84 



INFL ORESCENCE. 



[CHAl . 



similar kind of inflorescence, but the flowers are sessile. 

 This difl"erence distinguishes the spike from the raceme. 



The corytJib is a form of raceme in which the lower 

 pedicels are much longer than the upper ones. 



Fig. 56. Crinum. Flowers in simple umbels borne on stout succulent scapes. 

 Bracts spathaceous. 



In Coriander, Fennel or Carrot, and Crinum, the flowers 

 are borne upon pedicels springing apparently from one 

 point. Such an arrangement of pedicellate flowers con- 

 stitutes the umbel. But as you find each of the umbels in 

 the three first named plants borne upon peduncles, which, 

 like the pedicels, also spring from one point, their entire 



