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REPORTS of the TOTTORI MYCOLOGICAL INSTITUTE No ISSN 0388-8266 REPORTS OF THE TOTTORI MYCOLOGICAL INSTITUTE No. Reports of The Tottori Mycological Institute 47 2017 No. 47（2017） （ 菌 蕈 研 究 所 研 究 報 告 Published by The Tottori Mycological Institute 第 四 十 七 号The Japan Kinoko Research Centre Foundation Tottori, Japan 菌蕈研究所研究報告 第４７号 This issue is available on the Japan Kinoko Research Centre ） 一般財団法人 日本きのこセンター Foundation website: http://www.kinokonet.com/ 菌蕈研究所 発行 THE JAPAN KINOKO RESEARCH CENTRE FOUNDATION 一般財団法人日本きのこセンター President: Takayoshi TSUNEDA 理事長 常田亨詳 Managing Directors: Yukitaka FUKUMASA, D. Agr.; Masafumi ISHITANI 常務理事 農博 福政幸隆 常務理事 石谷雅文 THE TOTTORI MYCOLOGICAL INSTITUTE ORGANIZATION & STAFF 菌蕈研究所の機構および職員 Director 所長 農博 長谷部公三郎 Kozaburo HASEBE, D. Agr. 研究顧問 農博 甲元啓介 名誉研究員 農博 小松光雄, 農博 時本景亮 Research Advisor: Keisuke KOHMOTO, D. Agr. Emeritus Research Scientists: Mitsuo KOMATSU, D. Agr.; Keisuke TOKIMOTO, D. Agr. 事務・管理部門 石谷雅文, 中西純子（事務員），渡辺萌生（調整員） ADMINISTRATION DIVISION Masafumi ISHITANI; Junko NAKANISHI (Administrative assistant); Moe WATANABE (Coordinator) 研究部門 長谷幸一（研究補助員），磯部正雄（技師），黒田 誠（主任技師），理博 村上重幸（特別研究 RESEARCH DIVISION 員），長澤栄史（特別研究員，標本管理者）， 博士(農学）奥田康仁（主任研究員），博士(農学） Koichi HASE (Research Assistant); Masao ISOBE (Technician); Makoto KURODA (Supervisory 作野えみ（所長付部長）， 博士(農学）佐々木明正（主任研究員），田淵諒子（研究員），博士(農学） Technician); Shigeyuki MURAKAMI, D. Sc. (Research Fellow); Eiji NAGASAWA (Research Fellow, 寺島和寿（所長付部長）， 博士(農学）牛島秀爾（主任研究員） Curator of the herbarium); Yasuhito OKUDA, Ph. D. (Supervisory Research Scientist); Emi SAKUNO, Ph. D. (Associate Director for Research); Akimasa SASAKI, Ph. D. (Supervisory Research Scientist); Akiko TABUCHI (Research Scientist); Kazuhisa TERASHIMA, Ph. D. (Associate Director for Research); Shuji USHIJIMA, Ph. D. (Supervisory Research Scientist) 研究報告編集委員会 長澤栄史（長），福政幸隆，村上重幸，奥田康仁，作野えみ，寺島和寿， 時本景亮，佐々木明正（幹事），田淵諒子（幹事），牛島秀爾（幹事） REPORTS OF THE TOTTORI MYCOLOGICAL INSTITUTE Editorial Board Eiji NAGASAWA (Editor-in-Chief), Yukitaka FUKUMASA, Shigeyuki MURAKAMI, Yasuhito OKUDA, Emi 菌蕈研究所研究報告 第47 号 SAKUNO, Kazuhisa TERASHIMA, Keisuke TOKIMOTO, Akimasa SASAKI, Akiko TABUCHI, Shuji USHIJIMA 平成 29 年 8 月 20 日 印刷 平成 29 年 8 月 25 日 発行 All communications relating to this publication should be addressed to the 編集・発行者 （一財）日本きのこセンター菌 蕈 研 究 所 Director, the Tottori Mycological Institute, 211 Kokoge, Tottori 689-1125, Japan. 〒689-1125 鳥取市古郡家211 E-mail: [email protected] TEL(0857)51-8111 FAX(0857)53-1986 印刷所 (株) パ レ ッ ト 〒680-0034 鳥取市元魚町 1 丁目116 Issued on August 25, 2017 この研究報告に関する事項のお問い合わせは、本研究所長宛にお願い致します。 E-mail: [email protected] Reports of the Tottori Mycological Institute Number 47, August 2017 Contents page Original papers NAGASAWA, E. and NAKANISHI, T.: The occurrence of Plectania melastoma（ Pezizales, Sarcosomataceae） in Japan ……………………………………………………………………………… 1 TOKIMOTO, K., TABUCHI, A., SAKUNO, E., ISHIKAWA, K. N., SUZUKI, Y. and NAKASHITA, R.: High- precision method for determing geographic origin of dried shiitake mushrooms（ Lentinula edodes）by analyzing stable carbon and nitrogen isotopes and the contents of elements（ in Japanese） …………………………………………………………………………………………………… 7 NABE, M. and NAGASAWA, E.: The occurrence and distribution of Buchwaldoboletus sphaerocephalus in Japan（in Japanese） ……………………………………………………………… 16 Materials A list of papers published in the issues No. 1（1961）to No. 10（1973）of the Reports of the Tottori Mycological Institute …………………………………………………………………………… 24 Abstracts of papers published in other scientific journals during July 2016 to June 2017 … S1 201 菌蕈研究所研究報告 第 47 号（平成 29 年 8 月） 目 次 原著論文 長澤栄史・中西玉子：Plectania melastoma（アカサビクロチャワンタケ－新称）の日本における発生 （英文）…………………………………………………………………………………………………… 1 時本景亮・田淵諒子・作野えみ・Noemia Kazue Ishikawa・鈴木彌生子・中下留美子：安定同位体比 と元素組成分析による高精度な乾シイタケの産地判別法 ………………………………………… 7 名部光男・長澤栄史：日本におけるオオキイロイグチ（Buchwaldoboletus sphaerocephalus）の発生 と分布 …………………………………………………………………………………………………… 16 資 料 菌蕈研究所研究報告 1 号（1961 年 ）～ 10 号（1973）に掲載された論文および資料等の目録 ………… 24 外部学術雑誌掲載論文摘要再録 …………………………………………………………………………… S1 202 Rep. Tottori Mycol. Inst. 47 : 1－6, 2017. The occurrence of Plectania melastoma （Pezizales, Sarcosomataceae）in Japan＊ ＊＊ Eiji NAGASAWA and Tamako NAKANISHI Abstract The first documented record of Plectania melastoma from Japan has been presented here, based on a specimen collected from Kyoto Prefecture（Japan）. P. melastoma was observed during spring（from end of April to early May）in a Cryptomeria japonica artificial forest, growing on C. japonica dead sticks and needle litter on the forest floor. The characteristics of the Japanese specimen agreed well with those of P. melastoma reported in the European and North American literature with respect to its small, shortly stipitate apothecia that were reddish orange to reddish brown on the outside, large elliptic-fusiform ascospores［19.2‒25.8 × 9.6‒12.6 µm, length-breadth ratio（Q）1.8–2.4］, and the wine-colored purple pigments released by the hyphae present on the outer surface of the apothecia in an aqueous solution of KOH. For comparison purposes, a full description of the specimen collected from Japan has been included along with the photographs of apothecia, taken in the natural habitat of the fungus, and of other salient microstructures. In addition, the present status of members of the genus Plectania in Japan has been briefly discussed. Key words: ascomycetes, biogeography, Cryptomeria japonica, discomycetes. In the month of April, during a macrofungal survey, from the same location and examined in further detail. one of us（TN）encountered a small cup fungus that After consulting relevant literature（Dennis, 1978; grew on dead sticks and needle litter of Cryptomeria Hansen and Kunudsen, 2000; Otani, 1973, 1980; Rifai, japonica（L. f.）D. Don found on the floor of the C. 1968; Seaver, 1928), this Japanese cup fungus was japonica artificial forest（Figs. 1‒3）. The fungus was identified as the type species of the genus Plectania, P. characterized by having an apothecium colored melastoma（Sowerby: Fr.）Fuckel. reddish-orange to reddish-brown in the outer surface Plectania melastoma has been previously recorded which contrasts with an almost black hymenium, from Japan（Katumoto, 2010）, however, this record rather tough consistency, and a very short or was based on a paper presented by Pfister（1997）. rudimentary stipe attached to the substrate with a Pfister suggested that Peziza japonica Berk. & M. A. blackish tomentum. In addition to the on-field digital Curtis［synonym, Plectania japonica（Berk. & M. A. images of the apothecia, fresh apothecia were collected Curtis）Sacc.］, described from a specimen collected ＊ Contribution No. 404 of the Tottori Mycological Institute, 211 Kokoge, Tottori 689-1125, Japan. **5-8, Takaoka-Fukihashi, Kyotanba-cho, Funai-gun, Kyoto Prefecture 622-0224, Japan. 1 E. NAGASAWA and T. NAKANISHI “on roots, Japan”（in the protologue of Berkeley and blackish tomentum which extends to the substrate. Curtis, 1860）and “on roots upon hillsides”［from Disc permanently concave, up to 7 mm in depth, Tokunoshima（Japan）on April 30, 1855］（ Pfister, nearly black, smooth. Margin circular, incurved, 1997）, was identical to P. melastoma based on his narrowly（<1 mm）sterile, denticulate when young, study of the type specimen. He stated that “Peziza becoming obscurely so or nearly entire with age. japonica agrees in all respects with Plectania Context whitish, tough-fleshy, no gelatinous layer melastoma（Sow. ex Fr.）Fuckel and should be present. Receptacle surface minutely downy, fine considered a synonym”. He did not provide any further granular, color reddish orange（between 7B8 and morphological characteristics of the type specimen 7C8）to bright brownish orange［7C8（copper red）］ apart from the short descriptions provided by Berkeley at first, and remaining so until late or becoming and Curtis（1860）in the protologue, and by Saccardo reddish brown to brown［7D8（burnt sienna）to 7D7 in Sylloge Fungorum（1889）（ where spore data was （brick red）, or 7E8（henna color）］ upon aging or in added as “sporidiis ellipsoideis, hyalinis, levibus, 22 × the weathered specimens, often showing blackish 11”）. Therefore, a full description of the recently background color through a fibrillose covering（Figs. collected specimen from Kyoto Prefecture（Japan） 1 and 3）. has been presented here. Ascospores（Fig. 4）19.2‒25.8 × 9.6‒12.6 µm（n= In the macroscopic description, the color codes 40: mean, 22.4±1.5 × 10.6±0.7µm）, length-breadth given in parentheses are from Kornerup and Wanscher ratio（Q）= 1.8‒2.4（n= 40: mean, 2.1±0.1）in water, （1967）. Microscopic examinations were based on both elliptic-fusiform, smooth or fine verrucose（rarely）, fresh and dried specimen using cotton blue and KOH hyaline, thin- to moderately thick-walled, with （2.5% aqueous solution）. Water mounts were prepared granular content, cyanophilous in the thin outermost for observing pigmentation and all the other layer. Asci mostly around 400 µm long, up to 450 µm measurements, unless otherwise stated. The examined or somewhat longer at times, spore portion 170‒200 specimen was deposited in the herbarium of the Tottori µm long, 12‒15 µm in width, 8-spored, operculate, Mycological Institute（TMI）, Tottori, Japan. cylindrical, tapering below into a slender flexuous base, curved near tip, thick-walled（up to 1.2 µm Plectania melastoma（Sowerby: Fr.）Fuckel, Jahrb. thick). Paraphyses of two types（Fig. 5）present:（1） Nass. Vereins Naturk. 23‒24: 324, 1870.（Figs. 1–5） ordinal（filiform, frequently septate, branched 2‒3 or Basionym: Peziza melastoma Sowerby, Col. fig. more times below the center, 1.8‒3 µm wide）, and（2） Engl. fungi 2: 64, t. 149, 1799; sanctioning: Fries, the broader, so called
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