268 MISSOURI STATE HORTICULTURAL SOCIETY. 



The wahoo elm {ulnus alata) and bumeJia occur in Missouri bluffs 

 east of Jefferson City and abound on Magnesian limestone hills in 

 south Missouri, but is not found in north Missouri. 



The aspen {populus treimhoides) is found in Adair, Chariton anda 

 few other northern counties. 



The cypress grows in the swamps of southeast Missouri. 



The black gum is very common in southeast Missouri, growing 

 chiefl}'^ on uplands. The sweet gum becomes common south of Madison 

 county, and the sour or tupelo gum grows in the swamps of the south- 

 east. The catalpa is found on St. Francois river in Madison county. 

 Further south it is common. Hercules club {Aralea spinosa) is found 

 in Madison coucty and southeast. The yellow poplaror tulip tree is not 

 found wild north of Madison county. Rhamnus Carolinians is found 

 from Jefferson county southwardl3^ The chincapin ( Castanea punula) 

 I have found growing wild in Benton county, Arkansas. It may there- 

 fore be looked for in extreme southern Missouri. Several species of 

 huckelberry are found in southern Missouri, but are not found in north- 

 west and rarely in northeast ^Missouri. In north Missouri it is found 

 in Pike, Lincoln, Montgomery, and south of the Missouri river in 

 Cooper, Henry and southwest, but not north or west of that line. 



A species of Viburnum is locally found in Monroe and probably 

 other counties of north Missouri. 



PteleaTiifoUata occurs in the woodlands of Eastern Missouri, but 

 I do not know of its occurrence west of a line passing through Cole 

 and Vernon, although there is an isolated occurrence of it at Lane, in 

 Franklin county, Kansas. 



TheAealea nudeilora^ a beautiful early spring bloomer, is found in 

 Southeast Missouri. 



The witch hazel is only found in southeast Missouri. 



I will now pass lightly over the occurrence of certain 



SMALLER AND CHIEFLY ANNUAL PLANTS. 



Of these a volume could be written. 



Forty years ago there were no blue grass pastures in Missouri, and 

 the grass was only seen in yards around dwellings, and did not spread. 

 The wild plants had to be destroyed, which was only a gradual pro- 

 cess. The prairie grass and associated plants could not stand the ad- 

 vance of civilization, their life was crushed out, the iron weed ( Fer- 

 nonia) took their, place. The blue grass at first timidly appeared; 

 soon boldly usurped the chief place, and its progress was made cer- 

 tain. In the woods the hazel and wild plants acknowledged its 

 supremacy, and the blue grass was triumphant. The more the ground 

 was trampled upon the more the grass spread. 



