TREES, SHRUBS AND VINES OF MISSOURI. 357 



SMIL AX FAMILY (SMILACE^). 



S. Smilax bonaXi^ox L. 



Greenbrier. 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. 



•6. Smilax glauca Waet. 



Saiobrier. A lowland species that is canfiaed to the southeastern part of the 

 State, 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 vile pest and is called Sawbrier. 



7. Smilax higpida Mahl. 



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

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

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

 Dunklin, ;Greene, ;Jack8on, Jasper, Jefferson, McDonald, Newton, Oregon, , Pike, 

 Kay, Shannon, St. Francois and Wayne counties. 



8. Smilax pseudo-China L. 



Sarsaparilla. 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 rotuodifolia 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, 

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

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



WALNUT FAMILY ( JUGLANDACE^). 



10. Juglans 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 

 <30untie8. Not of any economic value, either for its wood or its fruit. 



11. Juglans nigra L. 



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

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

 :jhe 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, 



