This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol2", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Erect biennial or perennial glabrous herbs, with pinnately decompound leaves, the segments linear or capillary, and compound umbels of yellow flowers. Involucre and involucels none. Calyx-teeth obsolete. Petals obtuse or slightly refuse at the apex. Stylopodium large, conic. Fruit linear-oblong, glabrous, terete or nearly so. Carpels half-terete, dorsally flattened, prominently ribbed; oil-tubes solitary in the intervals. Seed-face flat, or slightly concave. [Latin, diminutive of foenum, hay, from its odor.]
About 4 species, natives of the Old World, the following typical.
Fig. 3142
Anethum Foeniculum L. Sp. Pl. 263.
1753. Foeniculum vulgare Hill, Brit. Herb.
413. 1756. Foeniculum Foeniculum Karst. Deutsch. Fl 837. 1880-83.
Perennial, branched, 2°-4° high. Leaves very finely dissected into capillary segments; petioles broad, clasping; umbels large, 9-25-rayed, the rays rather stout, somewhat glaucous, 1'-3' long in fruit; pedicels 1"-4" long, slender; fruit about 3" long.
In waste places', Connecticut to Pennsylvania, Virginia, Missouri and Louisiana, escaped from gardens. Bermuda. Adventive or naturalized from Europe. Dill. Finkel. Spingel. July-Sept.
 
Continue to: