Study the external features and anatomy of different plant parts of rhynia from the permanent slides. External Features of Rhynia: 1. Plant body was sporophytic. 2. Rhynia major was bigger and attained a height of 50 cm. with a diameter of 1.5 to 6 mm.,while R.gwynne-vaughani (Fig. 206) had a height of 20 cm. and […]
Features and Anatomy of Rhynia (With Diagram)
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Classification of Pteridophyta | Botany
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In this article we will discuss about the classification of pteridophyta. i. Eusporangiate type, in which the sporangium develops from a group of superficial initials, e.g., Selaginella, Equisetum. ii. Leptosporangiate type, in which the sporangium develops from a single initial, e.g., Marsilea. a. Spores develop into a multicellular, gametophytic body called prothallus. b. Two sex […]
Anatomy of Pteridium (With Diagram) | Pteridophyta
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In this article we will discuss about the anatomy of pteridium. Cut thin transverse sections of root, rhizome, rachis and pinnule with the help of a sharp razor,double stain them with safranin-fast green combination, mount in glycerine and study under low and high powers of your microscope. Anatomy of Root: 1. It is circular in […]
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