196 BOTANY. 



like in form, and broader than the sepals, being usually some- 



what broader at the free 

 the corolla in the higher 

 the corolla is a petal 

 the flower, and are not 

 would suggest that they 



324. Androecium. - 

 of the corolla is found 

 bers which do not at first 

 They are known in the 

 seen in fig. 176 each 

 filament), and extending 

 greater part of the length 

 side. This part of the 

 ridges form the anther 

 flower is opened, these 

 in the wall along the edge 

 see quantities of yellow- 

 escaping from the rup- 

 les. If we place some 

 microscope we see that it 

 ute bodies which resem- 

 rounded in form, and the 



end. These make up what is 

 plants, and each member of 

 But while they are parts of 

 green, their form and position 

 also belong to the leaf series. 

 Within and above the insertion 

 another tier, or whorl, of mem- 

 sight resemble leaves in form. 

 higher plants as stamens. As 

 stamen possesses a stalk (=: 

 along on either side for the 

 are four ridges, two on each 

 stamen is the anther, and the 

 sacs, or lobes. Soon after the 

 anther sacs open also by a split 

 of the ridge. At this time we 

 ish powder or dust 

 tured anther locu- 

 of this under the 

 is made up of min- 

 ble spores; they are 



175- 



Trillium grandiflorum. OUter Wall is Spiny, 



