. Introduction to cryptogamic botany. Cryptogams. INTKODUCTION TO CEYPTOGAMIC BOTANY. 437 fully observed the morphosis of the elaters.* The sporangia are at first filled with a mass of oblong cells, some of which are broader than the others. The protoplasm of the broader contracts into a number of separate masses. These occasion- ally are divided again longitudinally, so as to form a double row, and in either case each becomes a mother cell. The narrower, on the contrary, produce the elaters (Fig. 91, b).. rig. 91. a. Fruit of Cronida paradoxa. From a sketch in the Hookerian Herbarium. 6. End
. Introduction to cryptogamic botany. Cryptogams. INTKODUCTION TO CEYPTOGAMIC BOTANY. 437 fully observed the morphosis of the elaters.* The sporangia are at first filled with a mass of oblong cells, some of which are broader than the others. The protoplasm of the broader contracts into a number of separate masses. These occasion- ally are divided again longitudinally, so as to form a double row, and in either case each becomes a mother cell. The narrower, on the contrary, produce the elaters (Fig. 91, b).. rig. 91. a. Fruit of Cronida paradoxa. From a sketch in the Hookerian Herbarium. 6. End of elater oi Marchantia polymorpha. c. One of the broad cells with the endochrome breaking up into mother cells, after Henfrey. d. Section of Archegonium of ditto, with embryo cell, and the proper invrolucre at the base, after Hofmeister. This, in situ, is dependent. e. Antheridium of Targionia, after Thuret. /. Spermatozoids of the same. g. Sporangium of M. polymorpha, and proper (See Fig. 92, d.) All more or less magnified. * Linn. Trans., vol. xxi., p. 103. t This is said to be formed from the pistillidium, by Henfrey, 1. c. The pistillidium or archegonium, however, is adherent to the base of the peduncle when the sporangium is 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 Berkeley, M. J. (Miles Joseph), 1803-1889. London, New York, H. Bailliere; [etc. ,etc]
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