Figures for Hershey, D.R. 2003. Misconceptions about Helmont's willow experiment. Plant Science Bulletin 49:78-84.

Figure 1. Frog's bit (Hydrocharis morsus-ranae), a free-floating aquatic plant (Gerard, 1633).


Figure 2. Cypress vine (Ipomoea quamoclit) growing in a pot sunk in the ground (Gerard, 1633).

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