SPECIAL EXERCISES ON TYPICAL FLOWERS 



211 



the bud ? Draw views of the flower, front and side, showing 

 all parts. 



Dissect a flower. Find the spur. Is it a special part 

 or a modification of some petal? Reason for your answer. 

 Bite off the tip of the spur and taste the nectar. Find two 



FIG. 95. Yellow violet. 



hornlike projections from the two lower stamens which 

 secrete the nectar. 



Are the stamens united? Remove the stamens and draw 

 them showing their apparent attachment (syngenesious). 



Do the stamens turn their anthers towards or away from 

 the pistil ? 



Find flowers without petals down near the root of the 

 violet. These may be found all summer, developing in 

 great numbers and producing a vast quantity of seeds. See 

 Suggestion, Experiment 169. 



