DISTRIBUTION OF SEEDS AND PLANTS. 



19 



of the wild forage legumes of the Siberian steppes, some of -whicli 

 have already been incorporated into new varieties for field trial. 

 (See fig. 10.) 



TESTING, PROPAGATION, AND DISTRIBUTION. 



The material which comes in from these expeditions and from cor- 

 respondents all over the world at the rate of 10 shipments a day is 

 either sent to the plant introduction gardens of the office, turned over 

 to 'he specialists of the Department, or distributed to carefully ■se- 

 lected expert groAvers, who are in a position to give them a fair trial 

 and report the results. (See fig. 11.) 





-t •-;::-■. ... - 





Fig. 10.— Caravan of Mr. Frank N. Meyer, a^'ricultural exiilorer, on his way to tlie cold 

 somidosert region of the Wutaislian in Xortli China. 



The plant introduction gardens, maintained for purposes of the 

 propagation and preliminary testing of material, comprise the garden 

 at Miami, Fla.. for plants Avhich thrive only below the frost line; 

 the garden near Brooksville, Fla., for the bamboo and other oriental 

 l)lants in particular and for plants which will withstand some frost ; 

 the garden at Chico, Cal., for the propagation of a wide range of 

 material from all over the world on a large scale; and the upper 

 Mississippi Valle}- garden at Ames, Iowa, for specially' cold-resistant 

 plants. (See fig. 12.) 



]N[ention .should also be made of tlie date-introduction gardens at 

 Phoenix, Tempe, and Yuma, Ariz., and at Mecca and Indio, Cal., 

 which were inaugurated by the Office of Foreign Seed and Plant In- 



[Cir. 100] 



