PHYSICAL AND LITERARY. 247 



things concerning this difcourfe. imo, 

 That, according to it, the apices of barren 

 flowers fhed their dufl: all at once, by a 

 kind of explofion : But fertile flowers, 

 flowly and by degrees, and commonly be- 

 fore they open, or expand their covers ; 

 but he gives only the parietaria for an in* 

 (lance. 



2do, That he has demonftrated that 

 the dull of the apices cannot enter the 

 feeds ; becaufe the ftylus is not always 

 hollow, but often folid : And, although it 

 were hollow or tubular into the feed-vcf- 

 fel, it could not thus convey the dufl into 

 the feeds, without penetrating their pro- 

 per covers or fhells, Befides he aflerts^ 

 and that truly too, that this dull does not 

 enter even the cavity of the fruit; as may 

 be feen by opening the heads of the papa^ 

 ver orientate hirfutijjimum fiore magna, 

 T. Cor, p. 1 7. when the flower is ful- 

 ly blown. For, though the upper part 

 of the heads are then covered with the 

 purple duft of the apices ; yet the feeds, 

 partitions to which they adhere, and all 

 within the the fruit, continue perfectly 



white. 



