. The essentials of botany. Botany. PBANEBO&AMIA. 229 486. The mature embryo-sac is a considerable cavity con- taining several rounded masses of protoplasm, one of wbicb is the germ-cell. As the tissues of the ovule-body can suf-. FiG. 180.—Diagrammatic longitudinal sections of ovules, fc, the body of the ovule, with its embi'yo~sac, em; az, the outer, and ii, the inner, coat; m, the opening in ovule-coat (micropyle); c, the base of the ovule; /, the ovule-stalk; A^ ovule; B^ an inverted ovule; the long stalk, /, has fused with the outer coat of one side of the ovule. ficiently

---

. The essentials of botany. Botany. PBANEBO&AMIA. 229 486. The mature embryo-sac is a considerable cavity con- taining several rounded masses of protoplasm, one of wbicb is the germ-cell. As the tissues of the ovule-body can suf-. FiG. 180.—Diagrammatic longitudinal sections of ovules, fc, the body of the ovule, with its embi'yo~sac, em; az, the outer, and ii, the inner, coat; m, the opening in ovule-coat (micropyle); c, the base of the ovule; /, the ovule-stalk; A^ ovule; B^ an inverted ovule; the long stalk, /, has fused with the outer coat of one side of the ovule. ficiently nourish the germ-cell, there is little or no develop- ment of the first stage (prothallium) at this time, and there is an almost complete suppression 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 Bessey, Charles E. (Charles Edwin), 1845-1915. New York : H. Holt and company, ;

---

Size: 1900px × 1315px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1890, bookpublisher, booksubjectbotany