Botanick essays [microform] : in two parts : the first containing the structure of the flowers, and the fructification of plants, with their various distributions into method, and the second, the generation of plants, with their sexes and manner of impregnating the seed : also concerning the animalcula in semine masculino : together with the nourishment of plants, and circulation of the sap in all seasons, analogous to that of the blood in animals : with many curious remarks, and several discoveries and improvements / by Patrick Blair.