SILIQUA. A pod-like fruit with two valves that separate from a central membrane to which the seeds are attached, 12 SOLITARY. Arranged singly, 8 SPATHULATE. Spoon-shaped, 7 SPIKE. An inflorescence in which the flowers are sessile along a common axis, 8 STAMENS. The flower organs that produce the pollen, 9 STAMINATE. Applied to a flower that has stamens but no pistil, 12 STIGMA. The part of the pistil which receives the pollen, 10 STIPULATE. Having stipules, 4 STIPULES. Scaly or leafy organs at the base of a leaf, 4 STOMATA. The openings in the epidermis of plants, 318 STYLE. The stalk that supports the stigma, 10 SUPERIOR. Above. Applied to the calyx when it is on the ovary, and to the ovary when it is free from the calyx or perianth, 10 TERNATE. Consisting of three parts, 7 UMBEL. An inflorescence in which the flower-stalks all radiate from one point, 9 WHORL. A term applied to organs or parts arranged around a common centre, 5 THE END PRINTED BY SPOTTISWOODE AND CO. LTD., COLCHESTER LONDON AND ETON * * * * * Transcriber's note: Inconsistent hyphenation in the original has been retained in this version. P. 24 "net veneid" changed to "net veined" P. 40 "Lombardy Polar" changed to Lombardy Poplar P. 75 "which peals off" changed to peels off P. 78 "and peals off" changed to peels P. 81 "of a glaucus green" changed to glaucous P. 93 "Wild Strawbery" changed to Strawberry P. 94 "Caprifoliacæ" changed to Caprifoliaceæ P. 118 "stems each bears a" changed to bear P. 119 "It leaves are" changed to Its P. 124 "Glancous" changed to Glaucous P. 207 "is usually nubranched" changed to unbranched P. 228 "Convolvulacæ" changed to Convolvulaceæ Plate VI caption. "Spring Rest Harrow" changed to "Spiny Rest Harrow" as detailed in the Erratum. P. 265 "which is somewhat resembles" changed to it P. 272 "Vacciniam" changed to Vaccinium P. 272 "Crowberry" changed to Cowberry P. 304 "Great Mullien" changed to Mullein P. 367 et seq. Section numbers corrected - 11 was omitted in original P. 368 Added 253 to entry "Toad Rush"