52 



veins, 2^-3 mm. long, after anthesis gradually enlarged and tinged with rose- 

 colour, in fruit deltoid-ovate to ovate-reniform, minutely denticulate on the 

 margin, obtuse, subcrispate, reticulated-veined, 4r-8 mm. wide, the midrib 

 narrowly prominent below but not calliferous, or sometimes hardly and 

 minutely unicalliferous. Stamens 6, equalling the inner perianth in height; 

 filament linear-filiform, glabrous, white, shorter than the anther ; anther 

 oblong-linear, obtuse at the inferior end, obtuse and hardly bifid at the 

 superior end, basifixed, yellow. Ovary minute, included, yellow-viridescent, 

 triquetrous-globose, glabrous, nearly 1mm. long; styles 3, erect- patent, 

 shorter than the ovary ; stigma densely tufted, white ; ovule solitary, erect, 

 very minute. Seeds narrowly ovate, triquetrous, tapering above, brown, 

 shining, mainly sterile. 



Lapathwn Daiwoo Siebold Synops. PI. Oeconom. Jap. in Verh. Bat. Gen. 

 XII. .1830, p. 19. 



Rumex llodaio Makino in Bot. Mag., Tokyo, X. 1896, p. 107. 



Rumex aquaticus ? /?. japonicus Meisn. in Ann. Mus. Bot. Lugd.-Bat. 

 II. p. 55 ; Franch. et Sav. Enum. PI. Jap. I. p. 392, non II. p. 470. 



Hob. Prov. Tosa: Kitagawa in Nanokawa {K. Watanabel June 9, 1888), 

 Nanokawa {K. Watanahe\ May 18, 1889), Sakawa (T. Maldno\ 1892, 

 June 1893), Anaiiai, cult. {T. MaUno\ June 2, 1892); Prov. Musashi : 

 Tokyo, Bot. Gard. Sc. Coll. Imp. Univ., cult. {T. Mahino\ June 1900); 

 Prov. Shimotsuke : Chuzenzi, etc. in Nikko {T. Maldnol July 1900); Prov. 

 Shinano: Goryo [R. Yatabe and Z. llatsumura ! Herb. See. Coll. Imp. Univ. 

 Tokyo, July 19, 1880). 



An allied species of Rumex domesticus Hartm. and R. aquaticus Linn., 

 principally distinguished by its interruptedly remote verticels ; sparingly dis- 

 tributed over Japan, commonly growing on sides of mountain rivulets, and 

 sometimes cultivated, The root is sometimes employed as a drug by 

 the rustics. 



Rumex domesticus Hartm. ; Spreng. Syst. Veg. II. p. 161 ; Chamiss. 

 et Schlecht, in Linn;ea III, p. 56 ; Chamiss. in Ibidem, VI. p. 591 ; Peterm. 

 Deutschl. Fl. p. 486 ; Nyman Syll. Fl. Europ. p. 326 ; Hook, et Arn. Bot. 

 Beechey's Voy. p. 129 ; Hook. Fl. Bor.-Amer. II. p. 129 ; Ledeb. Fl. Alt. 

 II. p. 60 ; Id. Fl. Boss. III. p. 506 ; Koch Syn. Fl. Germ, et Herv. ed. 3, 

 p. 531 ; Sowerby's Eng. Bot. ed. 3, VHI. p. 50, tab. MCCXIX ; Fr. Schm. 

 Reis. im Amurl. u. Ins. Sachal. p. 167 ; Herd. PI. Badd. in Act. Hort. Petrop. 

 XI. p. 191. 



