( 53 ) 



PLATE XXVII. LETTER XXVL 



SYNGEN. POLYG. FRUSTRANEA 

 and NECESSARIA. 



Figr. i. Centaurea montana. Mountain Blue 



a 



Bottle. 



a The compound flower, mowing the neutral 



or barren florets on the outride, longer 



than the fertile ones in the middle, 



and the ciliated fcales of the calyx, 



h A barren floret. 



c A fertile floret* with fame of the brifiles 



at the bale. 

 J The fame,, diverted of the corolla. 

 e The piftiL \ 



N. B. This ferves to explain the order Poly- 

 gamia Fruftranea in the clafs Syn- 

 genefia. 

 Fi°:. 2. Calendula officinalis. Garde® 



a 



Marigold. 

 & The compound radiated flower. 

 b The calyx, with the feeds in the ray only, 

 bending inwards after the florets are 



decayed. 



F 2 



