Observations on the Flora of Japan 



(Continued from p. 18.) 



By 



T. Makino. 



Impatiens hypophylla Makino, sp.nov. 



Annual, 20-50cm. or more in height, flaccid ; roots fibrous. 

 Stem erect, but sometimes ascending at the base, ramose with, erect- 

 patent branches, sacculent, subflexuous, striate, greenish, tinged 

 with purple, swollen at nodes, ver\^ thinly pubescent with white 

 hairs. Leaves sparse, long- (in the lower ones) or short- (in the 

 superior ones) petiolate, elliptical-lanceolate or pvato-lanceolate, 

 caudato-acuminate, cuneate towards the base, acute but obtuse 

 to subcordate at the base in the superior ones, crenato-serrate 

 with a minnte mucronate tip in front, but shat-ply acuminato- 

 serrate at the base, membranaceous, dispersedly puberulent with 

 white hairs and green abo\^e, glabrous and slighth^ paler beneath, 

 penninerved, about 4— 19cm. long, 1§— 7cm. wide ; midrib often 

 purple above ; veins subnumerous, erect-patent, arcuate upwards; 

 veinlets delicate ; petiole J — 40mm. long. Raceme short, long- 

 peduncled, sublooseK^ several to submany flowered, 11 -6cm. 

 long ; rachis flexuous, gracile, pale green and often shaded with 

 purple as well as the pedicels ; pedicel gracile, attaining about 

 22mm. long in fruit ; bracts spreading, viridescent or purple, 

 deltoid-ovate or lanceolato-ovate, attenuated above, obtuse 

 or acute with a callose tip, 3— 5mm. long, glabrous ; peduncle 

 erect-patent or spreading, solitary, axillary but hidden under 

 the leaves, shorter than the leaves, gracile, slender, glabrous, 

 or thinly white-pubescent, about 4-12cm. long including, 

 the raceme. Flowers 3^-4cm. long, drooping. Lateral sepals 



