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CHARACTERS AND ABBREVIATIONS EXPLAINED. 
Time of flowering. 
Ap. April. Aug. August. 
M. “May. Sept. September. 
Ju. June. Oct. October. 
J ail: July. 
| Colour of the flower. 
r. Red. p- Purple. y. Yellow. 
». White. 5. Blue. g- Green. 
, Height of the plant. 
lf. One foot. 2 i. Two inches. 
Duration &c. 
© Annual. $ Biennial. 2 Perennial. % Woody. 
Particular Situations. 
-dp. Dry prairies. rd. Road sides. 
wp. Wet prairies. rs. Rocky situations. 
mh. Marshes. sr. Slaty ravines. 
pl. Standing pools. cr. ,Calcareous ravines. 
rb. Denuded river banks. ow. Open woods. 
bt. Bottom lands. »-oswe Dense & shady woods. 
md. Meadows. br. .'Fhe bed of rivulets. 
cf, Cultivated fields. . bg. . Shaking bogs. 

Localities. 
O. Ohio. Mar. Marietta, O, 
Ky. Kentucky. Col. Columbus, O. 
fa. Indiana. Wor. Worthington, O. 
oH. Thnois. Cin. Cincinnati, O. 
Mich. Michigan. Mi. Miami country,O. 
Tenn. Tennessee. Pit. -Platte river, Mo. Ter. 
Ark. Arkansas. C. Bl. Council Bluffs. 
‘Mo. Missouri. St. L. St. Louis. 
Mo. Ter. Missouri Ter. Miss. Mississippi river. 
~W. Western States. Intr. Introduced. 
By whom observed. 
#utt. Nuttall. Bk. Beck. St. Short. Jas. James . 
