a. Compound Spike, Rye-grass.
b. Compound Spadix, Palms.
c. Compound Raceme, Astilbe.
d. Compound Umbel, Hemlock and most Umbelliferae.
e. Raceme of Capitula, Petasites.
f. Raceme of Umbels, Ivy.
B. Definite Centrifugal Inflorescence.
I. Flowers solitary, terminal. Gentianella, Tulip.
II. Flowers in Cymes.
1. Uniparous Cyme.