OP THE CALYX AND COROLLA. 



46 



times very singular. See these figures. Fig. 114 is the 

 form of the bifid petal of a Cerastium ; Fig. 115, the fiower 

 of Mitella, with five pinnatifid petals ; Fig. 117, the flower 

 of Sweet Cicely, with five petals inflected at the point ; Fig. 

 116, fringed, long-clawed petal of Silene stellaria ; Fig. 118, 

 many-cleft petal of Mignonette'; Fig. 119, rounded, short- 

 clawed petal of Crowfoot, showing its horny scale, or nec- 

 tary, at base. 



Fig. 120. Larkspur, its petals and sepals separated : s, s, «, u, «, sepals ; a, the 

 upper sepal spurred ; e, the petals all united into one, and produced backwards into 

 a spur which is sheathed in the spur of the calyx. 



j?jj'. 121. Touch-me-not. Fig. 12^. Its petals and sepals displayed : p, jo, the two 

 double petals ; s, s, s, y, the four sepals, y being in the form of a sack, with a spur. 



73. A nectary is found also in the petals of Columbine 

 (Fig. 361), Larkspur (Fig. 120), Touch-me-not (Fig. 121), &c., 

 distorting them into grotesque shapes, called spurs. 



74. Before us now is the flower of Pink (Fig. 123). The 

 calyx (c) appears as a green tube, with five notches or teeth 

 at the top. It is evident that this is made up of five sepals 



73. What is a nectary? What is a spur? Examples. 



