The Power of Movement in PlantsNote 13 — Chapter VI · MODIFIED CIRCUMNUTATION: SLEEP OR NYCTITROPIC MOVEMENTS, THEIR USE: SLEEP OF COTYLEDONS.Reading edition‘Die Lehre von der Pflanzenzelle,’ 1867, p. 327.◇Copy noteReturn to CHAPTER VI. MODIFIED CIRCUMNUTATION: SLEEP OR NYCTITROPIC MOVEMENTS, THEIR USE: SLEEP OF COTYLEDONS.