438 ORDER 70. COMPOSITE 



late bracts ; hds. corymbous ; ach. silky-pubescent. Del to Flo., common in tho 

 pine woods. Sts. 1 to 2f high. Branches usually 1 -flowered. Hds. 5 to 6" long 

 and wide. Pappus tawny-white. JL Oct. (C. argentea Nutt.) 



2 C. oligantha Chap. Canescent with long silky hairs; Ivs. lance-linear and 

 linear, erect, entire, tapering to both ends; st. above, nearly naked; hds. few, 

 large; pappus white; ach. silky-villou-s.S. W. Ga. and Fla., in damp pine 

 woods. Height 1 to 2f. Hds. 1 to 6, a third larger than in No. 1. Bays spread- 

 ing 14 to 17", appearing in Apr. and May. 



3 C. pinifolia Ell. Glabrous, rigid; Ivs. narrowly linear, rigid, erect, crowded, 

 the upper setaceous; hds. solitary, terminal, corymbous; ach. villous; pappus 

 reddish-brown, the outer scale-like, whitish. Sandy hills, middle Ga. St. 1 to 2f 

 high. Hds. nearly as large as in No. 2. Lower Ivs. 3 to 5' long. Sept., Oct. 



4 C. falcata Ell. Woolly and villous ; Ivs. sessile, linear, very acute, subfakate, 

 spreading, veins pilous on both sides ; hds. small, in axillary corymbs ; invol. pil- 

 ous. A low, leafy plant, in dry, sandy soils, near the sea, Mass, to N. J. St. 

 thick, leafy, about 8' high. Hds. small, bright yellow, in crowded, paniculate 

 corymbs. Rays 3-toothed at the apex. Sept., Oct. (Inula falcata Ph.) 



5 C. Mariana Nutt. Silky-arachnoid; Ivs. oblong-lanceolate, subentire, smooth 

 when old ; the upper sessile, acute, the lower spatulate and generally obtuse ; 

 corymb simple; scales acute, viscidly -pubescent ; rays 15 to 20. Sandy barrens, 

 N. J., Md. to Fla., common. St. and Ivs. clothed with scattered, long, silky,' de- 

 ciduous hairs. Plant about 2f high. Lvs. 1 to 2' long. Corymbs somewhat um- 

 beled; hds. few, large, 16 to 20-rayed, yellow, on viscid-glandular peduncles. 

 Aug. Oct. (Inula Mariana L.) 



6 C. villosa Nutt Erect, leafy, villous-pubescent, and strigous ; Ivs. entire, ses- 

 sile, ciliate towards the base, lower ones oblong-spatulate, upper oblong-linear or 

 lanceolate; hds. large, solitary, and terminal, somewhat fastigiately corymbous ; 

 scales linear-subulate, strigous; rays 20 to 30. Prairies, 111. to Or. St. 1 to 2f 

 high. Lvs. 1 to 2' by 3 to 5", whitish and rough. Rays oblong-linear, entire, 

 golden-yellow. Jl. Sept. (Amellus Ph. Diplopappus Hook.) 



7 C. gossypina Nutt. Clothed throughout with a cottony tomentum ; Ivs. oblong, 

 obtuse, entire, the lower spatulate, upper sessile; hds. solitary, corymbous; scales 

 woolly ; pappus tawny, the outer bristle- for in, white. Va. to Fla., in the bar- 

 rens. St. 1 to 2f high. Lvs. 1 to 2' long. Hds. .larger than in No. 5, with 

 about 25 rays. Aug. Oct. 



8 C. trichophylla Nutt. Clothed with long, weak hairs below, nearly glabrous 

 above ; Ivs. narrowly oblong, obtuse. Otherwise as in No. 7. N. Car. to Fla. and 

 La., in dry soils. Aug. Oct. 



32. CONY ZA, L. GNAT-BANE. (Gr. KWVCJI/;, a gnat; the plant was 

 supposed to expel gnats and fleas.) lids, discoid ; flowers all tubular, 

 those of the margin ; of the centre $ or ; scales in several rows ; re- 

 ceptacle flat or convex ; achenia compressed ; pappus one row of capil- 

 lary bristles. Herbs chiefly tropical. Fls. yellow. 



C. simiata Ell. Hairy and cinerous-pubescent ; lower Ivs. sinuate-lobed, acute, 

 middle repand-dentate, upper linear, entire ; hds. paniculate ; fls. white, all fer- 

 tile ; ach. oblong, almost glabrous. Charleston, S. C. and Savannah, Ga (Pond), 

 common " appearance of an Erigeron," (Elliott.) St. a foot or more high. Lvs. 

 narrow, 12 to 18' long. Florets very numerous (100 or more) in each head. 

 Pappus pale cinnamon color. Apr. JL 



33. IN'ULA, L. ELECAMPANE. (Ancient Lat. name.) Heads 

 many-flowered ; involucre imbricate ; ray-flowers numerous, $ , disk- 

 flowers ; receptacle naked ; pappus simple, scabrous ; anthers with 2 

 bristles at base. 2 Coarse European herbs, with alternate leaves and 

 yellow flowers. 



Helenium L. Lvs. amplexicauL, ovate, rugous, downy beneath; invol. scales 

 ovate. Herb coarse-looking, in pastures and roadsides. N. Eng. to HI. Stem 4 



