49^ TRANS. ST. LOUIS ACAD. SCIENE.C 



UMBELLIFBRJE. 

 Daueus Carota, L. Spec. 



Occasionally spontaneous around gardens. 

 CONIOSELINUM CHINENSE, (L.) B. S. P. Cat. — Athamanta Chin< n- 

 St's, L. Spec. — C. Canade?i<e, Torr. t V Gray, Fl. i. p. 619. 

 Woody hillside a mile and a half east of Ames. 

 Tiedemannia rigida, (L.) C. & R. Bot. Gaz. xii. 1887. — Slum rigi- 

 dum, L. Spec. 



Sloughs; abundant. 

 Heracleum lanatum, Michx. Fl. 



Rich moist woods ; not uncommon. 

 Pastinaca sativa, L. Spec. 



Frequently spontaneous in proximity to gardens. 

 Polyt.enia Nuttall.ii, DC. Mem. Umbel. 1829. 

 Dry places; scarce. 



Field two miles and a half east of Ames. 



Foeniculum officinale, Alii. Pedena. 1785 (1795, ex Ny man's Con- 

 spectus). — Anethicm Foeniculum. L. Spec. 

 Occasionally escapes from gardens. 

 Pimpinella integerrima, (L.) Benth. & Hook. Gen. PI. 1. 1867. 

 — Smyrnium integer rimum, L. Spec. 

 Rocky woods; abundant. 

 Ckyptot.enia Canadensis, (L.) DC. Mem. Umbel. 1829. — Sison 

 Canadense, L. Spec. 

 Low woods; common. 

 BlUM ck'L't.kfolium, Gmel. Syst. ii. 1 791 . 



Sloughs; frequent. 

 Zizta a urea, Koch, Umbel. (Nov. Act. Leop. xii. 1824). 

 Low prairie ; abundant. 



Cicuta maculata, L. Spec— C. virosa, L., var. maculata, C.& R. 



Revis. Umbel. 1SS8. 

 Sloughs; abundant. 

 For remarks on this species see Greene, Pitt. i. p. 271, and ii. p. 1. 



Cir.KKoiMi yllum PBOCUMBENS, (L.) Crantz, Umbel. 1767.— Scan- 

 dix procumbens, L. Spec. 

 Low woods; infrequent. 

 Osmorrhiza Claytoni, (Michx.) B. S. P. Cat. — Myrrh-is Clay- 



toni, Michx. Fl. — O. brevistylis, DC Prod. iv. 

 Rich woods; abundant. 

 O. longistylis, (Torr.) DC. Prod. iv. — Myrrkis longistylis, Torr. 

 Fl. V. S. 



Rich woods; abundant. 

 Eryngium YUCCtEFOLIUM, Michx. Fl. 

 Wet prairie ; abundant. 



For a note on nomenclature see Greene, Pitt. i. p. 1S5. 



