. Nature and development of plants. Botany. 3i6 NATURE OF THE SPORANGIA from the mother cells as in the Bryophyta and are discharged from the sporangia through a transverse cleft (Fig. 215, E). It is interesting to note in a closely allied order occurring in the -'0:' â â. Fig. 216. Cross-section of a stem of BotrycMum: p, pith; x, xylem; m, medullary ray; c, cambium; ph, phloem; e, endodermis; cr, cortex.â After Jeffrey. tropics, that the sporangia are developed directly upon the leaves (Fig. 217) instead of upon special branches and that they are sometimes associated together in groups, know
. Nature and development of plants. Botany. 3i6 NATURE OF THE SPORANGIA from the mother cells as in the Bryophyta and are discharged from the sporangia through a transverse cleft (Fig. 215, E). It is interesting to note in a closely allied order occurring in the -'0:' â â. Fig. 216. Cross-section of a stem of BotrycMum: p, pith; x, xylem; m, medullary ray; c, cambium; ph, phloem; e, endodermis; cr, cortex.â After Jeffrey. tropics, that the sporangia are developed directly upon the leaves (Fig. 217) instead of upon special branches and that they are sometimes associated together in groups, known as sori ( 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 Curtis, Carlton Clarence, 1864-1945. New York, H. Holt
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