92. Umbelliferae 173 



3. Mature iVuil ellipsoid, 6-7 nun iont^; pedicels of the staminate 

 flowers slender, 4 mm long, tipped with the conspicuous per- 

 sistent beak-like calyx; woods in the n. part of the state. 

 June-July. Large-fruited Snakeroot S. trifoliata Bickn. 



5. Osmorhiza Raf. — Sweet Cicely 



( Washingtonia Raf.) 



1. Styles and .stylopodium 1-1.5 mm in length, not longer than the 

 petals; stems and petioles villous; woods, common. Apr. -June. 

 [O. brevistylis TiC] O. claytonii (Michx. ) Clarke 



1 . Styles and stylopodium 2-4 mm long, exceeding the petals ; stem 

 and petioles glabrous or pubescent; woods, common. Apr. -June. 

 [O. longistylis var. villicaulis Fern.; O. longistylis var. brachy- 

 coma Blake] O. longistylis (Torr.) DC. 



6. Cryptotaenia DC. — Honewort 



C. canadensis (L.) DC. Woods, common throughout 111. June- 



July. 



7. Erigenia Nutt. — Harbinger-of-spring 



E. bulbosa (Michx.) Nutt. Woods, locally throughout 111., except 

 the northwestern counties. Mar. -May. 



8. Perideridia Reichenb. 

 {Eulophus Nutt., non R.Br.) 

 P. americana (Nutt.) Reichenb. Thickets and edges of woods, 

 local; rare in the southern counties. July. 



9. Berula Hoflfm. — Water Parsnip 



B. incisa (Torr.) G.N.Jones. Swamps, not common; Kane, 

 Mason, Peoria, Tazewell, and Woodford counties. July-Sept. [B. 

 erecta sensu Cov., non Slum erectum Huds. ; B. pusilla (Nutt.) Fern.j. 



10. Carum L. — Caraway 



C. carvi L. Waste ground, and roadsides; escaped from cult.; nat. 

 from Eur. July-Sept. 



1 1 . Chaerophyllum L. — Chervil 

 1. Fruits broadest near the middle; plants usually glabrous or sparse- 

 ly pubescent; moist ground, common. Apr. -May 



C. procmnbens (L.) Crantz 



1. Fruits broadest below the middle; plants densely pubescent; moist 

 or dry sandy soil, rare; s. 111. Mar. -May C. tainturieri Hook. 



12. Falcaria Host. 



F. sioides (Wibel) Aschers. Schuyler Co., R. 7'. Rexroat in 1955. 

 Native of Eurasia. 



