100 THE BOTANICAL MAGAZINE. [Vol. xxiv. No. 2so. 



5-lobed, maculate on the posterior face with red spots ; lobes 

 ovato-orbiculate, round ed-subemarginate at the apex, about 

 equal to the tube in length. Stamens 10, declinate, curved 

 upwards, unequal in length ; filaments minutely hairy below ; 

 anther oblong, dorsifixed, dehiscent by pores, with pale-yellowish 

 pollen. Ovary oblong, silky-tomentose, 7-celled ; style declinate 

 and curved upwards, slightly exceeding the stamens in length, 

 glabrous ; stigma terminal, slightly lobulate. 



Nom. Jap. Hosoba-shakunage, Yenshu-shakunage. 



Hab. Japan ; spontaneous and rarely cultivated. 



This species grows wildly on mountains of the northern 

 boundary of the province of Totomi in Central Japan. 



Rotala (Suffreniopsis) elatinomorpha Makino, sp. nov. 



An aquatic annual, pygmy, loosely tufted ; main stem creeping, 

 rhizomaticous, loosely ramose, rooting in the nodes ; branches 

 cauliform, erect or ascending, 4— 7cm. long, fleshy, glabrous, 

 viridescent, with nodes, simple, laxly foliiferous throughout, 

 often rooting in the basal nodes ; roots delicate, white. Leaves 

 opposite, small, sessile, obovate to narrowly oblong, rounded 

 or subemarginate at the apex, entire, thinly and flaccidly mem- 

 branaceous, glabrous, green, usually shorter than the internodes, 

 2J-8Jmm. long, lj-3mm. broad ; veins few on each side, delicate, 

 ascending or erect-patent, often arcuate upwards. Flowers 

 minute, axillary, solitary, nearly sessile, about If mm. long ; 

 bracts 2, shorter than flowers and equal to the calyx-tube in 

 length, linear, acuminate, thin. Calyx scarious, inappendicu- 

 late ; tube subtetragonally oblong-tubular, 4-nerved ; lobes 4, 

 subulato-deltoid, very sharp, enerved, nearly J as long as the 

 tube. Petals inserted under the sinuses of calyx-lobes, very 

 minute, less than \ as long as the calyx-lobes, obovato-oblong, 

 obtuse, thin. Stamens 2, included, a little exceeding the pistil 

 in height ; filament subulate, inserted above the base of the 

 calyx-tube, erect, 1mm. long ; anther ovato-rotund, rounded at 

 the apex, cordato-bifid at the base. Pistil included, glabrous ; 

 ovary globular, sessile, smooth, §mm. across ; style short, gracile ; 

 stigma capitate. Capsule globular or ellipsoid, covered with 



