Almond, i. 337;
antiquity of, ii. [429];
bitter, not eaten by mice, ii. [232].
Alnus glutinosa and incana, hybrids of, ii. [130].
Alpaca, selection of, ii. [208].
Althæa rosea, i. 378, ii. [107].
Amaryllis, ii. [139].
Amaryllis vittata, effect of foreign pollen on, i. 400.
Amaurosis, hereditary, ii. [9].
America, limits within which no useful plants have been furnished by, i. 310;