ANNUAL WINTER MEETING AT WARhENSBURG. 269 



Fifteen years ago it only grew in Western Missouri where it was 

 sown, and was even rare in Saline county, and tlie wild grasses abounded 

 upon the praries. Three years ago I found blue grass growing every- 

 where in Saline county, in the yards, by the roadsides and amid the 

 hazel thickets. Although quite common in northeast Missouri, it is 

 not in south Missouri. In western Msssouri the blue grass usurps the 

 place of the blue stem (Audropogon). 



In Kansas the Audropogon is moving west, and is usurping the 

 place and driving westward the bulfaio grass. Westward the grasses 

 progress. 



In 1870 the Solanum ro stratum had just entered Missouri from the 

 western plains. Now it extends across the State. At that time the 

 Helianthus lenticus laris^so very abundant on the western plains, was 

 scarcely known in Missouri. Now it abounds in Bates, Cass, Carroll 

 and other counties, growing very luxuriantly on the Wakenda prairie. 



The Cleome integrifolia has been also introduced from the west, 

 but does not seem to advance. 



There are many other plants peculiar to certain localities entirely 

 wanting at other places. Only a few of which I shall notice. 



The Anemone Caroliniauni is found in Bates, Cass and Vernon, but 

 more common in Kansas, The Vernonia Arkansana has advanced from 

 the south as far as Jasper county. The Amphyachyus dracunculoides 

 and Oenothera speciosa, although common in a ie^^ counties on our 

 western borders, are not found eastwardly, but range southwardly into 

 Texas. The Colllnsia veolacea coming from the south I have seen 

 abundantly at Carterville, in Jasper county, and near Butler, in Bates 

 county only. The Oxytropus lamlerti-, Yucca augutti folia and Pents- 

 temon grandiflora have only appeared in Atchison county, but are 

 common further west. The Oenothera Missouriensis is very common 

 in Kansas and have only rarely been found in Bates and Greene coun- 

 ties. One of our most beautiful gentians, the Gentlana puherula [has 

 almost disappeared from our prairies. The Gentlana quinqueifora I 

 have only found in Adair county. But I have said sufficient. There 

 are several particular zones of plants in Missouri. Our western plants 

 are many of them different from those of Eastern Missouri, and the 

 flora of eastern and southeastern Missouri has a marked different type 

 from that of the prairie counties. 



