29 



central one very shortly pedicellate, 6-10 mm. across. Sepals erect-patent, 

 lanceolato-oblong or linear-lanceolate, yellowish viridescent. Petals horizon- 

 tally petent, twice as long as sepals, subrhomboidly ovato-lanceolate, 4-5 mm. 

 ^^^o) 1§ ^^- wide. Stamens : the oppositipetalous ones scarcely shorter 

 than the opositisepalous ones; filament yellow. Ovaries erect or erect- 

 patent, slightly compressed laterally, yellow, about 4 mm. long including 

 the style ; style erect, gracile, nearly | as long as the ovary. Flowers 

 May (in Tokyo). 



Nom. Jap. 31iyama-mannengusa, Benitsudzulci. 



Nasturtium amphibium (Linn.) R. Br. in Ait. Hort. Kew. ed. 2, 

 IV. p. 110; Matsum. in Bot. Mag., Tokyo, XIII. (1899) p. 60. 



Sisymhrium amphibium Linn. Cod. n. 4781. 



Nom. Jap. Migiioa-garashi (nom. nov.). 



Hob. Prov. Shimotsuke: Side of Lake Ynnoumi in Nikko {T. 3Jatino\ 

 July 1884, Aug. 1903), Tadenoumi in NikkG {J. JIatsumural herb. Sc. 

 Coll. Imp. Univ. Tokyo, July 23, 1885) ; Prov. Ishikari : Sapporo (J. 

 Matsumura ! herb. ibid. July 30, 1899). 



Sisymbrium (Velaroides) Maximowiczi Palib. Consp. Fl. Kor. I. 

 in Act. Hort. Petrop. XVII. p. 28, tab. 2 (1899) ; Matsum. in Bot. Mag., 

 Tokyo, XVI. (1902) p. 17 ; Yabe in Bot. Mag., Tokyo, XVII. (1903) p. 197. 



Alyssi species duhia fr. deficiente Miq. in. Ann. Mus. Bot. Lugd.- 

 Batav. III. p. 200, et Prol. Fl. Jap. p. 364. 



Arabis sp. n. ? Forbes et Hemsl. in Journ. Linn. Soc. XXIII. p. 43. 



Berteroa incana Franch. " in Mem. Soc. Cherburg, XXIV. (1884) p. 

 199 " ? 



Petals lilaceous ! 



Nom. Jap. Hana-nadzuna (nom. nov.). 



Hah. Prov. Tsushima: Kurocho-zaka between Mine and Kubara (Y 

 Yabe ! herb. Sc. Coll. Imp. Univ. Tokyo, July 28, 1901), Kozaki (F. Yabe ! 

 herb. ibid. Aug. 20, 1901; K. Riraial Aug. 18, 1903); Prov. Aki : Mt. 

 Ege in Sayeki-g5ri {S. Kuriyama ! n. 157, Aug. 1904). 



Rare in Japan. 



Elodes virginica Nutt. var. japonica (Bl.) Makino. 



