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Published online by Cambridge University Press: 15 September 2014
The affinities of the order Lentibulariaceæ having hitherto been somewhat obscure, the author undertook the investigation of the floral organogeny of P. vulgaris, in the hope of being able to throw some light on the subject.
A plant of P. vulgaris, examined during the flowering season, exhibits a short axis with “radical” leaves spreading as a rosette, and terminated by an unstalked umbel of ebracteate flowers.
* The observations on the embryo of this species were made after the paper had been submitted to the Society.