( H73 ) 
nd the Seeds that are caft into the Earth do again contcy 
by the fame firing, whereby they reeeiv d their Incrcafe, 
Nouriftiraent to the Seed or Kernel 
We have difcoverd that there are fome Animalciala 
which have no Males among th^m, and the fame is ob- 
fer Table among a few fpecies of Fifhes alfo. 
Thefe Animalcula and thefe Fifties may be compard to 
fome Seeds, that have no other fabftance in them befides 
the Plant itfelf and the Membranes that iovclopc it 3 fuch 
are the Seed of the Beach trec, and, if I miftakc not, the 
Seed of Grefles like wife, 
Amongft the Seeds, whofe Strings (whereby their Nou- 
rifhment, d^r. isderiv'd to them) I have not formerly dif* 
covered, there are the Wall-nut and the Chef nut, but 
within a fe^r days ! have alfo found out their ftrings. 
A little while before the laft Sicknels and Death of the 
famous Ckriftian Hngens^ Lord of T^niUchem^ being together 
in his Study, he told me, that we were arriv d to the ut-> 
moft degree of knowledge in our obfervations of Heavenly 
Bodies, and confequently that there remained nothing more 
to be feen of fatd concerning them : I might likewife fay, 
that we have penetrated fo deeply into the greatfecrets of 
the Seeds both of Animals and PlantSjthat we feem to be at 
the end of our Difcoverics v but however I may be miftaken 
in thofe Sentiments. 
Now fince I have been able, v/ith a little Sand and Water, 
fhut up in a Copper-box or Glafs-Tube, and a moderate 
heat,to bring certain Seeds to maturity,vvhich in our Climate 
are of along and tedious growthjWhatcan thofc men fay for 
themfelves that talk fo much of the influx of Celeftial Bo- 
dies, vi%, the Sun, Moon and Stars, and th^t will not al- 
low us to Plant and Sow our Seeds,' but at fuch an age of 
the Sun and Moon, and under fuch a Sign and Conftclla^ 
tion. 
For my part, I know no other fecret in Vegetation, bur 
a co.mpleat heat of the Sun, and a inft quantity of Wster 
