Nectaries 1 1 1 



as in the Grass of Parnassus (fig. 199), or scales known as stami- 

 nodes closing the tube of the corolla as in the Borage (fig. 198), 

 Nectaries, or glands for the secretion of honey, are some- 

 times spoken of as subsidiary organs, but various parts of the 



Fig. 198. — Longitudinal section through the flower of the Borate ; 

 each bifld stamen bears the anther on its inner half, while the 

 other half forms an erect scale. 



flower may be specially developed for this function. Thus, 

 there may be scales between the stamens as in the Grape Vine 

 (fig. 200), or spurs either of the calyx as in the Tropseolum 

 (fig. 167), or of the corolla as in the Valerian (fig. 201), or of 



II. 



Fig. igg. —I. Longitudinal section through the flower of Parnassia pahcstyis. 

 II. One of the petals ; a glandular scale belonging to the corona attached to 

 it in front. 



both as in the Larkspur (fig. 202), or of the stamens as in the 

 Violet (fig. 204). There may be specially developed petals, as in 

 the Monkshood (fig. 203) ; or glands in hollows at the base of 

 the petals, as in the Buttercup. 



Perianth. — The term perianth is generally employed in 



