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COMPOSITE FAMILY. 177 
mo 4 feet high, usually much branched or bushy. Leaves 2-4 0r 5 inches long ; 
inch to —a gage half long. heads small, numerous, in ter- 
Mninal leaders oe ae Pistillate fone solitary or clustered along the lower part 
= the “fay emporoge er Asap wbatagres or in the axils of the upper leaves ; sometimes 
heads sencleenk-gitiiiten $3 occurring in which the ¢erminal racemes (or rather 
partion as en as the clusters pamenth, ar e all pinillate, and and the flowers in small sessile 
-bracteate clusters. 
eres fields and pastures: Canada to Florida, Fl. August-September. Fr. Oute- 
a Jt U8. The Great. Ragweed (Ambrosia trifda), upper portion ii i Feduesd fa 
