go4 . SYNGENESIA. 
The Orpers, therefore, according to the System we 
have adopted, will be as follows: |. 1o1ea9Ne 
I. Po.yGamia aQuatis; (florets all hermaphrodite.) 
That is, when all the florets are furnished with stamens 
and pistils. (9.1.4. of the preceding table:) Pe 
I], PoLyGamra surERFua. (Florets of the circumference 
female.) That is, when the florets in the centre have 
both stamens and pistils ; but the florets in the cireum- 
ference only pistils. (2. 5. 7. of the preceding table.) 
TIT. PotyGam1a FRusTRANEA. (Florets of the circum- 
ference neutral.) That is, when the florets in the cen- 
tre have both stamens and pistils ; but the florets in the 
circumference neither. (3. 6. of the preceding table.) 
TV. PoLyGamia NucEssarta., (Necessary female florets.) _ 
That is, when the florets in the centre have both sta- 
mens and pistils ; but, from some defect in the —_ : 
pedie no seed. The florets in the cir rence 
ave pistils only, and produce perfect seeds, (8. of the 
receding table.) At” siekaeue 
V. Potyeamia Srcrecata, or a a florets.) That 
is, when several florets, each having its own pr per 
cup, are inclosed within one common calyx, so as to 
_, (The British Flora does ot Farah by ach 
this order.) : niet fe 
The plants of this class are supposed to have various 
specific virtues. Most. of. them are bitter ; none of t ee 
poisonous, except, perhaps, the Lacruca virosa, when — 
growing in shady situations, et ees PP 
The elasticity of the calyx in the Pror1s, CARDUUS; — 
and many other genera, is too remarkable to pass unnoticel 
by the slightest observer, It seems as if the expansion 
the florets first burst the calyx open, and when the — 
wither it closes again. The downy hairs that crow 
seeds, before upright, now begin to expand, and, b 
€xpansion, again open the leaves of the calyx, and bené — 
them quite back. The seeds now escape, and the ny ee 
becoming dry and withered, no longer retains. its a ase - 
power. wee (pegs Paes 
_ The hairy, or downy appendages of the seeds, ' 
them to be wafted about in the air, and disseminated © 
and wide. The structure of this down deserves, our B 
tice: there is hardly a child that is insensible to its bea} 
in the Leonropon or Dandelion, —* 
Bee eer 
