lU 



linear, very shortly petiolate or nearly sessile, gradually acumi- 

 nate at the apex, narrowly cuneato-attenuated at the base, 

 adpressed-ciliated, membranaceous, glabrous but adpressed- 

 pilosulous on the midrib above and beneath, subdensely dis- 

 persed with minute spots beneath, about 3-9cm. long, 2-9 ram. 

 wide ; veins very delicate, erect-patent, inconspicuous ; petiole 

 thinly adpressed-pilosulous ; ochrea tubular, truncate and 

 rather long ciliated, scarioso-membranaceous, adpressed-pilosu- 

 lous, about cm. long. Racemes spike-like, angustate, 

 slender, terminal and axillary, peduncled ; rachis filiform, 

 glabrous ; peduncle filiform, glabrous. Flower-clusters rather 

 laxly disposed, the lower ones remotely placed ; bracts narrow- 

 ly turbinate, subobliquely truncate and long or rather long 

 ciliated at the mouth, glabrous or thinly adpressed-pilosulous 

 viridesccnt but scarious towards the apex, about 2-4 ram. 

 long. Flowers minute, pedicellate, about 2 mm. long, rose. 

 Calyx 5-parted, eglandular ; segments elliptical, rounded at 

 the apex, concave, the outer ones subcarinate and cucullate 

 under the apex, the inner ones smaller and shorter. Stamens 

 5, included ; filament subulato-filiform ; anther minute, rounded. 

 Pistil included ; ovary compressed, acutely attenuated to the 

 style at the apex ; style 2-parted ; stigma capitate. Achene 

 small, included, oval-ovate, obtuse at the base, acute and with 

 the marcescent style at the apex, compressed and biconvex, 

 2-edged, smooth, shining, ferrugineo-castaneous, 1^ mm. long. 



Nom. Jap. Yanagi-nukabo (T. Making). 



Hab. JAPAN (T. Making! Herb. Sc. Coll. Imp. Univ. 

 Tokyo ; N. Kinashi ! Herb. ibid. ; I. Ando ! Herb. ibid.). 



This species is always found in the marshy or boggy places, 

 edge of ponds, or sometimes rice-fields. 



var. Nikaii Making, var. no v. 



Polygonum Nikaii Making in Sched. Herb. Sc. Coll. Imp. 

 Univ. Tokyo. 



Leaves shorter, thinly adpressed-pilusulous on the upper 

 surface (hairs denser on the midrib), minuttlv and dispersedly 

 spotted beneath, and adpressed-pilosulous on the midrib and 

 veins beneath. Flower-clusters very laxly disposed, the lower 



