Note 16 — Chapter IV · THE CIRCUMNUTATING MOVEMENTS OF THE SEVERAL PARTS OF MATURE PLANTS. (continued 2)
Reading edition
Zukal also remarks (as quoted in ‘Journal R. Microscop. Soc.,’ 1880, vol. iii. p. 320) that the movements of Spirulina, a member of the Oscillatorieae, are closely analogous “to the well-known rotation of growing shoots and tendrils.”