512 



UMBELLIFERAE. 



[VOL. II. 



2. Angelica atropurpurea L. Great or 

 Purple-stemmed Angelica. ( Fig. 2636. ) 



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

 Angelica triquinala Michx. Fl. Bor. Am. i: 167. 180^. 

 Archangelica atropurpurea Hoffra. 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, i^'-2' long; umbels some- 

 times ic/ broad, 9-25-rayed, the rays 2 x -4' long; 

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

 3"-4" long, slightly emarginate at the base, the lat- 

 eral wings narrower than the carpels; oil-tubes numer- 

 ous and contiguous. 



In swamps and moist ground, Labrador to Minnesota, 

 south to Delaware and Illinois. June-July. 



3. Angelica villdsa (Walt.) B.S.P. Pu- 

 bescent Angelica. (Fig. 2637.) 



Ferula z'iliosa Walt. Fl. Car. 115. 1788. 

 Angelica hirsufa 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 tomentosc-canescent. 

 Lower leaves ternate or biternate, often i long, 

 the divisions pinnate, the segments thick, oval, 

 equally and rather finely dentate, obtuse or ob- 

 tusish, i '-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. 



In dry soil, Connecticut to Florida, Minnesota and 

 Tennessee. Ascends to 3200 ft. in Virginia. July-Aug. 



4. CONIOSELINUM Hoffm. Umb. Add. 28. 1814. 



Erect perennial glabrous branching herbs, with pinnately decompound leaves, and com- 

 pound umbels of white flowers. Involucre none, or of a few short bracts. Involucels of 

 several narrowly linear bracts. Calyx-teeth obsolete. Petals with an infolded tip. Stylo- 

 podium depressed-conic. Fruit oval or oblong, dorsally flattened. Carpels with prominent 

 approximate dorsal and intermediate ribs, the lateral ones broadly winged and conspicuous. 

 Oil-tubes mostly 2-3 in the intervals, and 4-8 on the commissural side. Seed-face slightly 

 concave, its back strongly convex. [Greek, hemlock-parsley.] 



Besides the following:, some 3 others occur in western North America. 



i. Conioselinum Chinense (L.) B.S.P. 

 Hemlock-Parsley. (Fig. 2638.) 



Athamanla Chinensis L. Sp. PI. 245. 1753. 

 Selinum Canadense Michx. Fl. Bor. Am. i: 165. 1803. 

 Conioselinum (?) Canadense T. & G. Fl. N. A. i: 619. 



1840. 

 Conioselinum CAinenseE.S.P. Prel. Cat. N. Y. 22. 1888. 



Stem terete, striate, 2-5 high. Lower leaves 

 long-petioled, the upper nearly sessile, all decom- 

 pound into linear-oblong acutish segments; petioles 

 sheathing; umbels terminal and axillary, 2 / -3 / 

 broad, 9~i6-rayed; rays rather slender, i%'-2)4' 

 long; pedicels very slender, 2 // -3 // long; fruit 

 prominently ribbed, broadly oval, about 2" long. 



In cold swamps, Labrador to southern New York, 

 south in the mountains to North Carolina, west to On- 

 tario, Minnesota and Indiana. Ascends to 5000 ft. in 

 North Carolina. Aug.-Sept. 



