FA8CIATI0N AND ALLIED PHENOMENA. 



Now each of the ten staminal cords branches again by tangential chorisis, 

 producing three cords in a radial direction, each finally forming the cord 

 of a distinct antheriferoiis branch (fig. 102) ; so that there are iiltimat(dy 

 thirty anthers in a Mallow flower. In Ahutilon there are sixty, in 

 consequence of an additional radial chorisis. 



A considerable amount of chorisis takes place in the flower of 



Fig. 101. — Transverse section (two- Fig. 102. — Three antheriferous cords 



fifths) of pedicel of same, showing by tangential chorisis. 



increase of cords by tangential and 

 radial chorisis. 



Mignonette. The sepals receive three cords, one, central, direct from the 

 axis, which commences with six large cords (fig. 103), and others as 

 branches from intermediate cords, as shown in fig. 104. Much branching 

 of the cords gives rise to the numerous stamens represented in the figure 

 by the outer circle, and numerous cords form an inner circle. These are 

 for the three carpels ; but before entering that the cords combine and 

 form six distinct cords. 



These cases might be described as normal fasciation by chorisis,' to 

 supply multifold stamens and carpels. Many other cases might be men- 



FiG. 103.— Transverse section of pedicel Fig. 104.— Transverse section of s:ime 

 of Mignonette. passing through base of calyx 



(sepals, s). 



tioned, as the stamens of St. John's Worts, and of the Castor-oil plant, 

 Poplars, &c. 



Cresting. — This phenomenon comes under the same category, as it 

 is correlated with chorisis of the cords within the foliaceous organ. Wlion 

 the organ, as a petal, has only a slight fringe on the margin, it is called 

 fimbriated," as occurs in some Camellias, Cyclamens, Odjutoglossum, 



