IOWA ACADEMY OP SCIENCE 
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CLEMATIS L. 
406. Clematis virginiana L. Virgins Bower. Common in thickets. 
407. Clematis pitcheri T. & G. Sim’s Clematis or Leather Flower. 
Common in sandy soil along Iowa River. 
ISOPYRUM L. 
408. Isopyrum bit'ernatum (Raf.) T. & G. False Rne Anemone. Plenty 
in woodlands. 
CALTHA (Rupp) L. 
409. Caltha palustris L. Marsh Marigold or Cowslip. Common in 
bogs and marshes. 
AQUILEGIA (Tourn) L. 
410. Aquilegia canadensis L. Columbine. Common in woods, espe- 
cially in rocky places. 
DELPHINIUM (Tourn) L. 
411. Delphinium tricorne Michx. Dwarf Larkspur. Not rare. 
412. Delphinium azureum Michx. Pale Larkspur. Common in fields 
and open places. 
413. Delphinium penardi Huth. Prairie Larkspur. Rather scarce in 
fields, thickets and open woods. 
ACTAEA L. 
414. Actaea rubra (Ait.) Willd. Red Baneberry. In woods, quite 
plenty. 
415. Actaea alba (L.) Mill. White Baneberry. In woods, less com- 
mon. 
MAGNOLIACAEAE. 
LIRIODENDRON L. 
416. Liriodendron tulipifera L. Tuliptree. Cultivated ; Iowa City. 
MENISPERMACEAE. 
MENISPERUM (Tourn) L. 
417. Menispermum canadense L. Moonseed. Common in woods and 
thickets. 
