12 



DISTRIBUTION OF GEEDS AND PLANTS. 



the exact quantity of seed required for a packet, seal the packets, 

 and drop them into hoppers which lead to bins on the floor below. 



Pig. 4 — A 20-acre seed field of sweet peas in the Santa Clara Valley, Cal. 



S-jflr.-^.- 



Fig. 5. — A 250-acre lettuce seed flold in the Santa Clara Valley, Cal. 



Each of these machines will put up from 25,000 to 35,000 packets a 

 day, and 20 machines are in use from December 15 to April 15, turn- 

 ing out steadily about 1,250 packets per minute. (See fig. 7.) 



[Cir. 100] 



