636 



AMMIACEAE. 



Vol. II. 



I. Conioselinum chinense (L.) B.S.P. Hemlock-Parsley. Fig. 3126. 



Athamanta chinensis L, Sp. PI. 245, 1753. 



Selinum canadense Mdchx. Fl. Bor. Am. i : 165. 1803. 



C. ( ?) canadense T. & G. FI. N. A. i : 619. 1840. 



Conioselinum chinense B.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; urnbels terminal and axillary, 2'-^,' broad, 

 c)-i6-rayed; rays rather slender, ij'-2j' long; pedi- 

 cels very slender, 2"-3'" long; fruit prominently 

 ribbed, broadly oval, about 2" long. 



In cold swamps, Newfoundland to southern New York, 

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

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

 North Carolina. Aug.-Sept. 



Conioselinum piimilum Rose, of Labrador, is a smaller plant, with umbel-raya only 6"-9" long. 



19. ANGELICA L. Sp. PI. 250. 1753. 



[Aechangelica Hoffm. Gen. Umb. 166. 1814.] 



Tall erect perennial branching herbs, with compound leaves and large terminal umbels 

 of white flowers (in our species). Involucre none, or of a few small bracts, Involucels of 

 several small bracts, or sometimes wanting. Calyx-teeth obsolete or small. Petals with an 

 inflexed tip. Stylopodium depressed. Fruit ovate or oval, dorsally compressed, pubescent or 

 glabrous. Dorsal and intermediate ribs prominent, approximate, the lateral ones broadly 

 winged. Oil-tubes solitary, several or numerous in the intervals, 2-10 on the commissural 

 side. Seed-face flat or somewhat concave. [Named for its supposed healing virtues.] 



About 40 species, natives of the northern hemisphere and New Zealand. Besides the follow- 

 ing, some 18 others occur in the southern and western parts of North America. Type species: 

 Angelica Archangelica L. 



Umbels glabrous, or nearly so ; leaf-segments acute or acutish. 



Oil-tubes 1 (rarely 2-3) in the intervals; wings broader than the carpels. r. A.Curtisii. 



Oil-tubes numerous and contiguous ; wings narrower than the carpels. 2. A. atropurpurea. 



Umbels densely tomentose ; leaf-segments obtuse. 3. A. villosa. 



I. Angelica Curtisii Buckl. Curtis' 

 Angelica. Fig. 3127. 



A. Curtisii Buckl. Am. Journ. Sci. 45 : 173. 1843. 



Glabrous, or the umbels and upper part of 

 the stem slightly pubescent, 2°-3J° high. 

 Leaves biternate, the divisions quinate or 

 pinnate, the lower long-stalked, the upper 

 mostly reduced to inflated petioles; segments 

 rather thin, sometimes slightly pubescent on 

 the veins beneath, ovate, acute or acuminate, 

 sharply and irregularly dentate or incised, 

 2'-4' long; umbels 3'-6' broad, 9-25-rayed; 

 rays rather stout, iJ'-3' long; pedicels slender, 

 4"-6" long, fruit oval, glabrous, 2"-3" long, 

 emarginate at the base, the lateral wings 

 broader than the carpel ; oil-tubes solitary or 

 sometimes 2 or 3 in the intervals; seed adher- 

 ent to the pericarp. 



In woods, central Pennsylvania, south along the 

 Alleghanies to North Carolina, where it ascends to 

 6400 ft., and to Georgia. Aug.-Sept. 



