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'^ COMPOSITiE. 125 



the outer of short and rigid bristles. Bays white. Stem 

 smooth, leafy to the top, tall, simple. Leaves lanceolate, 

 lon^-pointed. Heads small, very numerous, in compound 

 flat corymbs. — Moist thickets. 



88. EBIG'ERON, L. Fleabane. 



1. E. Canaden'sis, Ji. (Horse -weed. Butter -weed.) 

 Bays white, but very inconspicuous, shorter than their tubes. 

 Heads very ^mall, numerous, in pauicled racemes. Stem 

 1-5 feet ^igh, erect and wand-like, bristly-hairy. Leaves 

 linear, mostly entire. — Common in burnt woods and new 

 clearings. '■ ~ 



2. E. aeris, L. Eays purplish or bluish, about the same 

 length as the copious simple pappus. Heads several or , 

 many5 small, at length corymbose, hirsute. Stem 10-20 

 inches high, pubescent or smoothish. Leaves mostly lance- 

 olate, entire. A set of pistillate flowers within the circle of 

 rap-flpvxrs.—iA.tl. Prov. and N. W. 



3. E. bellidifo'lius, Muhl. (Robin's Plantain.) Kays 

 bluish-purple, numerous. Heads medium-sized, few, on 

 slender corymbose peduncles. Stem hairy, producing offsets 

 from, the base. Radical leaves spathulate orobovate, toothed 

 above the middle ; stem-leaves oblong, /etc, sessile or partly 

 clasping, entire.^-Thickets. 



4. E. hyssopifo'lius, Michx. Says rose-purple or whitish. 

 Stem slightly pubescent, slender, 6-12 inches high, from 

 slender rootstocks. Leaves very many, short, linear. Heads 

 small, terminating the slender naked branches. Pappus 

 simple. — Atl. sea-coast and northward. 



5. E. CSespitO'SUS, Nutt. Stem dwarf, tufted, from a 

 stout rootstock, more or less hoary-pubescent. Rays white, 

 ■10-50, narrow.— N. W. 



6. E. Philadel'phieus, L. (Common Fleabane). Rays 

 rose-purple, very numerous and narrow. Heads small, few, 

 in corymbs. Stem hairy, with numerous stem-leaves. 

 Radical leaves spathulate and toothed ; the upper ones 

 clasping by a heart-shaped base, entire. — Moist grounds. 



