. Edinburgh New Philosophical Journal . References to the Drawing. A, The Stem. B, The Side-arm, in botanical language, arising decurrent from the stem. C, An imperfect stem, bifurcated from the first division, under which the stem A passes, and is lost in the mass. D, Section of an encrinite.

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Keywords: ., 1831, bookcentury1800, bookcollectio, bookdecade1830, bookyear1831