Page:Makers of British botany.djvu/113

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Plate IX


Makers of British botany, Plate 9 (Plate 18 from Hales's Vegetable Staticks).png

Plate 18 from Hales's Vegetable Staticks

Fig. 40. Instrument devised by Hales to make prick-
marks on a young shoot of Vine (Fig. 41); the
distribution of stretching after growth is shown in
Fig. 42. The use of a similar instrument for
marking surfaces is shown in Figs. 43 and 44