MR. M. T. MASTERS ON PROLIFICATION IN FLOWERS. 



369 



Scrophulariaceae 



Orobanchaccce 



Leafy. 

 Genera not specified 



Floral. 



Antirrhinum. 

 ^Digitalis. 

 *Linaria. 



Veronica, 



Orobanche. 



Stachys. 



Phlomis. 



Anchusa. 



Symphytum. 

 *Cortusa. 

 *Anagallis. 

 *Primula. 



Hieracium. 



Cirsium. 



Calendula. 



Spilanthes. 

 ^Campanula. 



Rumex. 



Thesium. 



Ficus. 



Tulipa. 



Hyacinthus. 



Phleum. 



A mark 

 change. 



is placed against the names of those genera that are most fi-equently affected with this 



EXPLANATION OP PLATE XXXIV. 



Fig. 1 a. Geuni rivale. Calyx leafy, sepals and petals multiplied, thalamus longer than usual. 



Fig. 1 b. Shows a similar condition of the calyx and corolla to the preceding ; but the thalamus is here 



represented by a leaf-bearing branch, and the place of the pistil is occupied by a flower-bud. 

 Fig. 2 a. Phlomis fruticosa. Calyx, corolla, and stamens removed, to show the adventitious flower-bud 



and the monocarpellaiy pistil. 

 Fig. 26. One of three or four scales placed between the calyx and corolla. 

 Fig. 3«. Digitalis purpurea. Sepals multiplied ; corolla regular ; stamens twelve; carpels five, open, with 



ovules on their margins, and surrounding a slightly prolonged axis on whose sides are scales and 



imperfect flowers. 

 Fig. 36. Scale with ovules on the margin. 

 Fig. 3 c. Scale with small corolla proceeding from its axil. 

 Fig. 3 d. Eight carpels with parietal placentation, surrounding a prolonged axis, with imperfect flowers 



and bracts. 

 Fig. 3 e. More advanced stage of the same ; axis prolonged beyond the carpels and bearing bracts and 



flowers. 



3d2 



