20. 



Centsurea nigra, L. Roadsides and houses it es« 



E ?.r. (Herb. JRC) . M.o. S. BB, ■ 



Chrysanthemum Leucanthemum, L. Roadsides and fields* 



B* c« :'. c 3. BB. c. 



Chrysanthemum P-arthenium, Pers» «o Uses i ■ es. 



■ B.r. coil. fl. IU S. BE» 



Cichorium Intybus, L. Roadsides. 



B- M. f. S« BB^ 



Cnicus arvensis, Hoffm- Roadsides and fields. 



B. L'.f. S. BB, 



Gnicus lanceolatus, ,,Hoffm. Fields and roadsides. 



B-o.coll.fr. ?...c S. BB* 



Gnicus mutieus, Pursh. 



>♦ o. (Herb » JF.C } . 1*. S> 



riii. 



Gnicus pumilus, Torr, Pastures. 



B.c. M.f.coll.'fl. B. BB, 



firaehtites hieracif Olia, Raf. Open damp woods. 



B.f.coll.fl. M.f. 3* f. BB. 



■ Erechtites hierac if olia, Raf. forma ambigua, BC. 



B-r. (Harb.GGK) M. S. BB, 



Eriguron annuus, Pers. Roadsides and wet places. 



B • r.i -r f . S • B -q " 



Erigeron beliidifoliug, ?,'yhl. Dry fields and open woods. 

 B.-o. coll. f 1. U- f « - L q« 



> Erigeron Canadensis, L. Roadsides and fields. 



. B. f • y,e. S> BE* 



Erigeron Philadelphipus, L« 



B.r, (Herb. JKC > - M. ' S. • BB, 



*-* 

 Erigeron strigosus, Muhl. Ro.'-dsides and fields* 



B.C. coll, fl. M.f. S. BB.o. coll.fl. 



Eupatorium ageratoides, L. Roadsides, 



B . p. | . r • S-, BB» 



Eupatorium aroniaticum$ ]j. 



B.f. (Herb.V/D) . M« o. (Kerb .MI ) . S.collfl. BB. 



Eupatorium perfoliatum, L» Swamps and meadows, 



B. .c'coll. fl. |'..f* S,o. BB« 



Eupatorium purpureum, .u. Meadows and swamps 



, I3», C« COii» i. ' ; • C • m ■* 



B3 = 



