74 THE BOTANICAL MAGAZINE. [Vo i. xxiv. No. 279. 



incurved, elliptical or ovato-elliptical, attenuately long-acumi- 

 nate, with a more or less crispate entire margin, purple, but paler 

 below, rugulose with closed and vertical veins, membranaceous, 

 12— 15 cm. long, 5J-7cm. wide. Spadix unisexual, subconico- 

 cylindrical, sessile, If— 2 J cm. long, many-flowered ; appendage 

 erect, longer than the spadix, slightly exceeding the mouth of 

 the spathe-tube, shortly stipitate, cylindrical-clavate with a 

 rounded apex, truncate at the base, pale above, often purpuras- 

 cent below, 4|— 5J cm. long. Male flowers rather laxly 



disposed, shortly stipitate, 4— 6-androus. Female flowers close- 

 ly placed, sessile; ovary obovoid, with a minute and sessile 

 stigma at the top, green. 



Nom. Jap. O-mamushigusa (nov.). 



Hah. Prov. Shimotsuke : Nikko (H. Takeda ! July, 3-4, 

 1905). 



Acer circumlobatum Maxim, in Mel. Biol. VI. p. 368 

 (1867), et X. p. 608 (1880). 



var. Heyhachii (Matsum.) Makino. 



Acer Heyhachii Matsum. in herb. Sc. Coll. Imp. Univ. Tokyo. 



Acer japonicum var. Heyhachii Makino in Bot. Mag., Tokyo, 

 XVIII. (1904), p. 115. 



Nom. Jap. Mai-kujaku. 



Hah. Japan, cultivated (T. Makinol). 



Polygonum Thunbergii Sieb. et Zucc. in Abh. Akad. 

 Muench. IV. 3 (1846), p. 208, n. 729. 



Polygonum arifolium Thunb. Fl. Jap. p. 168, non Linn. 



a. typicum Franch. et Sav. Enum. PI. Jap. II. p. 475. 



forma radicans (Franch. et Sav.) Makino. 



Polygonum Thunbergii /3. radicans Franch. et Sav. 1. c. II. 

 p. 475. 



A depauperated and accidental form. 



var. stoloniferum (Fr. Schm.) Makino. 



Polygonum stoloniferum Fr. Schm. Reis. im Amur. u. Isl. 

 Sachal. (1868), p. 168. 



Nom. Jap. O-mizosoba (nov.). 



