Items related to The elements of botany, structural, physiological,...
The elements of botany, structural, physiological, & medical; being a 6th ed. of the outline of the first principles of botany, with a sketch of the ... and a glossary of technical terms - Softcover
Synopsis
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1849 Excerpt: ...characterised by the number of styles or sessile stigmas. Monogynia signifies 1 style; Digynia, 2; Trigynia, 3; Tetragynia, 4; Pentagynia, 5; Hexagynia, 6; Heptagynia, 7; Octogynia, 8; Enneagynia, 9; Decagynia, 10; Dodecagynia, &c. about 12; Polygynia, a great many. Class 14. Didynamia: Stamens 4, two long and two short. Orders: 1. Gymnospermia, seeds apparently naked; 2. Angiospermia, seeds evidently in a seed-vessel. Class 15. Tetradynamia: Stamens 6, four long and two short. Orders: 1. Siliquosa, with a long pod; 2. Siliculosa, with a short pod or pouch. Class 16. Monadelphia: Filaments united into a cup or column. Orders: 1. Pentandria; 2. Decandria, fcc. as before. Class 17. Diadelphia: Filaments united into two parcels or fraternities. Orders: 1. Hexandria, &c. as before. Class 18. Polyadelphia: Filaments united into more parcels than two. Orders: 1. Dodecandria; 2. Icosandria, fec. as before. Class 19. Syngenesia: Anthers united into a tube. Orders: 1. Monogamia, flowers solitary; 2. Polygamia, flowers in heads. Suborders of the latter: 1. jEqualis, florets all equal; 2. Superflua, florets of the disk complete, of the ray female; 3. Frustranea, florets of the disk complete, of the ray neuter; 4. Necessaria, florets of the disk male, of the ray female; 5. Segregata, florets each with its own proper involucre. Class 20. Gynandria: Stamens and styles consolidated. Orders: 1. Monandria, &c. as before. SEXUAL SYSTEM. 125 Class 21. Moncecia: Stamens in one flower, pistils in another, on the same plant. Orders: 1. Monandria, &c. as before. Class 22. Dioecia: Stamens in one flower, pistils in another, on different plants. Orders: 1. Monandria, fec. as before. Class 23. Polygamia: Stamens and pistils separate in some flowers, united in others,...
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