482 Journal of Agricultural Research voi. xxii.no. 9 



Each lot of seed was then divided roughly into portions of about 600 to 

 800 seeds each, and these were distributed equally among the following 

 containers : 



1. Ordinary manila paper coin envelopes. 



2. Similar envelopes soaked in melted paraffin. 



3. Cotton cloth bags. 



4. Similar bags soaked in boiled linseed oil and dried. 



5. Glass bottles which after filling were sealed air-tight with paraffin. 

 Seed of all six species stored in each of the five containers constituted 



one test set of samples. For convenience in handling, shipping, and 

 storing, each test set was placed in a small wooden box lined with a wire 

 mesh to prevent the access of rodents. 



POINTS OF STORAGE 



It was one purpose of this study to determine whether seed deteriorated 

 in storage to a greater extent in one geographical region than in another. 



Fig. I. — Map showing points at which coniferous seeds were stored to test effect of geographical locatioa 



Thirteen points of storage, accordingly, as indicated below and on the 

 map (fig. i), were selected. These, it will be noted, are rather widely 

 scattered over the United States and afford a fair basis for arriving at 

 some conclusions concerning this particular aspect of seed storage. 



POINT OP STOR.\Ge ' APPROXIMATE ALTITUD3 



I. Ann Arbor, Mich 875 feet 



a . Dundee, 111 700 feet 



3. Fort Bayard, N. Mex 6, 500 feet 



4. Halsey, Nebr 2, 700 feet 



5. Ithaca, N. Y 800 feet 



6. Lake Clear Junction, N. Y i, 600 feet 



7. Lawrence, Kans 800 feet 



8. New Haven, Conn 30 feet 



9. Pikes Peak, Colo 9, 000 feet 



10. Pocatello, Idaho 4, 500 feet 



11. State College, Pa i, 150 feet 



12. Warsaw, Ky 400 feet 



13. Waukegan, 111 600 feet 



