

tJMBELLIFERE. 55 



leaves spreading and sheathing. Leaves very large ; leaflets 

 broadly heart-shaped, deeply lobed. Low wet meadows. 



5. PASTIXA'CA, Tourn. PARSNIP. 



P. sati'va, L. (Peucedanum sativum, Benth. and Hook., in 

 Macoun's Catalogue.) (COMMON PARSNIP.) Found wild in old 

 fields and along roadsides. Leaflets shining above. 



6. ARCHEM'ORA, DC. CoWBANE. 



A. rig'ida, DC. Calyx 5-toothed. Involucre almost none ; 

 involucels of many small bractlets. Sandy swamps, south- 

 western Ontario. 



T. ARCHANCcEI/ICA, Hoftrn. ARCHANGELICA. 



A. atropurpu'rea, Hoffm. (GREAT ANGELICA ) Stem very 

 tall (4-6 feet) and stout, dark purple. Whole plant strong- 

 scented. Petioles much inflated at the base. Marshes and low 

 river-banks. 



8. CONIOSEM'NUM, Fischer. HEMLOCK-PARSLEY. 



C. Canadense, Torr. and Gr. (Selinum Canadense, Michx., in 

 Macoun's Catalogue. ) Stem 2-4 feet high. Petioles much inflated. 

 Leaflets of the involucels awl-shaped. Swamps. 



9. THASPIUM, Nutt. MEADOW-PARSNIP. 



T. au'reum, Nutt. Stem 1-2 feet high, angular-furrowed. 

 Leaflets oblong-lanceolate, sharply serrate. Fruit with 10 winged 

 ridges, or in var. aptenim with 10 ribs. Dry or rich woods. 



10. ZIZIA, DC. ZIZIA. 



Z. integer'rima, DC. (Pimpinella integerrima, Benth. and 

 Hook., in Macoun's Catalogue.) Stem slender, 1-2 feet high. 

 Involucels none. Plant strong-scented. Rocky hill-sides. 



11. CICU'TA, L. WATER-HEMLOCK. 



1. C. macula'ta, L. (SPOTTED COWBANE. BEAVER POISON.) 



Stem 3-6 feet high, purplish, smooth. Leaflets ovate-lanceolate, 

 coarsely serrate, pointed. Swamps and low grovinds. 



2. C. blllbif'era, L., is easily distinguished from No. 1 by 

 bearing clusters of bulblefs in the axils of the upper leaves. The 

 leaflets, also, are linear. Swamps and low grounds. 



