Fig. 1 — A: humidity chamber for growing the oat seedlings; a, glass cover; b, blotting paper lining walls; c, tin container; d, seed box; e, vermiculite; f, stand; g, water. B: cutter; a, razor blade screwed to wood. C: coleoptiles ready for cutting; a, 3 mm. line on slide
Fig. 1 — A: humidity chamber for growing the oat seedlings; a, glass cover; b, blotting paper lining walls; c, tin container; d, seed box; e, vermiculite; f, stand; g, water. B: cutter; a, razor blade screwed to wood. C: coleoptiles ready for cutting; a, 3 mm. line on slide.