PliotomicroL^raplis, of Botanical Sliitlics. 



53 



84. — T.S. Flower-bud, " Lilium croceum," Orange lily. 



?^^ 



Calyx. 

 Corolla. 



Pollen-sac. 

 ary. 







85.— T.S. Anther of " Lilium croceum," Orange lily. 



> 'l M P 



Fibrous layer. 



Zone of nucleated cells. 



f. Tapetal layer. 



ollen grams. 



