VEGETATIVE REPRODUCTION. 



259 



a great number of spoi'Ophylls are to be borne, the torus is 

 elongated, as in the mousetail (fig. 286); or greatly enlarged, 



Fig. 285. Fig. 286. 



Fig. 285. — The torus of a flower of stonecrop (.9^^7^w: ternatuin),\s\\\\ ihe leaves re- 

 moved to show scars ; two leaves of each kind shown a. sepal ; h^ petal ; c, stamen ; 

 d, carpel. Magnified se\'eral diam. — After Gray. 



Fig. 286.— Flower of mousetail {Myosurus 7)i inintus), halved; showing s, spurred 

 sepal ; si. stamen ; st' , a staminode or sterile stamen, ha\ing the position and form of 

 a petal ; /. elongated torus covered with carpels, some of which are cut through. Mag- 

 nified several diam, — After Engler. 



Fig. 287. — Flower of the strawberrv', halved; showing elongated and thickened torus. 

 Magnified about 3 diam, — After Bessey. 



as in the strawberry (fig. 2S7); or transformed into a cup, as 

 in the rose (fig. 288). 



When flowers in large numbers are very closely associated, 



