Serological Investigation of Selected Amentiferous Taxa

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Abstract
Quantitative and qualitative analyses for serological affinities within and among taxa of selected families of the Amentiferae were employed. There was good agreement between protein similarity as measured by the Boyden procedure and number of immunoprecipitating systems remaining after presaturation of the experimental sera. The Myricaceae, Juglandaceae and Fagaceae revealed a degree of serological correspondence sufficient to warrant retaining them in the subclass Hamamelidae. The low levels of serological correspondence among taxa from these 3 families and the Anacardiaceae indicated a placement of the Anacardiaceae in a position divorced from the others tested. Data provided support for Cronquist''s and Takhtajan''s classification of these taxa. This investigation indicated that pollen, with its high protein content, provided an excellent source of extractable antigens for systematic serological research.

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