Weldon river. July 28, 1900. 
BERBERIDACE^. 
Berberis vulgaris L. European Barberry. Occurs on the 
border of a wood southwest of Lamoni. 
CRUCIFERS. 
Camelina saliva (L.) Crantz. Gold of Pleasure. False 
Flax. One specimen found in a meadow. May 6, 1902. 
ROSACEA. 
Fragaria americana (Porter) Britton. American Wood 
Strawberry. Woods. Frequent. May, .1898. 
