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Numb. 46.
PHILOSOPHICAL
TRANSACTIONS.
April 12. 1669.
The Contents.
Promiscuous Additions to what was formerly publish't concerning Vegetation. Some instances, shewing the Correspondence of the Pith and Timber with the Seed of the Plant; as also of the Bark or Sap in the Bark with the Pulp of the Fruit. An Extract of a Letter, giving further directions about Melons. A summary account of the Rules of Motion, by M. Hugens. A narrative concerning the Resolution of Æquations in Numbers, by M. John Collins. An Account of two Books, I. PRÆLUDIA BOTANICA Roberti Morison, M. D. II. CL. SALMASII Præsatio in librum de HOMONYMIS HYLES JATRICÆ: Ejusdem de PLINIO IUDICIUM. Divione, A. 1668. in quarto.
1. FOR perfecting the experiment of Sap, and to find out, whether it ascends more or less in the prict't Circles of the Body, then in those betwixt the Body and Bark; let the tree, exempted from all its sap the day before, be first peirced with an Auger, only through the Bark, and the quantity of Sap it yeilds, exactly measured and weighed: Then at the same time let also another hole be bored into the
body
