. The American botanist and florist: including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union. Botany; Botany. 48 STRUCTURAL BOTANY. Btigma of Mirabilis ; the linear stigma of Gyromia; the feathery stigma of Grasses; the filiform stigma of Indian com; the lateral stigma of Aster; the petaloid stigmas of Iris; the hooded stigma of Violet (141-149).. PisMs.—Ul, Symphytnm, basilar style, ovary 4-parted. 142, ? Flower of Erablica (Eupborbiaceae), br
. The American botanist and florist: including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union. Botany; Botany. 48 STRUCTURAL BOTANY. Btigma of Mirabilis ; the linear stigma of Gyromia; the feathery stigma of Grasses; the filiform stigma of Indian com; the lateral stigma of Aster; the petaloid stigmas of Iris; the hooded stigma of Violet (141-149).. PisMs.—Ul, Symphytnm, basilar style, ovary 4-parted. 142, ? Flower of Erablica (Eupborbiaceae), branching styles. 143, Mirabilis Jalapa, fjlobular stigma. 144, Flower of Luzula, stigmas linear. 145, Feathery stigmas of a Grass. 146, Stigmas of Aster. 147, Kuraes. 148, Poppy. 149, Filiform stigma of Zea Mays (Corn). 137. In the Pine, Cedar, and the Coniferse generally, both the style and stigma are wanting; and the ovary is represented only by a flat, oj^en, carpellary scale, bearing the naked ovules at its base. Eeview.—123. What the Gynceeinm regularly consists of How it may vary. Varia- tions in number. What is the meaning of trigynous, etc. ? 125. How to know the simple pistil. Its members. Which is non-essential ? Define the carpel. How it is folded. Proofs of the theory. Explain by figs. 124, 125. Define placentae. The Pea-pod as a simple carpel. Describe the stigma. 130. Various degrees of union in the pistils. Six signsindicating the number of carpels. First mode of cohesion. Four theorems. Second mode. Two theorems. Explain the free axial placenta. Peculiar forms (141-149). 137. Stigma in the Pine. CHAPTER IX, THE OVULES. 138. The ovules are understood to be transformed buds, des- tined to become seeds in the fruit. Their development from the margins and inner surface of the carpel favors this view; for the oi"dinary leaves of Bryophyllum and some other plants do habit- ually j^roduce buds at their margin or on their upper surface; and in the Mignonette, ov
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1870
