. The principles of botany, as exemplified in the phanerogamia. Botany; Botany; Phanerogams; 1854. 148 COMPOUND OKGANS OP PLANTS. the form of the cells of the anther which serves as a kind of mould. The name pollinia has been given to these agglomera- tions. It is only in the family of Orchidaceae amongst Monocotyledons, and that of Asclepiadacse in Dicotyledons that we observe solid pollen. In orohideous plants each of the pollen masses is supported on a stalk called a caudicle {cavda a tail), which carries at its extremity a glandular body called a retinaoula {retinaculum a band or rein), by


. The principles of botany, as exemplified in the phanerogamia. Botany; Botany; Phanerogams; 1854. 148 COMPOUND OKGANS OP PLANTS. the form of the cells of the anther which serves as a kind of mould. The name pollinia has been given to these agglomera- tions. It is only in the family of Orchidaceae amongst Monocotyledons, and that of Asclepiadacse in Dicotyledons that we observe solid pollen. In orohideous plants each of the pollen masses is supported on a stalk called a caudicle {cavda a tail), which carries at its extremity a glandular body called a retinaoula {retinaculum a band or rein), by means of which it is attached to the stigma. These masses when bruised divide into grains which are agglutinated together in fours. Sig. Fig. 52. a. Represents one of these pollen masses, with its caudicle. 6. The reti- nacula. c. Some of the grains separated from a similar mass to show the nature of their agglomeration. CHAPTER XII. THE QYMNCECIUM OR PISTILLINE ORGANS. The pistil occupies the centre of the flower and terminates the axis of growth. The pistils constitute collectively the Gymnoecium [yvvri pistil, and 6i,xl,ov habitation,) or female sexual organs of the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Coultas, Harland, d. 1877. Philadelphia : King & Baird


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Keywords: ., bookcentury1800, bookdecade1850, booksubjectbotany, bookyear1854