26 



THE VEGETATIVE ORGANS 



and Cress on damp blotting-paper or flannel, covering them 

 with a jar to keep the air around them moist, and note the 

 mode of emergence of radicle and plumule ; observe also 



9 ^* 9 



Fig. io. Seedling of Kidney-Bean. 

 g, ground level ; c, cotyledon. 



how the cotyledons are folded, and that they come above 

 ground, turn green, and, while simple in the Mustard, 

 (Fig. ii, 1-5), they are three-lobed in the Cress, a rather 



