125 
cordate to rounded at the base, irregularly more or less waved and crispate, 
herbaceous, glabrous above, scabrous-pubescent along veins and veinlets be¬ 
neath, the largest one attaining about 47 cm. long, 28 cm. broad ; the midrib 
stout, prominent beneath; veins numerous, patulous; veinlets reticulated; 
petiole shorter than the blade in the cauline leaves, but in the radical leaves 
very slender and often longer than the blade; ochrea membranaceous, longi¬ 
tudinally nervate,1-7 cm. long. Panicle loose，formed by the terminal and 
axillary slender racemes; rachis slender, erect，more or less flexuous, striate ， 
sometimes abbreviateoften pubernlent, pubescent below the nodes; verticels 
densely flowered, about 1-2 士 cm. across，usually interruptedly remote one 
another, but often approximate in the superior ones, the lower verticels 
bracteate ; bract leaf-like, linear to lanceolate, shortly petiolate, obtuse, or 
acutisb, acute at the base, more or less crispate on the margin, 2-J-8 cm. long. 
Flower small, green, about 4-4j mm. in diameter ; pedicels filiform, horizon¬ 
tally patent and usually slightly arcuate downwards; sometimes coherent below, 
unequal in length, about 3-8 mm. long. Outer perianth 3 ? patent, glabrous, 
herbaceous, connate at the base ;lobes oblong, very concave within ， rounded- 
phtuse on the back, obtus:e at the apex，entire and subdiaphano-membranaceous 
on the margin, l|-2 mm. long, persistent and then shaded with rose-colour 
towards the margin and apex. Inner perianth S, erect-patent, longer than 
the outer oties, glabrous, herbaceous ;lobe!’ broadly oblong, obtuse, membrana¬ 
ceous and more or less minutely erose on the margin, with anastomosing 
veins, 2^-3 nmi. long, after an thesis gradual])^ enlarged and tinged with rose- 
colour, in fruit deltoid-ovate to ovate-reniform, minutely denticulate on the 
margin, obtuse, subcrispate, reticulated-veined, 4-8 mm. wide, the midrib 
narrowly prominent below but not calliferous, or sometimes hardly and 
minutely unica]liferous. Stamens 6, equalling the inner perianth in height; 
filameut linear-filiform, glabrous, white, shorter than the anther; anther 
oblong-linear, obtuse at the inienor end, obtuse and hardly bifid at the 
superior end ， basifixed, yellow. Ovary minute, included, ye 11ow-viri< 1 escent, 
triquetrous-globose, glabrous，nearly 1 mm. long; styles 3, erect-pa tent, 
shorter than the ovary; stigma densely tufted, white ; ovule solitary, erect ， 
very minute. Seeds narrowly ovate, triquetrous, tapering above, brown ; 
shining, mainly sterile. 
Lapatlium Dai woo Siebold Synops. PI. Oeconom. Jap. in Verb. Bat. G-cn. 
XII. .1830, p.19. 
Rumex Madaio Makino in Bot. Mag.', Tokyo, X.1896, p.107. 
Uumex aquaticus ? japonicits Meisn. in Ann. Mas. Bot. Lugd.-B ； it. 
II. p. 55; Franch. et Sav. Enum. PI. Jap. I. p. 392， non II. p. 470. 
