 | Achille Richard - Botany - 1831 - 604 pages
...transparent, and having no adhesion to the first. When submitted to the action of water, the inner membiane swells, the outer bursts at some part of its surface,...prolongations at two opposite points, as in (Enothera bienais. The cavity of the inner membrane is filled with spherical granules, of extreme minuteness,... | |
 | William Rhind - 1841 - 756 pages
...external, thicker, and furnished with pores, and sometimes more or less HISTORY OF THE VEGETABLE KINGDOM. prominent appendages ; the other internal, thin, transparent,...issues a tubular prolongation, which forms a kind of bag, first observed by Needham. Sometimes two prolongations issue, at two opposite points. The cavity... | |
 | William Rhind - Botany - 1857 - 874 pages
...organization. It is composed of two membranes, the one external, thicker, and furnished with lores, and sometimes more or less prominent Appendages; the...issues a tubular prolongation, which forms a kind of bog, first observed by Needham. Sometimes two prolongations issue, at two opposite points. The cavity... | |
 | Marvin T. Wheat - African Americans - 1862 - 520 pages
...organization. It is composed of two membranes, the one external, thicker, and furnished with pores, aud sometimes more or less prominent appendages; the other...issues a tubular prolongation, which forms a kind of bag, first observed by Needham. Sometimes two prolongations issue, at two opposite points. The cavity... | |
 | Marvin T. Wheat - Slavery - 1863 - 634 pages
...which traces may still be perceived. Each grain of pollen, whose form, as has already been remarked, is very variable, presents a uniform organization....issues a tubular prolongation, which forms a kind of bag, first observed by .Needham. Sometimes two prolongations issue, at two opposite points. The cavity... | |
 | Marvin T. Wheat - African Americans - 1862 - 630 pages
...adhesion to the first. When submitted to the action of water, the inner membrane swells, the outer burste at some part of its surface, and through the opening...issues a tubular prolongation, which forms a kind of bag, first observed by Needham. Sometimes two prolongations issue, at two opposite points. The cavity... | |
 | American Horticultural Society - Fruit-culture - 1886 - 252 pages
...the first. When submitted to the action of water^the inner membrane swells, the outer bursts at nome part of its surface, and through the opening thus formed there issues a tubular prolongation similar to " C," Fig. 2. The part this performs will be shown later on FIG. 2. 168 in our remarks.*... | |
 | American Horticultural Society - Fruit-culture - 1886 - 254 pages
...the first. When submitted to the action of water the inner membrane swells, the outer bursts at'some part of its surface, and through the opening thus formed there issues a tubular prolongation similar to "C," Fig. 2. The part this performs will be shown later on FIG. 2. in our remarks.* We will... | |
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It is composed of two membranes, the one external, thicker, and furnished with pores, aud sometimes more or less prominent appendages; the other internal, thin, transparent, and having no adhesion to the first. When submitted to the action of water, the... 