V A 



lafis of the leaf infolding the ftem, as in a 

 iheath. 



- VAGINATUS Caulh, Cubnus [Vagina, a 

 fheath] when they are flieathed by the bafis of 

 their leaves, as in the Polygonum amphibium, and 

 all the Gramina. 



VALVULA, a valve ; the pieces of the ex- 

 ternal fubftance which, in that fpecres oi peri- 

 carpum termed Capjula, inclofcs the feed or 

 fruit i paries quo fru5lus tegitur externe. 



VARIETAS, variety ; the fourth fubdivi- 

 fion in the Linnsean fyftem ; it comprehends 

 the various appearanees^j6b<ervable in plants 

 produced from the fame kind of feed. The 

 caufes of this variety are the differences of cli- 

 mate, fituation, or fowl ; and the mode of their 

 appearance is either in magnitude, plenitude, 

 fhape, colour, tafte, or fmell. 



VASA [a vsfcendo, to be eaten, quid in ea 

 vefca ponantur'] veilcls. Vegetables are compo- 

 fed of at ieaft three fpecies of veflels, vi%. Va- 

 fa fuccofa, which convey their juices ; Utricul:, 

 which preferve them ; and Trachea, which at- 

 tract the air, like the lungs of animals, 



VE- 



