May. 1909.] MAKING.— OBSERV. ON THE FLORA OF JAPAN. 91 



Biennial, pygmy, glabrous, about 3^— 9cm. in height in my 

 specimens ; roots slender, white, with short branches. Stem 

 gracile, filiform, erect, subfastigiately branched or simple, very 

 narrowly and glabrously 4-alato-angulate, glabrous, the upper 

 internode elongate, much longer than the leaves. Leaves 



several, opposite (the pairs about 3—5), approximate in the 

 basal ones, oblong, subspathulato-oblong, obovate or ovate, 

 obtuse or acutish, cuneath' attenuated below and shortl}' petio- 

 late, but nearh- sessile in the superior ones, entire, about 

 4— 13mm. long, 1^— 3|m. wide, 5-sub-7-nerved, with reticulated 

 veins above, green. Flowers pedicellate, solitary, ebracteate, 

 7mm. long, cceruleous ; peduncle simple, strict, glabrously 

 angustately 4-alato-angulate, longer than the flower. Calyx 

 deeply 4-parted, herbaceous, green, shorter than the corolla, 

 persistent ; segments elliptical, oblong-elliptical, obovato-oblong, 

 oblanceolate or broad-ovate, acutish or obtuse at apex, 

 cuneately attenuated at base, entire, 3-nerved, with reticulated 

 veins above, about 4— 7mm. long. Corolla very deeph- 



4-parted, persistent ; tube ver\- short ; segments elliptical, 

 shortly attenuated with an obtuse tip, entire, thin, ver\- 

 loosely ."-nerved, distantly 2-appendiculate at the base, the 

 appendages adpressed and tubularly- adnate to the corolla 

 at the base, laciniate or sublaciniate above or simple. 

 Stamens 4, inserted at the throat, shorter than one-half 

 of the corolla-segments ; filament subulato-linear ; anther 

 oblong-elliptical to rotund, bifid at the base. Ovary ovato- 

 lanceolate, compressed, sessile, no style, shorter than the co- 

 rolla ; stigma sessile ; ovules subnumerous, rotund or obovato- 

 rotun 1. Capsule Slightly exserted from or equal to the persist- 

 ent corolla, lanceolate, attenuated towards the both ends, 

 smooth, distinctly margined, about 8— 10mm. long; carpels thin, 

 recurved at the apex when dehiscent; seeds minute, ellipsoid or 

 oblong, -mo- th, yellowish-nigrescent, aboul ''mm. lonj 

 Xoni. Jap. Himc-scmhuri (now). 



//.///. Prov. Siiinaxo : Alpine region on Mt. Yatsugatake 



(S. I Inn, '. Sept. 15, 1908). 



Tills genus is new to (lie flora of Japan. 



