[3249] Pœnâ emendantur.
[3250] It is very doubtful whether this is not likely to prove very injurious to them. This passage is from Theophrastus, De Causis, B. iii. c. 23.
[3251] Without any efficacy, beyond a doubt.
[3252] The action of salt upon vegetation is, at the best, very uncertain.
[3253] These recipes are worthless, and almost impracticable.
[3254] This method is still adopted, but with none of the accessories here mentioned by Pliny.
[3255] A dangerous practice, Fée remarks, and certainly not to be adopted.
[3256] Mitior.
[3257] De Re Rust. 93.
[3258] At the present day, fumigations are preferred to any such mixtures as those here described. Caterpillars are killed by the fumes of sulphur, bitumen, or damp straw.