Published Monthlv 



NEW YORK 



BOTANICAL 



G.WluES 



Subscription-Price 7 Yen per Volume (12 Nos.), Po?t Free, 

 for Foreign Countries. 



THE 



OF JAPANESE 



EDITED 



T. MAKING. 



LECTURER OF BOTANV in THE SCIENCE COLLEGE, 

 IMPERIAL UNIVERSITY OF TOKYO. 



Vol. III. August 15, 1923. January 30, 1926. (Reprinti No. I. 



Published by the Xstmur-v Laboratory, 

 no. 50.5, Kamimegiiro, Tokyo, Japan. 



CONTENTS. 



PAGK 



Tomitaro Makino : A Contribution to the Knowledge of the Flora of 



Japan. ( Corümued from vol. II. p. 24.) 1 



ARTICLES IX JAPANE.<E {\> 



->oo<><- 



A Contribution to the Knowledge of the 

 Flora of Japan. 



(Cordinufd from vol II. p. 24.) 



By 

 Toinitaro Makino. 



Polygonum Hydropiper Lrs'x. var. viridi-purpureum Makdco, nov. var. 

 Robust. Leaves petiolate, ovato-oblong, obtuse at the apex, acute at the 

 base, entire and thinly ciliated on margins, attaining about 9 cm. long, 4 cm. 

 broad, membranaceous, glabrous, acrid in taste, green or purplish-green, purjile 

 ^f.in young leaves ; veins sub-numeroas, arcuato-ascending. Racemes cernuous, 

 f*[5a}x)ut 6-9 cm. long ; rachis very slender ; bract truncate, green, but scarious- 

 ' — purpurascent on mouth. Flowers small ; calyx tinged with reddish-purple, 

 <_0 with gland-spots. Achene triquetrous, dark-castaneous, 2 mm. long. 

 •"^ Xom. Jap. ilurasald-ailade (nov.i. 



is Uah. JAPAX', cultivated, rather rai-e. 



Calystegia, japonica Cnois. var. albiflora. Makixo, nov. var. 



