[2982] See B. xix. c. 30. A somewhat similar practice is also recommended in B. xv. c. [18]; but, of course, as Fée remarks, it can lead to no results.
[2983] De Re Rust. 28.
[2984] Fée remarks that this is a useful precaution, more particularly in the case of the coniferous trees, the fig, and others that are rich in juice; but if universally used, would be attended with great expense. The French use for the purpose a mixture of fresh earth and cow-dung, to which they give the name of “onguent Saint-Fiacre.” See p. [481].
[2985] This is from Theophrastus, Hist. Plant. ii. 7. The question, however, depends entirely upon the nature of the tree, the quality of the soil, and various other considerations, as Pliny himself admits.
[2986] See B. xv. c. [24]. This notion, Fée remarks, still prevails to a very considerable extent.
[2987] By depriving it of the light, and the heat of the sun; but, most probably, from no other reason.
[2988] “Quoniam et protecta vinearum ratione egent.” This passage is probably in a mutilated state.
[2989] “In se convoluta.”
[2990] The plane was much valued for its shade by convivial parties. Hence we find in Virgil, Georg. iv. 146—“Atque ministrantem platanum potantibus umbram.”
[2991] He clearly alludes to the quivering poplar, Populus tremula of Linnæus.