~ 47 



LEAF. 



91. Cotyledons. Examine the following seedlings, making drawings to show the 

 nature of the cotyledons. 



(a) Vicia, with fleshy cotyledons below ground. 



(b) Phaseolus, with fleshy green cotyledons above ground. 



(c) Raphanus, with non-fleshy green cotyledons above ground. 



92. Scale-leaves. Draw the scale-leaves on the rhizome of the bamboo. 



93. Bracts,. Draw the specimens provided, showing green, scaly, and coloured bract. 



