Diabetes, occurrence of, in three brothers, ii. [17].

Dianthus, contabescent plants of, ii. [165]-[166];

hybrid varieties of, ii. [267].

Dianthus armeria and deltoides, hybrids of, ii. [98].

Dianthus barbatus, i. 381.

Dianthus caryophyllus, i. 381.

Dianthus japonicus, contabescence of female organs in, ii. [166].

Dichogamous plants, ii. [90].

Dickson, Mr., on "running" in carnations, i. 381;

on the colours of tulips, i. 386.