58 
IOWA ACADEMY OF SCIENCE 
BERBERIDACEAE. 
PODOPHYLLUM L. 
418. Podophyllum pelt at um L. May Apple. Abundant in open woods. 
CAULOPHYLLUM Michx. 
419. Caulophyllum thalictroides (L.) Michx. Blue Cohosh or Pap- 
poose Root. Locally plenty in woodlands. 
BERBERIS (Tourn) L. 
420. Berberis -vulgaris L. Common Barberry. Cultivated and spar- 
ingly established. 
PAPAYERACEAE. 
SANGUINARIA (Dill) L. 
421. Sanguinaria canadensis L. Bloodroot. Abundant in woodlands. 
ARGEMONE L. 
422. Argemone mexicana L. Prickly Poppy. Rarely found along rail- 
ways but not persisting. 
FUMARIACEAE. 
ADLUMIA Raf. 
423. Adlumia fungosa (Ait.) Greene. Climbing Fumitory. Cultivated 
and rarely established. 8 
DICENTRA Bernh. 
424. Dicentra cucullaria (L.) Bernh. Dutchman’s Breeches. Very 
common in low woodlands. 
CORYDALIS (Dill) Medic. 
425. Corydalis micrantha (Engelm) Gray. Small Flowered Corydalis. 
In sandy soils. 
426. Corydalis curvusiliqum (Engelm) Kuntze. Curved-fruited Cory- 
dalis. Common in sandy soils. . 
