JDH thanks Otto Stapf for the greetings the latter conveyed on behalf of all the RBG Kew herbarium staff on the occasion of JDH's 90th birthday. He looks back on his time working in the herbarium and library of Kew as 'the happiest of my scientific life' and places great value on the work done by all the dedicated employees, without whom he could not have completed his own labours. He asks that his thanks be past to the staff along with the sentiment that JDH believes in ' he enduring scientific value & the renown of the unique establishment entrusted to their care'.