62 



Konodai {T. Maldnol Sept. 1894), Shimosliidzu {T. Mahinol Sept. 10, 

 1895). 



var. /?. robustum Maldno. 



More robust and taller. Stem glabrous, or slightly pilose towards 

 the top of the internodes. Leaves angustato-lanceolate, narrowly acuminate, 

 minutely pilose above, pilose on the midrib and veins beneath, aculeato- 

 ciliated, attaining 14cm. long, 21 cm. wide; petiole very short, sheath 

 attaining Ifcm. in length. Spike attaining about 9 mm. long. Flowers 

 smaller, l§cm. long. Akene smaller, l^mm. long. 



Hah. Prov. Tosa : Sakawa {T. 3Ia7cino \ 1884), Kamo (T. BIakino\ 

 Sept. 21, 1887) ; Prnv. Mikawa : Nakagaito in Higashi-kamo-gori {G. 

 Nagicra 1 Sept. 17, 1897) ; Prov. Iwashiro : Aidzu {J. 3Iatsicmura ! herb. 

 Sc. Coll. Imp. Univ. Tokyo, Aug. 2:^, 1879), Foot of Mt. Bandai {J. 

 3Iatsumura\ herb. ibid. Aug. 17, 1879) ; Prov. Iwaki: Mimikai in Fukuura- 

 mura (T. 31aMno\ Aug. 16, 1890); Prov. Su5 : Kano-mura in Tsuno-g5ri 

 {D. Nikail herb. ibid. Aug. 13, 1896); Prov. Hidaka : Horomui (7- 

 Tokiibuchil herb. ibid. Aug. 19, 1892), Horoidzumi (F. Tohubuchil Aug. 

 17, 1892). 



Polygonum (Echinocaulon) breviochreatum Makino, sp. nov. 



Polygonum muricatwn Maxim, in litt. non Meisn. 



Annual, attaining 6 decim. long. Stem slender, weak, erect from the 

 decumbent or often radicant base, branched at the base; the internodes 

 longer or shorter than the leaves, smooth but retrorsely loosely pilose on 

 the opposite side to the leaves above. Leaves distant, patent, shortly 

 petioled, oblong-lanceolate or lanceolate, acuminate, subsagittato-truncate or 

 subcordate at the base, thinly pilose above, glabrous but loosely antrorsely 

 pilose on the midrib beneath, antrorsely minutely scabro-ciliated on the 

 margin, membranaceous, attaining about 8cm. long, 2cni. broad; lateral 

 veins subnumerous, delicate, erect-patent, arcuate ; petiole glabrous, 3-15 mm. 

 ^ong ; sheath shorter than or equal to the petiole, ciliated, adpressed- hirsute 

 extern;illy. Peduncles terminal or axillary, loosely placed, slender, filiform, 

 patently glanduloso-hispid ; bracts subulate, acute, entire, thinly pilose, about 

 2 mm. long. Spike short, laxly often interruptedly few-flowered. Flower 

 very shortly pedicellate, 4inm. long, pale-rose ; pedicel usually shorter than 

 the bracteoles ; bracteoles elliptical, acutish, scarious on both edges, laxly 

 glanduloso-hispid on the carina above. Perianth 5-c1eft ; segments ellip- 

 tical, obtuse. Stamens 7, included ; filaments unequal in length. Ovary 



