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tanical knowledge, or call to your recollec- 
tion a line in any claffical author; except 
the Hedera, which Virgil tells us, indicates 
a cold foil. 
at feeler at am exqttirere frigus 
Difficile eft: pieces tantum, faxiquc nocentes 
Inter -dum, aut hederce pandunt veftigia nigrce. 
Nigrte, I fuppofe, becaufe the berries are 
black. That poets were crowned with Ivy 
we learn from this line. 
Paflores hederd crefcentem ornate poet am. 
You will not find the Ivy in blofTom till 
October: it is of the Clafs and Order Pen- 
tandria Monogynia. 
You are now qualified to proceed with 
eafe, if you feel delighted in the purfuit: if 
not, you have learnt no more than, I fhould 
imagine, every man who has had the ad- 
vantage of an Univerfity education, ought 
to know. But, in the Sciences, alps on alps 
are continually arifing before us. Happily 
for the Enthufiaft in knowledge, he is in 
no danger of weeping with the Macedonian 
madman, that there are no more worlds to 
conquer. In the Linnaean Syftem of Botany, 
Y 4 the 
