TBEES, SHRURS AND VINES OF MISSOURI. 357 



SMILAX FAMILY (SMILAOE^). 



6. Smilax bonaXNox L. 



Oreenbrier. A low, thorny species found In the lowlands of the southern part 

 of the State, in Dunklin, Howell, Jasper, McDonald, Mississippi and Oregon coun 

 ■ ties. 



<5. Smilax glauca Waet. 



Sawbrier. A. lowland species that is oonflned to the southeastern part of the 

 3tate, and found in Bollinger, Butler, Cape Girardeau, Dunklin, New Madrid, Ore- 

 gon, St. Francois, Stoddard and Wayne counties. In the cotton-raising counties 

 It Is a Tile pest and is called Sawbrier, 



7. Smilax hlepida Muhl. 



Greenbrier— Caibrier. Common in many counties In the State, along streams 

 In woods, where it is quite annoying to farmers In clearing new iand. It 

 has been found in Atchison, Boone, Butler, Callaway, Cape Girardeau, Clark, Clay, 

 Dunklin, ;Greene, |Jackson, Jasper, Jefferson, McDonald, Newton, Oregon, ,Pike, 

 Ray, iijbannon, St. Francois and Wayne counties. 



S. Smilax pseudo-Ghina L. 



Haraaparilla. Has been reported from Boone, Greene, Pemiscot, Pike and 

 Shannon counties, but it is quite probable that the Boone county and Pike county 

 -determinations were based upon some other species of Smilax, as this is a lowland 

 species, and does not occur north of the Missouri river. 



9. Smilax rotundifolia L. 



.Horsebrier— Greenbrier. A species confined to the southern part of the State, 

 and has been found in Butler, Cape Girardeau, Dunklin, Jasper, McDonald, New 

 Madrid, St. Louis and Wayne counties. Has been reported from Atchison county, 

 toy Broadhead, but this was evidently Smilax hiapida, and also from Pike county by 

 Pech, but it is hardly probable that It gets bo far north. 



WALNUT FAMILY ( JUGLANDACE^). 



10. Jnglans cinerea L. 



White Walnut— Butternut, Occurs principally in the eastern and southern part 

 of the State, never common at any place. Has been found in Adair, Audrain, 

 Bollinger, Butler, Cape Girardeau, Clark, Dunklin, Greene, Howard, Lafayette, 

 Macon, Madison, Marion, Mississippi, Newton, Pike, Ralls, Saline, Shannon, 

 St. Francois, St, Louis, Stoddard, Sullivan, Washington, Wayne and Wright 

 counties. Not of any economic value, either for its wood or its fruit. 



11. Jaglans nigra L. 



Black Walnut— Walnut. A very large valuable tree, occurring throughout the 

 State generally, but reaching its greatest development in the southwestern part of 

 <(he State, where trees are to be found that are three to five feet in diameter. It 

 is known to occur in Adair, Andrew, Atchison, Barry, Benton, Bollinger, 



