562 A NATIONAL PLAN FOR AMEEICAN FORESTRY 



and on the other to abuse, destruction, or other uneconomic manage- 

 ment. However, further research is necessary to furnish the funda- 

 mental information on which the best management principles for these 

 minor forest byproducts must be based. Maryland, California, 

 and a few other States have enacted (largely on the initiative of the 

 Wild Flower Preservation Society and other conservation agencies) 

 laws and regulations to protect and perpetuate outstanding orna- 

 mental species of the forest, such as dogwood, trailing-arbutus, kalmia, 

 orchids, toyon, etc. Additional legislation of this sort is doubtless 

 desirable for other species and in other places to prevent extermination 

 or decimation of aesthetic, rare, or otherwise valuable or interesting 

 forest plants. Some communities and States have laws and regula- 

 tions for eradication or control of obnoxious agricultural and highway 

 plants, such as ragweed and puncturevine, and there is probably a 

 field for similar legislation in certain localities with respect to obnox- 

 ous forest species. 



