- TERMINOLOGY. — 87 
2. A discoid flower, (jos discoideus, s. flosculosus). 
¢onsists intirely of tubular florets, (corolle tubulose), 
as in thistles. 
- Aradiate flower, (flos radiatus), has tubular 
coh in the middle, and tongue-shaped florets in 
the circumference, fig. 7501 Uhe middle, consisting 
ef tubular florets, is called the disc (discus), and the 
circumference, containing tongue-shaped florets, is 
called the ray (radius). 
4. A semiradiate flower, (/los semiradiatus), when 
there are tongue-shaped florets only on one side. 
Suoile 
Another important part of the flower is the NEC- 
TARY, (vectarium). Linnzeus comprehends in this 
all those bodies which have no resemblance to the 
_ other parts of the flower, in whatever variety of 
forms they may appear. ‘These bodies, however, do 
not all secrete a sweet juice (nectar), and therefore 
do not all deserve the name of Nectarium. 1 shail 
in the mean time preserve this established name, and 
distinguish the various kinds by their functions. 
Nectaria may be divided into such as really secrete 
a sweet juice or honey, or serve for the preservation 
of it; or those which protect the true secretory 
organs or stamina, and also serve for promoting the 
impregnation. 
a S ows ( 
Nectaria, which really secrete and exude honey, 
° @, 
are glands (glandul@), or nectariferous scales or 
I 4 pores, 
