Articoli correlati a The seaweed collector, a handy guide
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. 1872 Excerpt: ...P. coccineum, scarlet. Frond much divided, tree-like; branchlets awl-shaped, clothed with tufts of minute bristle-like twiggy processes, in a cluster of which every branchlet terminates. An abundant and well-known weed, much in request for seaweed pictures. Plate B, Fig. 9. Cordylecladia. Frond cartilaginous, thread-like; spores on branched threads in a globular mass, in stalkless conceptacles; tetraspores immersed in pod-like branchlets. C. erecta, erect. Frond three inches, thread-like, branching; spores in thick spherical conceptacles, tetraspores in egg-shaped pods at the tips of the branches. A very distinct and pretty weed, in perfection in winter. Plate B, Fig. 15. Order 18.--Cryptonemiacea Fronds horny, cartilaginous or gelatinous, without joints; spores in cells sunk in the frond, or in external conceptacles; tetraspores dispersed among the cells of the periphery, or collected in son. Stenogramme, narrow-lined. Frond flat, proliferous from the margin; spores in dense clusters in linear conceptacles. S. interrupta, interrupted. Frond rising from a short stem expanding into a fan-shaped membrane, sometimes deeply cleft. A very rare deep water weed. Phyllophora, leaf-weed. Frond membranaceous, stalked, expanding in fan-shaped divisions which are cut into broad fingerlike lobes; spores in sessile or stalked conceptacles; tetraspores in external scattered warts. P. Srodicei, Brodie's. Stem cylindrical, branching into wedgeshaped lobes; root a small disc. A handsome weed of a deep red, sparingly distributed in deep water, on rocky northern coasts. Marsden, Whitby, Bambro, Holy Island. P. rubens, red. Frond expanding into wedge-shaped segments, which again divide into smaller segments, all of them furnished with an obscure midrib. A very handsome and comm...
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- EditoreRareBooksClub.com
- Data di pubblicazione2012
- ISBN 10 1236439724
- ISBN 13 9781236439727
- RilegaturaCopertina flessibile
- Numero di pagine38
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