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  1. 115 理学系研究科・理学部
  2. The Journal of the College of Science, Imperial University of Tokyo, Japan = 東京帝国大学紀要 理科
  3. 35
  1. 0 資料タイプ別
  2. 30 紀要・部局刊行物
  3. The Journal of the College of Science, Imperial University of Tokyo, Japan = 東京帝国大学紀要 理科
  4. 35

Studies on the Luminous Fungus, Pleurotus japonicus sp. nov

https://doi.org/10.15083/00037745
https://doi.org/10.15083/00037745
745d93e3-1139-44dc-aa6c-dbd820d4202b
名前 / ファイル ライセンス アクション
jcs035003.pdf jcs035003.pdf (2.2 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2010-02-08
タイトル
タイトル Studies on the Luminous Fungus, Pleurotus japonicus sp. nov
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
ID登録
ID登録 10.15083/00037745
ID登録タイプ JaLC
著者 Kawamura, Seiichi

× Kawamura, Seiichi

WEKO 136626

Kawamura, Seiichi

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抄録
内容記述タイプ Abstract
内容記述 The chief result of my observations on Pleurotus japonicus may be summarized as follows: 1. The fungus belongs to the genus Pleurotus, being characterized by the position of stem at one side of pileus, by the decurrent gills, by the spores presenting white color when caught in a mass, & c. It somewhat resembles Pleurotus rapidus Kalchbr. and Pleurotus ostreatus Jacq., but apparently represents a new and distinct species. 2. The fungus usually grows in clusters, overlapping one another, on the decaying trunk of the beech (Fagus sylvatica L. var. Sieboldi Maxim.), which is the only host as yet known. It is found in the Autumn. 3. The light is emitted by the gills only; all other parts of the fungus, including spores, are not luminous. The gills are uniformly luminous all over. Both hymenium and trama of gills are luminous. The juice squeezed out from the luminous gills are non-luminous. 4. The minimum and maximum temperatures in which the present fungus emits light are 3-5℃. and 40℃. respectively. The optimum temperature may be put down at 10-15℃. 5. In nitrogen gas, the luminosity begins to fade after ten seconds, becomes very feeble after fifty seconds, is scarcely recognizable after one minute and twenty seconds, and finally becomes completely invisible after one minute and forty seconds. In hydrogen gas, it begins to fade after ten seconds and becomes invisible in thirty minutes. In ether vapor, the light becomes invisible after one minute and fifty seconds, and if immediately after that, the object be taken out into the air, the luminosity returns after thirty seconds. In chloroform vapor, it vanishes in fifty-five seconds. Exposure to oxygen gas causes no change in the luminosity. Gills with faded luminosity become temporarily highly luminous some minutes after being in gaseous either or chloroform. 6. The fungus with luminous area of about 100 sq. cm. gives sufficient light for seeing Roman alphabets of about 8 mm. diameter in the dark. The luminosity can be fully perceived at a distance of thirty metres or more. 7. The light is white in color, not greenish, bluish or yellowish as in almost all other cases of luminous fungi. Photographic images of the luminous surface of the fungus taken in the dark room, by exposure of seven and half hours and also of twenty-four hours, were all very faint. Good dark prints on white background were secured of the leaves placed between the luminous fungus surface and a photographic dry-plate, by an exposure of one hour and fifty minutes.
書誌情報 Journal of the College of Science, Imperial University of Tokyo

巻 35, p. 1-29, 発行日 1915-12-30
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA00695779
書誌レコードID
識別子タイプ NCID
関連識別子 BA29455243
フォーマット
内容記述タイプ Other
内容記述 application/pdf
日本十進分類法
主題Scheme NDC
主題 474.85
出版者
出版者 Inperial University of Tokyo
出版者別名
東京帝國大學理學部
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