Note 1128 — Chapter VII · (continued 2)

The classification by cotyledons has been so successful, that, ‘with very few exceptions, however, nearly all plants may be referred by any botanist, at a single glance, and with unerring certainty, to their proper class; and a mere fragment even of the stem, leaf, or some other part, is often quite sufficient to enable him to decide this question.’ Henslow's Botany, p. 30. In regard to some difficulties still remaining in the way of the threefold cotyledonous division of the whole vegetable world, see Lindley's Botany, vol. ii. pp. 61 seq.