Observations on the Flora of Japan 



(Continued from p. 34.) 



By 



T. Makino. 



Assistant in the Botanical Institute, Science College, 

 Imperial University of Tokyo. 



Viola (Nomimium) nipponica Makino sp. hoy. 



Acaulesent. Roots white. Rhizome short, thiek, erect. 

 Leaves often many, tufted, erect or erect-patent, ovate, broadly 

 ovate, or narrowly ovate, obtuse at the apex, subcordate or 

 truncate at the base, crenate, glabrous, 1J— 5 cm. long, 1^—3 J cm. 

 broad; lateral veins 4-5 on each side; petiole longer or shorter 

 than the blade, narrowly winged above, glabrous ; stipules long : 

 adnate, the upper free portion linear or subulato-linear, acumi- 

 nate, very loosely glanduloso-ciliated, thin. Flowers often 

 numerous, about lj-2cm. across, violet-purple; peduncles often 

 exceeding the leaves, glabrous, slender, bracteate in or below the 

 middle, about 5-llcm. long; bracteoles linear or subulato-linear. 

 Sepals glabrous, lanceolate or linear-lanceolate, obtuse or acute, 

 viridescent, 6— 8mm. long exclusive of the basal auricles; basal 

 auricles short, ovato-oval, truncate and few-denticulate, those 

 of the upper lateral ones small and deltoid with an acute or 

 acutish tip. Petals obovato-oblong, or elliptical-obovate, 



gradually narrowed below, rounded at the apex; the lateral ones 

 bearded with white hairs; the lower one slightly shorter than the 

 rest, spathulato-cuneate, gradually attenuated below, truncato- 

 rounded or truncate, whitish and deep-purple-striped below; 

 calcar subhorizontal, longer than the sepals, narrow, scarcefy 

 arcuate or straight, rounded-obtuse at the apex, somewhat 

 compressed laterally, light purple with minute purple spots, 

 S-12 mm. long. Anthers 3jnim. long; connective-tip ovato- 



