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4- As the mean temperature lowers, sprouting, as a rule, be- 

 comes slower. 



5. In some instances, greater rapidity of sprouting due to a 

 constant temperature of 74°, does not appear to be correlated 

 with greater per cent, of total sprouting. In beans, however, 

 greater per cent, of sprouting appears to follow greater rapidity of 

 sprouting. 



6. There is probably a tolerably well-defined optimum tempera- 

 ture for each species of plant, in which best results from seed-tests 

 can be obtained. This limit is not closely determined for mo.st 

 garden seeds. 



7. The quantity of water applied to seeds may determine both 

 the rapidity and per cent, of sprouting. 



8. A comparatively small amount of water gives quickest and 

 largest results. 



g. Greater quantities of water than are required for best results, 

 lessen rapidity and per cent, of sprouting either by causing the 

 seeds to rot or by retarding germination, or by both. 



10. The soaking of seeds in water before planting does not ap- 

 pear to hasten sprouting, if the planting time is reckoned from the 

 time at which the seeds are put to soak. But if planting time is 

 counted from the time of placing the seeds in soil, quicker sprout- 

 ings are the result ; this method of reckoning is incorrect, how- 

 ever. 



11. The soaking of seeds does not appear to influence the total 

 amount of sprouting. 



12. The results of soaking appear to vary in different species. 



13. The character of soil in which the test is made may influ- 

 ence the results, both in rapidity and per cent, of sprouting. 



14. lyight has great influence upon the sprouting of the .seeds of 

 some species. 



15. When light has any influence, it retards or wholly prevents 

 sprouting. 



16. The effects of light upon sprouting are different in different 

 species. 



17. The weight of the seed is often a tolerably accurate meas- 

 ure of its viability, as determined both by rapidit}' and per cent, 

 of sprouting. 



18. As a rule, heavy seed.s germinate better than light ones of 

 the same sample. 



