Julius von Sachs’s views on stomata seem largely correct, but CD cannot understand how leaves can survive submerged for such long periods.

Has been observing Drosera and concludes that none of the movement of the tentacles is caused by growth.

Suggests observations to show role of pulvinus in leaf movement.

Asks what position the sub-peduncles assume when the main flower peduncle of Oxalis is tied so as to be horizontal.

Asks whether FD can find some plants at Kew for CD to trace epinastic and hyponastic movements.

Will be interested to read BP’s work on history [of evolution?].

A learned Jew in Poland [Napthali Lewy?] has published a volume showing that evolution is an ancient belief.

Writing on vegetable physiology.

Nothing in CD’s life has ever interested him more than the fertilisation of such plants as Primula and Lythrum.

Thanks EBA for the copy of the Student’s Magazine.