112 THE BOTANICAL MAGAZINE. lvoI. xxviii. No. 328. 



shortly petiolatc, angustately lanceolate or linear, acuminate, 

 adpressedly ciliated, thinly finely adpressed-pilose on the midrib 

 above and beneath, dispersed with elevated minute dots on 

 both surfaces when dry, thinly spotted with minute viridescent 

 disciform dots beneath ; ochrea scarioso-membranaceous, long 

 bearded. Racemes spike-like, narrow, densely flowered. Flow- 

 er light rose. Style 3-parted. Achene included, oval or 

 oval-ovate, obtusoangulo-trigonous, black. 

 Nom. Jap. Hosoba-inutade (nov.). 



Hab. Prov. MUSASHI : Side by River Edo-gawa in Tokyo 

 (J. Matsumura ! Herb. Sc. Coll. Imp. Univ. Tokyo, Sept. 24, 

 1880), Shimura (T. Making!), Koiwa-mura (T. Making!). 



This grows in the alluvial sandy places along rivers, and 

 flowers in September— October. Under lens leaves show the 

 dots of two kinds scattered all over the surface. 



Polygonum minutulum Making, sp. nov. (Sect. Persi- 



Polygonutn minus var. interruptum Maxim, in litt.; Makino 

 in Bot. Mag., Tokyo, IV. (1890), p. 416, et Iinuma, Somoku- 

 Dzusetsu, ed. 3, II. (1910), 7, p. 80, tab. 65, non MeisxX. 



Polygonum minus Sayatier in Iinuma, Somoku-Dzusetsu, 

 ed. 2, YII. (1874), fol. 68 recto, non Huds. 



Annual, about 2-4 decim. high, laxly tufted, weak, flaccid. 

 Stems decumbent and rooting at the nodes below, many-ramose 

 from the basal portion, often geniculate in the lower, gracile, 

 glabrous, light green, with more or less prominent nodes. 

 Leaves very shortly petiolate or sessile, linear, broad-linear, 

 oblong-linear, or lanceolate, acuminate or shortly so with 

 an obtuse or acutish tip, acute at the base, adpressed- 

 ciliated on margin, glabrous, or thinly adpressed-pilose towards 

 the margin and on the midrib above, thinly dispersedly ad- 

 pressed-pilose on the midrib and on the under surface or 

 glabrous except the midrib beneath, dispersed with very 

 minute elevated spots on both surfaces when dried, thinly 

 membranaceous, light green, 2-5| cm. long, 2-9 mm. wide; 



