Genus ig. 



CARROT FAMILY. 



637 



2. Angelica atropurpurea L. 



Angelica atropurpurea L. Sp. PI. 251. 1753. 



Angelica triquinala Michx. Fl. Bor. Am. 1 : 167. 1803. 



Archangelica atropurpurea Hoffm. Umbel. 161. 1814. 



Stout, 4°-6° high, glabrous throughout, or the umbel 

 slightly rough-hairy. Lower leaves often 2° wide, 

 biternate and the divisions pinnate, the upper ones 

 smaller, all with very broad dilated petioles ; segments 

 oval or ovate, acute or acutish, rather thin, sharply 

 serrate and often incised, ii'-2' long; umbels some- 

 times 10' broad, 9-iS-rayed, the rays 2-4' long; pedicels 

 very slender, 4"-8" long; fruit broadly oval, 3"-4" long, 

 slightly emarginate at the base, the lateral wings nar- 

 rower than the carpels ; oil-tubes numerous and con- 

 tiguous ; seed becoming loose from the pericarp. 



In swamps and moist ground, Newfoundland to Ontario, 

 Minnesota, south to Delaware, Illinois and lowa^ June- 

 July. Aunt Jerichos. Archangel. Masterwort. 



Great High or Purple-stemmed Angelica. 

 Fig. 3128. 



3. Angelica villosa (Walt.) B.S.P. Pubescent or Hairy Angelica. Fig. 3129. 



Ferula villosa Walt. FI. Car. 115. 1788. 

 Angelica hirsuta Muhl. Cat. Ed. 2, 30. 1818. 

 Angelica villosa B.S.P. Prel. Cat. N. Y. 22. 1888. 



Rather slender, 2°-6° high, the umbels and up- 

 per part of the stem densely tomentose-canescent. 

 Lower leaves ternate or biternate, often 1° long, 

 the divisions pinnate, the segments thick, oval to 

 lanceolate, equally and rather finely dentate, ob- 

 tuse or obtusish, l'-2' long, upper leaves mostly 

 reduced to sheathing petioles ; umbels 2'-4' broad, 

 7-30-rayed; rays slender, I'-iJ' long; pedicels 

 about 2" long; fruit broadly oval, emarginate at 

 the base, 3" long, finely pubescent ; lateral wings 

 about as broad as the carpels ; oil-tubes generally 

 3-6 in the intervals ; seed adhering to the pericarp. 



In dry soil, Connecticut to Florida, Minnesota, 

 Tennessee and Missouri. Ascends to 3200 ft, in Vir- 

 ginia. Aunt Jerichos. July-Aug. 



Angelica sylvestris L., of Europe, which resembles 

 this species, but is less pubescent, with ovate to lanceo- 

 late acute leaflets, glabrous fruit, and oil-tubes mostly 



only one in each interval, has been found on Cape Breton Island. 



20. OXYPOLIS Raf. Neogen. 2. 1825. 

 [TiEDEMANNiA DC. Mem. Omb. 51. 1829.] 

 [Aechemora DC. Mem. Omb. 52. 1829.] 



Erect perennial glabrous marsh herbs, with clustered tuberous roots, pinnate or ternate 

 leaves, or in one species the leaves reduced to hollow jointed phyllodia, and compound 

 umbels of white flowers. Involucre of a few linear bracts or wanting. Involucels of several 

 small bracts, or none. Calyx-teeth acute. Stylopodium thick, conic. Fruit glabrous, dorsally 

 compressed, oval or obovate ; dorsal and intermediate ribs slender, the lateral ones winged, 

 strongly nerved along the inner margin of the wing, the carpels appearing as if equally 

 5-ribbed. Oil-tubes solitary in the intervals, 2-6 on the commissural side. Seed-face 

 nearly flat. 



Five known species, natives of North America. Type species : Sium rigidius L. 



Leaves all reduced to hollow usually jointed phyllodia. 

 Leaves pinnate ; leaflets linear or lanceolate. 



I. O. filiformis. 

 z. O. rigidius. 



