In August 1956, June 1957 and October of the same year, the author visited the limestone range of Shimohei-gun, Pref Iwata, Japan, situated 100 m-800 m above the sea level and about 15 km far from the sea. There are cliff, escarpments and gravelly slopes consisted of the permo-carboniferous limestone. The study of the flora of this area has been neglected. This paper contains the results of his field observations and his herbarium works of the interesting vascular plants growing there, together with nomenclatural corrections and revisions of the related species. These are as follows : (1) The abundant plants are Acer mono, Quercus dentata, Tilia Maximowicziana, Lespedeza biclolor, L. Buergeri, Spiraea nipponica, galium verum var. trachycarpum, Gymnocarpium jessoense, Thalictrum foetidum subsp. Glabrescens var. Iwatensis. (2) The calciphilous plants detected are Amesium ruta-muraria, Bupleurum longiradiatum f. elatius, Camptosorus sibiricus, Cynanchum atratum, Dennstaedtia Wilfordii, Gymnocarpium jessoense, Philadelphus satsumi (with var. nikoensis), Polystichum craspedosorum, Rhamnus costata (f. nambuana9, Sisymbrium luteum, Smilax stans and Spiraea nipponica. (3) The new informations of the distributions are given for Aleuritopteris argentea, Allium splendens, Artemisia Schmidtiana, Astragalus adsurgens, A. membranaceus, Chrysanthemum Zawadskii, Gymnocarpium jessoense, Juniperus rigida, Sanicula rubriflora and Thalictrum foetidum subsp. Glabrescens. (4) The limestone ranges, concerned with (3), on one hand, reserve some plants of colder regions, such as Allium splendens, Artemisia Schmidtiana, Berberis amurensis var. Bretschneideri, Bupleurum longiradiatum f. elatius, Hypericum yezoense, Juniperus Sargentii, Leontopodium japonicum, Spiraea Miyabei and Thymus serphyllum subsp. quinquecostatus, and Juniperus rigida.

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1. 志摩半島南部の植物群落について調査した結果次ぎの諸群落を認めた。スダシイ-タイミンタチバナ群落,タブ-ホソバカナワラビ群落,ウバメガシ群落,クロマツ-トベラ群落,クロマツ-コシダ群落,コナラ-アズマネザサ群落,キノクニシオギク群落,ハマゴウ群落,その他。2. 極相林スダシイ-タイミンタチバナ群落は組成的に紀州南端 四國宇佐,九州大隅で認められたスダシイ林と類似であり,當地域がそれらの地方と密接な関係にあることが明らかとなった。3. 二次林としてはクロマツ-コシダ群落がもっとも顕著である。又クロマツ-トベラ群落についてはこれを2型に分けてその分布状態を記した。4. キノクニシオギク群落は當地域植群にローカル的な特色をそえている。本研究の概要は日本植物學會中部支部第5回大會(1957年5月)にて發表した。

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