246 PHYLIiODY 



they are often replaced by those organs.^ A singular 

 instance of this has been mentioned as occurring in 

 Cal'ile maritiniay wherein the sepals were found by 

 M. Foumier to be pinnatifid like the ordinary leaves 

 of the plant.'' The sepals of Banuneidacew and llosacGce^ 

 for example, Bosa, Geum^ are particularly liable to this 

 change. 



Fig, 129. Flower of rose, sepals replaced by five perfect leaves ; axis 

 prolonged through the flower in the fonn of a leafy branch. 



In a species of Geranium recently examined the 

 sepals presented themselves in the form of three-lobed 

 leaflets ; so in fuchsias and in Epilohium hirsutum the 

 sepals occasionally are not distinguishable from ordinary 

 leaves (fig. 130). In roses, the change in question is a 

 very frequent accompaniment of prolification (fig. 129). 

 In the peach also this replacement of the sepals is 



' " Calyx tunc plane non differt a foliis proximo ipsi prsBcedentibus." 

 Wolff, ' Theor. Gener.,' 114. Linn., ' Proleps.,' 6. Goethe, ' Ver- 

 8ucb.,' 31-38. 



^ BuU. Soc. Bot. France,' vol. viii, 1861, p. 697. 



