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Image from page 149 of "The Encyclopaedia Britannica; ... A dictionary of arts, sciences and general literature" (1902) : 無料・フリー素材/写真

Image from page 149 of "The Encyclopaedia Britannica; ... A dictionary of arts, sciences and general literature" (1902) / Internet Archive Book Images
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Image from page 149 of "The Encyclopaedia Britannica; ... A dictionary of arts, sciences and general literature" (1902)

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説明Identifier: encyclopaediabri04kellTitle: The Encyclopaedia Britannica; ... A dictionary of arts, sciences and general literatureYear: 1902 (1900s)Authors: Kellogg, D. O. (Day Otis), 1796-1874 Baynes, T. Spencer (Thomas Spencer), 1823-1887 Smith, W. Robertson (William Robertson), 1846-1894Subjects: Encyclopedias and dictionariesPublisher: New York : WernerContributing Library: University of California LibrariesDigitizing Sponsor: Internet ArchiveView Book Page: Book ViewerAbout This Book: Catalog EntryView All Images: All Images From BookClick here to view book online to see this illustration in context in a browseable online version of this book.Text Appearing Before Image:the spike have passed into fruit,those towardB the middle are in full bloom, and those at the top are only iAbud. Pig. 161.—Amentum or catkin of Hazel (Coryliis AvcUana), consisting of an axisor rachis covered with bracts in the form of scales (squamcE^ each of whichcovers a male flower, the stamens of which are seen projecting beyond the scale.The catkin falls off ia a mass, separating from the branch by an articulation. spikelets, which are either set closely along S central axis,or produced on secondary axes formed by the branchingof the central one j to the latter form the term panicle isapplied. If the primary axis, in place of being elongated, iscontracted, it gives rise to other forms of indefiniteinflorescence. When the axis is so shortened that thesecondary axes arise from a common point, and spread outas radii of nearly equal length, each ending in a singleflower, or dividing again in a similar radiating manner, anumbel is produced, as in fig. 162. From the primary floralText Appearing After Image:Fig. 162. (Jomponnd umbel of ComTnon Dill {Anethum graveohns), Laving a pvimaiy umbela, and secondary umbels 6, without either involucre or involucel. The petiolep of the leaf is sheathing, and has been denominated pericladium. axis a the secondary axes come off in a radiating orumbrella-like manner, and end in small umbels h, whichare called partial umbels or umbellules, to distinguish themfrom the general umbel formed by the branching of theprimary axis. This inflorescence is seen in Hemlock, andother allied plants, which are hence called Umbelliferous.If there are numerous flowers on a flattened, convex, orslightly concave receptacle, having either very short pedicelsor none, a capitulum (head), anthodium, or calathium, isformed, as in Dandelion, Daisy, and other Composite plants(fig. 146), also in Scabiosa (fig. 157) and Dipsacus. In theAmerican Button-bush the heads are globular, in somes))eciea of Teazel, elliptical, while in Scabious, and in Com-Note About ImagesPlease note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.
撮影日1902-01-01 00:00:00
撮影者Internet Archive Book Images
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