124 



FLOWER-BRANCHES 



197. Forms of centripetal flower-clusters. 

 1, raceme; 2, spike; 3, umbel; 4, head or anthodium; 5, corymb. 



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198. Centripetal inflorescence. 

 6, spadix; 7, compound umbel; 8, catkin. 



199. Centrifugal inflorescence. 

 1, cyme; 2, scirpioid cluster (or half cyme) 



