POTATOS. 
393 
perimental work, especially if aided by photographs * illustrating 
various stages in the history of the experiments I have con- 
ducted. To these I have added a few examples of related species. 
We have already seen that the Potato was introduced into 
Europe early in the sixteenth century, and into England about 
No. 3. — Eki'roductiox of Gekarde's Engraving of the Virginian Potato. 
Fig. 32. 
the year 158G. I wish I could show you a picture of what the 
Potato was like as first grown by Sir Walter Raleigh and others ; 
but photography was not then known, and I have not met with 
any authentic engraving of that time. 
The first illustration is a portrait of Gerarde, reproduced 
from the frontispiece of his well-known "Herbal," audit will 
* The illustvations wore shown during the dehvery of the lecture by 
means of lantern slides, prepared by Messrs. Newton for the purpose. 
E 
