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 . freefrom the one seed which it contains, and tipped with the remainsof the style (Buttercups, Lithospermum). The double achenium of the LTmbellifersB, supported on a carpopliore, is called cremo-carp (177). The 2-carpelled achenium of the Compositse, usually crowned with a pappus,is called cypsela (178). The achenia are often mistaken for seeds. In the
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 . freefrom the one seed which it contains, and tipped with the remainsof the style (Buttercups, Lithospermum). The double achenium of the LTmbellifersB, supported on a carpopliore, is called cremo-carp (177). The 2-carpelled achenium of the Compositse, usually crowned with a pappus,is called cypsela (178). The achenia are often mistaken for seeds. In the Labiatte and Borrageworts they areassociated in fours (111). In Geum, Anemone, etc., they are collected in heads. Therich pulp of the Strawberry consists wholly of the overgrown receptacle, which bears thedry achenia on its surface (184), 152. The iitrlclG is a small, thin pericarp, fitting loosely uponits one seed, and often oj^ening transversely to discharge it(Pigweed, Princes Feather). FORMS OF THE PERICAEP. 55 153. Caryopsis, the grain or fruit of the Grasses, is a thin, dry,1-seeded pericarp, inseparable from the seed. 154. Samara; dry, 1-seeded, indehiscent, furnished with amembranous wing or wings (Ash, Elm, Maple). 184176 ^ ^ ^. 176, Acheuia of Anemone thalictroides. 177, Cremocarp of Archan^elica officinalis, its halves (mero-carps) separated and suspended on the carpophore. 178, Cjpsela of Thistle with its plumoiis , Utricle of Chenopodinm (Pijcweed). 185, Caryopsis of Wheat. 181, Samara of Elm. 182, Glaus ofBeech. 183, Drupe of Prunus. 181, Fruit of Fragaria Indica, a fleshy torus like the Strawberry. 155. Glans^ or nut; hard, dry, indehiscent, commonly 1-seededby supj)ression (§ 145), and invested with a persistent involucrecalled a cupule, either solitary (Acorn, Hazelnut) or severaltogether (Chestnut, Beechnut). 156. Drupe^ stone-fruit; a 3-coated, 1-celled, indehiscent peri-carp, exemplified in the Cherry and Peach. The outer coat(epidermis) is called
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1870
