Secrets Of Nature - Seed-Time (1926)

Produced by British Instructional Films Ltd. “Many of the plant movements are shown at 20,000 times their normal speed“. Poppy seeds are spread out. The Burdock seed case attaches itself to human beings - a large spiky seed pod gets stuck on a coat sleeve. Vigorous shaking ensues but the pod stays stuck. The Enchanters Nightshade has hooks to catch the fur of passing animals. C/U of rotating seed pod. The Beggar Tick has barbed spears which irritate the animal so that it scratches them out of its fur. C/U of the barbed spears. Blumenbachia has a balloon-like seed case - C/U of this. A piece of fur is passed underneath the seed case and it latches on. X-ray microscope shot of its spikes. A piece of paper is put close to the pod and it attaches itself to it. Much shaking ensues but again it stays put. Stone Crop is a plant which lives amongst rocks. The leaves bounce down the mountainside. Stop frame animation of this. Time lapse photography is used to show the plant growing. Ecballium