Page:First course in biology (IA firstcourseinbio00bailrich).pdf/193

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Fig. 221.—Forms of Centripetal Flower-clusters.

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

Fig. 222.—Centripetal Inflorescence, continued.

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

Fig. 223.—Centrifugal Inflorescence.

1, cyme; 2, scirpioid raceme (or half cyme).