TERMINOLOGY: 65 
fi. Double hook, (glochis), that is stiff, divided 
at the point; and bent back towards both 
sides*. 
§ 51. 
_ Before we proceed to the description of the par- 
ticular parts of the flower, it is necssary to treat of 
the flower-stem, or, in other words, of the mode of 
flowering or inflorescence, (inflorescentia). The fol- 
lowing kinds of inflorescence have been ican : 
The Whirl (verticillus), the Head (capitulum), t 
Ear (spicula), the Spike (spica), the Raceme pas 
mus), the Corynibus, the Fasciculus, the Umbel, (um-= 
bella), the Cyme (cyma); the Panicle (panicula), the 
Thyrse (thyrsus), the Spadix, and the Catkin (amens 
tum) 
§ 52. 
A WHIRL, (veriicillus), consists of several flowers 
that encircle the stem, and stand uncovered at inter- 
vals upon it. Of this there are the following kinds. 
1. Sitting, (sessilis); when all the flowers sit close 
to the stem without foot-stalks, as in the field-mint, 
Mentha arvensis: 
2. With a foot-stalk, ( pedunculatus), when the 
flowers are furnished with short foot-stalks. 
3. Half, (dimidiatus), when the flowers surround 
* The various form of the hair here described is proper to 
all the parts of a plant, and is only to be observed by a mag- 
nifying glass. | 
E only 
