—, non-decomposition of carbonic acid by, xxxiv, 44.

—, circulation in, E. Emmons, xxvi, 99.

—, — of sap in, xix, 393.

—, chemistry of, J. Liebig, xl, 177.

—, chemical constitution of cellular and woody tissue in, xl, 176.

—, cultivation of, in moss, xiii, 189.

—, crystalline substances from the juice of, xi, 391.

—, crystals in, Turpin, xix, 177; xx, 382.

—, crystals of oxalate of lime in, xx, 383; xxi, 372.

—, crystals in the tissues of, J. W. Bailey, xlv, 149; xlviii, 17.f