THE MONTHLY BULLETIN. 



261 



means of the rootstocks. If, however, the most rigid care is not exer- 

 cised l)y prospective phintere and seed men, Johnson grass will be 

 planted with Sudan grass seed and thonsauds of acres of good grain 

 land will be ruined. 



This is a serious (piestion. If the present laws can not protect, the 

 counties shonld enact new ones. The State is in need of a good compre- 

 hensive seed law. The farm advisers and the county commissioners 



Fig. 58. — The head of Sudan grass compared with that 

 of Johnson grass, showing the more open cliaracter of the 

 Sudan grass head which is on the left. (.Original.) 



should be consulted before seed is bought. If pure seed can be bought, 

 pure seed should be obtained if we expect to keep this serious pest 

 under control. If pure seed can not be had it is a question whether 

 the advantages of Sudan grass will not be negative. 



The following extracts, from men who have had experience with these 

 grasses, show the danger of introducing Sudan grass into California : 



Professor H. M. Hall, University of California: "Concerning 

 the hybridization of Sudan grass with Johnson grass I am informed 



