The Power of Movement in PlantsNote 5 — Chapter III · SENSITIVENESS OF THE APEX OF THE RADICLE TO CONTACT AND TO OTHER IRRITANTS.Reading edition‘Arbeiten Bot. Instit., Würzburg,’ Heft, iv. 1874, p. 620.◇Copy noteReturn to CHAPTER III. SENSITIVENESS OF THE APEX OF THE RADICLE TO CONTACT AND TO OTHER IRRITANTS.