344 OF GALLS AND 



rat us, the Sweet Pea of our gardens, a native 

 of a very hot climate, at the summits of 

 whose flower-stalks are generally found the 

 rudiments of one or more flowers, not at- 

 tempted to be perfected. So also the first 

 Barley sown on the sandy heaths of Norfolk, 

 and indeed too many a following crop, bears 

 very few grains in an ear ; for the same 

 meagre supply of nourishment, bestowed 

 equally on a numerous spike of blossoms, 

 would infallibly starve them all. In like 

 manner one seed only is perfected in the 

 best wild Arabian Coffee, known by its round 

 form ; while the West Indian plantation Cof- 

 fee has two in each berry, both consequently- 

 flattened on one side. The former grows in 

 barren open places, in situations sufficiently 

 favourable for the impregnation of its blos- 

 soms, but far less so for the perfecting of 

 much seed; while the latter, well supplied 

 with manure and moisture, is enabled to 

 bring every germ to maturity. C 



Very strange effects are often produced 

 upon plants by the attacks of insects, whence 

 the various kinds of Galls derive their origin. 

 These are occasioned by the punctures of 



