144 



MANUAL OF BOTANY 



bimdles, as in Hypericum, the condition is probably due to the 

 branching of a corresponding number of original protuberances. 



Other cases of cohesion will be referred to later. 



6. Adhesion of Paris, or Coalescence of the Members of one 

 Whorl with those of another. — This again is a very common 



Fig. 270. 



Fie. 271. 



FiGJ. 272. 



Fi'j. 27U. Hypogynous stamens of Buttercup. Fig. 271. Ferigynous 



stamens of Cherry. Fig. 272. Perigynoas flower of Strawberry. 



disturbance. Normally, the several whorls are placed upon the 

 thalamus in such a way that their acropetal order of succes- 

 sion can be recognised. The ovary stands at the apex of the 

 thalamus, and is said to be superior. The calyx is as evidently 



Fkj. 273. 



Fig 271. 



Fig. 273. Epigynous flower of Myrtle. Fig. 274. Epipetalous 



stamens of Primrose. 



the lowest whorl, and is termed inferior. The corolla and 

 stamens springing from below the ovary are said to be hypo- 

 gynous {fig. 270). 



Often, however, the base of the calyx is found to be spread 

 out into a sort of cup, and the petals and stamens appear to 



