FLOWERS. 



97 



PLATE XL I. 



FIG. 51. Powdered Cloves (x 240). 



an, a'n', Cells from the anthers, sur- 

 face view and in profile. 



col, Collenchymatous layer. 



ccr, Crystal cells. 



cr, Rosette crystals of calcium oxalate. 



eca, Epidermis of calyx-teeth. 



ef, Epidermis of filament. 



eico, Lower epidermis of corolla. 



esco, Upper epidermis of corolla. 



etc, Epidermis of lower portion of 

 clove. 



fp, Fibres from the pericycle. 



pco, I arenchyma of the corolla wich 

 numerous calcium oxalate 

 crystals. 



pe, Cells of outer layers of parenchyma, 



pf, Parenchymatous cells from fila- 

 ment. 



pi, Cells of lacunous portion of 

 parenchyma. 



po, Pollen grains. 



ps, Oil-glands. 



tc, Crystal cells. 



tr, Vessels, etc., from calyx-teeth and 

 corolla. 



