136 OIIDKB 63. UMBELLIFER.E. 



2 E. ISaldwinfi Spr. Sts. prostrate, filiform ; rt. Ivs. wedge-oblong, st. Ivs. 3-partcd, 



pegni. lance-liu.. cut-toothed; invol. s-cales and chaff alike : hds. oblong. Fla. liX. Bine. 



3 E. prostratum Baldw. Sts. prostrate, filiform, rooting; Ivs. of two forms at the 



same node, small, some ovate, some 3-parted with lance-linear segm. ; invol. scales 



linear, longer than the small oblong heads ; fls. blue, y Swamps", Ga. Fla. 0-12'. Jn.+ 



/3. foliouwm. Bracts of the invol. leafy, twice longer than the heads. Fla. La. 



4 E. aromaticiiiii Baldw. St?. assurgent ; vs. short (10. pinnate, wit} cuspidate 



segm.. the 3 terminal largest ; hds>. globous (68") ; invol. scales 5. Dry. Fla. 918'. 



5 E. lUettauerl. Erect, tall; Ivs. linear-terete, consisting chiefly of the fistuloue, 



jointed midvein, barely winged and toothed; bracts 8 10, leafy. Wet. Fla. 4- Of. 



6 E. Virginian inn Lam. Erect; Ivs. lance-oblong to linear, flat, the lower Inn.? 



ctalked, upper uncinate-eerrate; bracts longer than the roundish head. ~u Swamps 

 2 4f. lids, in umbel-like cymes, numerous, 5 6". Varies with Ivs. all linear. Jl. A:ig 



7 E. vlrgatum Lam. Erect; Ivs. oval or oblong, thin, petiolate, dentate, the upper 



sossile ; bractfc 68, longer than the depressed, cymous heads. V. Wet, S. 2 4f. 



5. HERACLEUM, L. Cow PAUSNTP. Calyx 5-toothed. Pet. often 

 radiant in the exterior flowers, and apparently deeply 2-c'left. Fruit com- 

 pressed, flat, with a broad, flat margin, and 3 obtuse, dorsal ribs to each 

 carpel ; intervals with single vittae. Seeds flat. 11 Stout, with large um- 

 bels. Involucre deciduous. Involucels many -leaved. 



H. lanatnm L. Villous ; Ivs. ternate, petiolate, tomentous beneath ; Ifts. petioled, 

 round-cordate, lobed ; fr. orbicular. Can. to N. Car. and W. 4f. Lvs. very large. June. 



6. POLYTJENIA, DC. Calyx 5-toothed. Fruit oval, glabrous, com- 

 pressed on the back, with a thickened, corky margin. Commissure with 4 

 to 6 vitta?. Seeds plano-convex. U A smooth herb, with bipinnately- 

 divided leaves. Involucre 0. Involucel of setaceous bracts. 



P. N nttallll DC. Prairies, W. 2 3f. Smoothish. Lower leaves long-stalked. Um 

 bels 2'. Fruit 3". May. 



7. PEUCEDANUM, L. Fruit ovate, oval, or roundish, compressed 

 on the back, the margin acute or broadly winged, carpels plane or convex, 

 intervals with single vitta?. Seeds plano-convex, if Smooth, rarely 

 pubescent. Lvs. pinnately or ternately divided or decompound. Umbels 

 compound, with or without involucra. Fls. yellow or white. Fig. 238. 



5 EUFEUCEDANUM. Cal. 5-toothed. Lvs. pinnatisect. Fr. narrowly winged. Yellow... 1,2 

 ARCHEMORA. Cal. 5-toothed. Lfts. 111. narrow. Fr. narrowly winged. Fls. white. 3-5 

 PASTINACA. Calyx teeth 0. Lfts. oval. Fruit broadly winged. Flowers yellow No. 6 



1 P. foenlcnlacenm N. and other species with radical, pinnatisect leaves grow in 



Kansas, and W. (Rev. J. H. Carruth.) 



2 P. GRAVKOLEN9. Dill. Lvs. cauline, tripinnate; seg. capillary; umb. on longstallcs; fr. 



oval, flat, brown, aromatic, pungent, medicinal. @ Spain. 2f. (Anethnm, C-B.) 



3 P. rigldum Coicbane. St. rigid, striate ; Ivs. pinnate; Ifts. 3 11, lance-ovate, sub 



entire ; umb. 2 or 3. spreading, with slender rays ; fr. with large purp. vittse. li Swamps, 

 N. Y., W. and S. 2 5f. August. 

 ft. tiinbig-ua^ has the leaflets linear and entire. 



4 P. ternatuni. Stem slender, smooth; Ivs. on long petioles, ternate; segm. very 



Jong, linear, entire, 3-veined ; invol. 0-3-leaved ; Involucel 4-C-leaved. Swamps, la 

 pine-barrens, S. 2 3f. Sept. Nov. (Neurophyllum longifolium. C-B.) 



5 P. teretlfolluni. Tall, slender, smooth ; Ivs. reduced to flstular, jointed phyllodia, 



terete tapering. (5 16' long; fr. 3"; invol. 5-6-leared. v Wet, S. (TWjiannU, C-B.) 



