IOWA ACADEMY OF SCIENCE 
77 
TAENIDIA Drude. 
667. Taenidia intergerrima (L.) Drude. Yellow Pimpernel. Com- 
mon in dry woods. 
THASPIUM Nutt. 
668. Thaspium barbinode (Michx.) Nutt. Hairy- jointed Meadow Par- 
snip. Common in moist soils. 
PASTINACA L. 
669. 
670. 
671. 
672. 
673. 
674. 
Pastinaca sativa L. Wild Parsnip. Commonly established in old 
fields. 
ANETHUM (Tourn) L. 
Anethum graveolens L. Dill. Established and persistent at Iowa 
City. 
HERACLEUM L. 
Heracleum lanatum Michx. Cow Parsnip. Common in moist 
wooded places. 
OXYPOLIS Raf. 
Oxypolis rigidior (L.) Coult & Rose. Cowbane. Scarce in marshy 
places. 
POLYTAENIA DC. 
Poly taenia nuttallii DC. Poly taenia. Rare in dry open woods ; 
Cedar Twp. 
ANGELICA L. 
Angelica atropurpurea L. Purple-stemmed Angelica. Scarce in 
swamps and marshes. 
DAUCUS (Tourn) L. 
675. D ancus carota L. Wild Carrot. Not scarce in fields. 
CORNACEAE. 
CORNUS (Tourn) L. 
676. Cornus circinata L’Her. Round-leaved Dogwood. Not uncommon 
in rocky woods. 
677. Cornus amomum Mill. Kinnikinnik. In wet places, especially 
along streams. 
678. Cornus asperifolia Michx. Rough-leaved Dogwood. Scarce in 
sandy soil. 
