VICIA. 



27. Histology of Leaf. Draw the prepared transverse section under the high power, 

 showing : cuticle ; upper epidermis with few stomata ; gland hairs ; palisade and spongy 

 parenchyma with chloroplasts ; inter-cellular air spaces ; vascular bundles ; lower 

 epidermis with many stomata. 



28. Stomata. Strip or! a bit of the lower epidermis from the leaf of a bean plant. 

 Mount it in water on a slide and examine under the high power. Draw a small part of the 

 epidermis, showing : epidermal cells ; stomata, bounded by guard cells containing 

 chloroplasts. 



