GYNANDRIA. 461 



spur is present, the only nectary. Nor is 

 this opinion so ill-founded as many bota- 

 nists suppose ; for the fron^K the lip evi- 

 dently secretes honey in fl|p/.$ (or Epi- 

 pactis) ovata, t. 1548, and probably in 

 others not yet attended to. Nevertheless, 

 this lip might, like the petals of lilies, be 

 deemed a nectariferous corolla, were it 

 certain that all the other leaves were truly 

 a calyx. But the 2 inner are so remark- 

 ably different from the 3 outer ones in 

 Ophrys, t. 64, 65, 71, 383, and above all, 

 in Stelis, Eivot. Bot. t. 75, that I am most 

 inclined to take the former for the corolla, 

 the latter being, according to all appear- 

 ance, a calyx. An insensible gradation 

 from one to the other, of which we have 

 pointed out other instances in treating of 

 this subject already, occurs in Diuris, t. 8, 

 9 ; while in some Orchidece the leaves all 

 partake more of the habit of a calyx, and 

 in others of a corolla. Even the lip in 

 ThcLjmitra, t. 29, assumes the exact form, 

 colour, and texture, of the rest of the 

 flower ; which proves that a dissimilarity 

 between any of these parts is not always to 



