326 Karl M. Wiegand and Arthur J. Eames 



Vt. to Pa. Naturalized from Eu. 



In Britton and Brown's 111. Fl., the generic name Hipposelinum (Daler.) Britton 

 & Rose is employed, but without comment. 



[Anethum (Tourn.) L.] 



[A. GRAVEOLENS L. DlLL. 



Occasional about the C .U. campus and on the Ithaca flats, in rich waste soil, 

 but not established. 



Native of Eu. Seeds accidentally scattered.] 



14. Heracleum L. 

 1. H. lanatum Michx. Cow Parsnip. 



Roadsides and stream banks, in rich alluvial or gravelly, mostly slightly cal- 

 careous, soils ; infrequent. Fr. July. 



"Not uncommon up the Neguaena valley to Newfield" (D.\) ; Spencer St., toward 

 Buttermilk Glen; Renwick woods; Indian Spring marsh (D.) ; e. of Freeville; 

 Salmon Creek valley ; and elsewhere. 



Lab. to Alaska, southw. in the mts. to Ga., Nev., Kans., Utah, and Calif.; rare 

 or absent on the Atlantic Coastal Plain. A northern species. 



15. Imperatoria (Tourn.) L. 



1. I. OSTRUTHIUM L. MASTERWORT. 



In an old orchard one-half mile s. of North Spencer station, 1915. Fr. July. 

 Escaped from cultivation and locally established in the eastern U. S. Native of Eu. 



16. Conioselinum Fisch. 

 1. C. chinense (L.) BSP. (Selinum Canadense of Cayuga Fl.) Hemlock Parsley. 



Wet shaded cliffs in ravines, and in swamps and boggy woods, in calcareous soils; 

 frequent. Fr. Sept. 15-Oct. 



Michigan Hollow Swamp (D. !) ; Enfield Glen; Coy Glen; Cascadilla Glen (D. in 

 C. U. Herb.); Fall Creek, below Beebe Lake; "in all larger glens" (D.) ; 

 Fir Tree Swamp, Freeville (D. !) ; Mud Creek, Freeville (D. !) ; McLean B'ogs 

 (£>.!); Beaver Brook (£>.!). 



Newf. to Minn., southw. to Pa., Ind., and in the mts. to N. C. ; infrequent or rare 

 on the Coastal Plain. 



17. Angelica L. 



a. Leaflets thick, small, 2.5 cm. wide or less ; stems rather slender, pubescent above ; 



umbels and fruit pubescent. 1. A. villosa 



a. Leaflets thin, large, 3-7 cm. wide ; stems very stout, usually purple, glabrous ; 



umbels and fruit glabrous; petioles much dilated. 2. A. atropurpurea 



1. A. villosa (Walt.) BSP. (Archangelica hirsnta of Cayuga Fl.) 



Dry sandy or gravelly open woodlands, in the more acid soils ; frequent. Fr. 

 Sept.-Oct. 



- In the ericaceous-chestnut soils of the hills w., s., and s. e. of Ithaca, on the 

 crests of the ravines, and in the sandy regions n. of Cayuga Lake: pinnacles of 

 Caroline (D.) and Danby {DA); Newfield hills; Connecticut Hill; Enfield Glen; 

 Coy Glen; South Hill, near the marsh; s. w. shore of Cayuga Lake; "Case. Woods 

 and near all the ravines" (D.) ; Renwick slope; Turkey Hill (D.) ; sandy woods 

 e. of Newton Ponds. Absent in the McLean region and on the clays and richer 

 soils back from the lake shores. 



W. Mass. to Minn., southw. to Fla., Term., and Mo. ; frequent on the Coastal 

 Plain. 



