I began this work on Drosera in relation to GRADATION as throwing light on Dionaea.
"The Life and Letters of Charles Darwin, Volume II (of II)" by Charles Darwin
Druga stood astonished to see the fabled Amphis-Baena here in the bed of Dionaea, and with the head of Dionaea!
"Daughter of the Night" by Richard S. Shaver
It is an endless subject, and I must cut it short, and for this reason shall not do much on Dionaea.
"Charles Darwin: His Life in an Autobiographical Chapter, and in a Selected Series of His Published Letters" by Charles Darwin