Second Report Upon Eleotro-Hoeticultuke. 203 



Endive. — Plants of endive were transplanted into bench 2, 

 November eleventh., at the age of five weeks. The plants in the two 

 compartments were much alike thronghont the experiment, and 

 it is impossible to say if the light exercisied any beneficial influence, 

 but it is certain that there was no injurious influence. In the 

 1890 test, under the naked light, inside the housie, endive was 

 injured, but other plants, which are known to be benefited by a 

 modified light, also suffered under those conditions. 



Radishes. — Radishes of various kinds wei-e gTown upon benches 

 1, 3, and 4, between young lettuce plants. The first crop — ^hich 

 alone is considered here — was sown a week before the light 

 started, so that the plants were well up when the test began. Hai'- 

 vest was made December third, and in the meantime, 229 1-2 hoiu's 

 of electric light had been expended upon the plants, or an average 

 of 5.1 hours per night. The following table gives the results of 

 the radish test: 



