INFLORESCENCE : AY 
more branches arise, and so on. In acyme of this kind the 
branches always arise opposite each other. (Fig. 53.) 
The verticillaster (Lat. verticillus = whorl of a spindle) found 
in many flowers of the Dead-nettle Order is a modified cyme, 
but owing to the flowers having become sessile, it is often 
very difficult to see the order in which they have arisen. 
Compound Some inflorescences are compounds of simple 
Inflorescences. ones, thus there may be a raceme of racemes, 
an umbel of umbels, ete. 
Mixed Lastly, many plants have mixed _ inflores- 
Inflorescences. cences ; thus figwort has axillary cymes, de- 
veloping racemosely. ‘The youngest cyme is nearest the apex, 
the oldest furthest from it. (Plate IL., Fig. 49.) 
SIMPLE INFLORESCENCES. 

Racemose Cymose 
With elongated With shortened Solitary One-sided Two-sided 
primary axis primary axis Cyme 


Cyme 
(a) Raceme (a) Umbel 
(b) Spike (6) Capitulum 
