Orange flower, Mexican, [369]
Orange, Osage, the, [83]
Orchard, the, garden, [338]-[341]
Osmanthus, [31], [181], [479];
ilicifolius, [249], [254], [256];
as a hedge, [329];
i. purpureus, [254]
Ostrya carpinifolia, [479];
virginica, [479]
Oxycoccus, [31]