| Flowers pedicellate | - | Racēme,  flowers arrangedalong the axis; pedicels about equal in length (Currant). | |
Córymb,  same as raceme,except that the lower pedicels are elongated, making the top flat (Hawthorn). | |||
Umbel.  same as corymb, exceptthat the pedicels branch from about the same point (Milkweed). | |||
Panicle,  compound raceme(Blue-grass). | |||
| Thyrsus, a compact panicle (Lilac). | |||
| Flowers sessile | - | Spike,  same as raceme withflowers sessile (Mullein). | |
Spādix,  a fleshy spike,generally enveloped by a large bract called a Spāthe,  (Calla Lily). | |||
Ȧment or Catkin,  aslender pendent spike, with scaly bracts (Birch). | |||
Head or Capitulum,  ashortened spike, reduced to a globular form (Clover). | |||
(b.) Definite or Determinate, flowers all terminal. Inflorescence centrifugal.
Cyme,
flat-topped or rounded inflorescence (Elder).
Fascicle, a compact cyme (Sweet-William).
Glomerule, a cyme condensed into a head (Mint).
Verticillaster,
two opposite glomerules joined (Motherwort).