GROSS ANATOMY OF FLOWERING PLANTS. XXV 
II. Flowers in clusters (Cymes). (Fig. XX.) 
1. Lateral branches in all parts of the 
flower-cluster developed—e.g., Ce- 
rastium . é ae : . FoRKED CYME. 
CYMES. 
FORIKED. HEL}ICOID. SCOR #PIOID. 
Fic. XX. —Diagrams of three forms of cymes. 
2, Some of the lateral branches regularly suppressed. 
(a) The suppression all on one side— 
e.g., Hemerocallis . r . HE.icor C'yME. 
(®) The suppression alternately on 
one side and the other—e.g., 
Drosera . i ‘ : . ScorPIoID CYME, 
(The last two are frequently called False Racemes.) 
C. MIXED INFLORESCENCES. 
1. Cymo-Botryose, in which the primary 
inflorescence is botryose, while the 
secondary is cymose, as in Horse- 
chestnut : j : ‘ . Cymo-Borrys. 
(This is sometimes called a Thyrsus.) 
2. Botryo-Cymose, in which the primary 
inflorescence is cymose, while the 
secondary is botryose—e.g., in many 
Composite . ; ‘ . . Borry Cymer. 
In addition to noting the kind of inflorescence, examine and 
describe the bracts (small leaves), pedicels, and larger branches of 
the flower-cluster, noting their shape, size, surface, and color. 
N 
FLORAL SYMMETRY. 
Floral Whorls.x—The parts of the flower are mostly arranged 
in whorls or cycles, distinctly separated from each other (cyclic 
