[2803] This is perhaps the meaning of “duplici lenimento.” The reading, however, is doubtful.

[2804] The name now given to Sulphate of lime, including the varieties of Alabaster and Selenite. Plaster of Paris is prepared from it.

[2805] The method of preparing plaster of Paris.

[2806] See B. iv. c. 3.

[2807] See B. iv. c. 3.

[2808] The same thing, strictly speaking. See Chapter [12] of this Book.

[2809] See Chapter [45] of this Book.

[2810] See B. vii. c. 46.

[2811] Dioscorides says, B. v. c. 134, that, taken internally, it produces suffocation.

[2812] “Lithostrota.”