A ml.. 1914 ] T MAKING. - OBSER VA TIONS ON TI}E FLORA OF JAPAN. 1 1 3 



veins very delicate, erect-patent, inconspicuous; petiole 1-1^ mm. 

 long if any; ochrea tubular, truncate and rather long ciliated 

 at the mouth, hj^alino-membranaceous throughout, thinly 

 adpressed-pilosulous, 2-6 mm. long. Raceme spike-like, ter- 

 minal and axillary, erect, small, rather short, long-peduncled ; 

 rachis filiform, glabrous; peduncle erect and filiform. Flower- 

 clusters lax, the lower ones gradually remote or interrupted ; 

 bracts turbinate, obliquely truncate, long or rather long 

 fimbriato-ciliated, scarious towards the margin and front, 

 purpurascent above and viridescent below, glabrous, 2-2^ mm. 

 long. Flower minute, pedicellate, rosy, 2 mm. long. Calyx 

 5— parted, eglandular ; segments oval or oval-ovate, obtuse at 

 the apex, concave, usually subcarinate in the outer ones. 

 Stamens 5, included ; filament subulato-filiform ; anther minute, 

 rounded. Pistil included ; ovary oval, acute at the apex, 

 3-gonous ; style erect, 3-fid ; the connate portion longer than 

 the arras; stigma capitate. Achene included within the per, 

 sistent calyx, oval, obtuse at the base, acute at the apex- 

 obtusoangulo-trigonous, smooth, shining, dark-brown, about 

 1^ mm. long. 



Nom. Jap. Nukabo-tade. 



Hah, Prov. TOSA (T. Making !) ; Pro v. SHIMOOSA : 

 Mama (T. Making! Herb. Sc. Coll. Imp. Univ. Tokyo, Oct. 

 1895). 



(Icon.) Ilnuma, Somoku-Dzusetsu, VII. fol. 68 recto. 

 A distinct species, which widely differs from Polygonum 

 minus HuDS. It grows in the waste muddy places. 



Polygonum paludicolum Making, sp. nov. (Sect. 

 Persic aria.) 



Polygonum minus Making in Bot. Mag., Tokyo, IV. 

 (1890), p. 416, non Hubs. 



Annual, attaining about 6 decira. long. Stem usually as- 

 cending, but often decumbent and geniculate with roots at the 

 nodes at the base, ramose, slender, hard and finely striate 

 when dry, terete, glabrous, prominent at the nodes. Leaves 



