Definitionn. calyx composed of scales or bristles or featherlike hairs in plants of the Compositae such as thistles and dandelions
Last update: June 23, 2015
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Of lost works by Archimedes we can identify the following: (I) investigations on polyhedra mentioned by Pappus; (2) Archai, Principles, a book addressed to Zeuxippus and dealing with the naming of numbers on the system explained in the Sand Reckoner; (3) Peri zygon, On balances or levers; (4) Kentrobarika, On centres of gravity; (5) Katoptrika, an optical work from which Theon of Alexandria quotes a remark about refraction; (6) Ephodion, a Method, mentioned by Suidas; (7) Peri sphairopeoia, On Sphere-making, in which Archimedes explained the construction of the sphere which he made to imitate the motions of the sun, the moon and the five planets in the heavens. [Please select]
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It is true that it is only an annual; but, like the Dandelion, it has a pappus attached to its seed. [Please select]
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At this news the company started up in fresh alarm, Pappus, the mathematician, cried out: "The conflagration has begun." [Please select]
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It was composed externally chiefly of moss, intermingled with dried leaves and fibres; the egg-cavity was warmly and thickly lined with a felt of pappus. [Please select]
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Yes; the Dandelion has what is called a "pappus" attached to its seed, rather similar to the feathery tail of the Traveller's Joy. [Please select]
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