9 

 VOL. XXXIV. MAY 1920. No. 401 



TH| 



BOTANICAL MAGAZINE. 



CONTENTS. 



Kono Yasui : — Genetical studies in Portulaca grandi flora, Hook. I. 55 

 Takenoshin Nakai: — Chosenia, a new Genus of Salicaceae. . . 66 



Articles in Japanese : — 



Kono Yasui : — Genetical studies in Japanese Morning Glory. I. 

 Inheritance of Albinism and Purple colour on the Stem and 

 Leaves 141 



Yudzuru Ogura :— Some Observations on the Growth of Trees, 



especially with regard to that of Cryptomeria japonica, Don. 146 



Miscellaneous : — 



Notes on Fungi [98] (A. Yasuda) Achyranthes japonica, Nakai 

 sp. nov. (T. Nanai) A. rubrofusca in Formosa (T. Nakai), 

 A new Lnchoo plant A. mollicula, Nakai (T. Nakai) 

 Aconitum callianthum, Koidz (T. Nakai), Nasturtium sub- 

 lyratum, Nakai nom. nov. (T. Nakai), Book Review, Personals. 



Proceedings of the Tokyo Botanical Society. 



TOKYO, 



