654 . 
655 . 
656 . 
657 . 
658 . 
659 . 
660 . 
661 . 
662 . 
663 . 
664 . 
665 . 
666 . 
IOWA ACADEMY OF SCIENCE 
UMBELLIFERAE. 
ERYNGIUM (Tourn) L. 
Eryngium yuccifolium Michx. Button Snakeroot. Common in 
low open places. 
SANICULA (Tourn) L. 
Sanicula marilandica L. Black Snakeroot. Common in woods 
and thickets. 
Sanicula gr eg aria Bick. Clustered Snakeroot. Not rare in woods 
and thickets. 
Sanicula canadensis L. Canada Snakeroot. More scarce than 
the above. 
Sanicula trifoliata Bickn. Large Fruited Snakeroot. Rare in rich 
woods; State Quarries. . 
CHAEROPHYLLUM (Tourn) L. 
Chaerophyllum procumbens (L.) Crantz. Spreading Chervil. 
Rare in wet places. 
OSMORRHIZA Raf. 
Osmorrhiza claytoni (Michx.) Clarke. Woolly Sweet Cicely. Com- 
mon in woods. 
Osmorrhiza longistylis (Torr) DC. Smooth Sweet Cicely. Scarcer 
in woods. 
CICUTA L. 
Cicuta maculata L. Water Hemlock or Musquash Root. Rare in 
bogs and marshes. 
CARUM L. 
Carum carvi L. Caraway. Escaped and apparently thoroughly 
established. 
SIUM (Tourn) L. 
Sium cicutae folium Schrank. Water Parsnip. Not uncommon in 
marshy places. 
CRYPTOTAENIA DC. 
Cryptotaenia canadensis (L.) DC. Honewort. Common in wood- 
lands. 
ZIZIA Koch. 
Zizia aurea (L.) Koch. Golden Alexanders or Meadow Parsnip. 
Common in woods, fields and waste places. 
