COMPOSITE FAMILY. Compositse. 



Aster 



tenuifoUus 

 Lilac=purple 

 September- 

 October 



A species confined to tlie salt marshes of 

 the coast from Massachusetts southward. 

 Stem very smooth and generally zig- 

 zagged. The few leaves long linear, taper- 

 ing to both ends, toothless, and thick or 

 fleshy. The rather large flowers an inch broad or more, 

 lilac-purple or paler, borne on a generally simple or 

 slightly branched stem. 8-25 inches high. 



, , , A species similarly confined. The leaves 



Aster subiilaf us ,. , , , , . , ^ 



Pale purple linear lance-shaped, toothless, and flat, 



August- those on the branches very small and awl- 



October shaped. The numerous, very small pale 



purple flowers with very short rays scarcely extending 

 beyond the disc ; the disc-florets purplish. 6-24 inches 

 high. N. H. and Mass. to Va. 



A very common annual iveed, and the 

 most unattractive member of the genus. 

 The white and green flower-heads are ex- 

 tremely small, \ inch long ; the rays do 

 not spread, but connect in the form of a 

 cylinder. The dark green leaves are lin- 

 ear, remotely toothed or toothless, and the upper ones 

 are often cut-lobed. The bristly hairy stem is 1-7 feet 

 high. In barnyards and waste places everywhere. 



An annual and asterlike species with 

 a spreading - haired stem and coarsely 

 toothed, lance-shaped leaves, the lower 

 ones broader. The white or pale lilac 

 flower-heads are about | inch broad, with 

 a green-yellow disc. 1-4 feet high. A 

 common weed northward in waste places. 

 Me., west to S» Dak., and south to Va, 



A singular common species ; the hairs not 

 spreading but close to the stem. The light 

 green leaves are linear and toothless or 

 nearly so, the lower ones broad at the tip. 

 The little daisy like flowers are ^ inch 

 broad, with a large green yellow disc ; oc 

 casionally the white rays are lilac-tinged, and sometimes 

 they are extremely short or altogether absent. 1-2 feet 

 high. Common in fields and on roadsides everywhere 



498 



Horseweed or 

 Butterweed 



Erigeron 

 Co'iadensis 

 White=green 

 June-October 



Sweet Scabius 

 or Daisy 

 Fleabane 



Erigeron 

 annuus 

 White or lilac 

 June- 

 September 



Daisy Fleabane 



Erigeron 

 strigosus 

 White 

 May- 

 September 



