150 BOTANICAL MAGAZINE. ivoi. xix, 



pericarp not thick. Seeds minute, numerous, obovato- oblong or ellipsoid, 

 minutely albo-apiculate at both ends, yellowish-ferruginous, very subtilily 

 transversely reticulated. 



Nbm. Jap. Kusa-i, Shirane-i. 



Hah. Japan, without locality (H. Ntikanishiki\); Prov. Musashi: Shimo- 

 shirane in Tsudzuki-gori, spont. ! (S. Takahcwhil June 6, 1903, Aug. 16, 

 1904), Tokyo, prob. in trod. (T. Mahino ! -Tune 27, 1893); Prov. Suo : 

 Ouchi-mura in Yoshiki-gori, prob. iutrod. (II. Kodzuma ! no. 221, Aug. 13, 

 1905). 



New to the Flora of Japan ; very rare. 



Rosa - yesoensis (Franch. et Sav.) Makino. =M. ruyosa x muMjiora. 



Rosa Iioara p. yesoensis Franch. et Sav. Enum. PI. dap. 11. |). 34b". 



Rosa mutsuana Makino rnss. 



Rosa microphi/Uaxrugosa Crepin, ex Matsura. in Bot. Mag., Tokyo, 

 X. (1896) p. 165. 



Shrubby, attaining 2 m. or more high ; branches glabrous or slightly 

 glandular-hirsute, rather densely or rather loosely aculeate ; aculei unequal, 

 recurvo-patent, dilated at the base, narrow, very sharp, straight or some- 

 what falcate, yellowish, largest one about 9 mm. long. Leaves pinnate, 

 3_4-jugate, petiolate ; petiole pubescent and very loosely armed with sub- 

 nncinate aculei as well as the rachis ; leaflets subclosely arranged, snb- 

 obovately elliptical to oblong, obtuse to shortly acuminate, obtuse or obtuso- 

 rounded at the base, simply or subduplicately serrate with very minutely 

 subcallose-tipped triangular teeth, very narrowly revolute on margin, rather 

 thinly pubescent beneath, glabrous and finely rugulose with impressed 

 veins above, veins erect-patent and about 5-9 on each side ; lateral ones 

 sessile, patent, those of the lowest pair usually rerlexed ; odd one larger, 

 attaining about 4cm. long, 2^ cm. broad; stipules membranaceous, ample, 

 adnate, auriculate with triangular-falcate acuminate rather erect-patent 

 lobes above, glanduloso-serrulate and ciliated on margin. Inflorescence 

 corymbose, or shortly paniculate, about 1-8-flowered, sessile, bracteate ; bract 

 lato-ovate to lanceolate, tapering above, ciliated and glanduloso-fimbriato- 

 serrulate on margin, sessile, membrananceous. Flowers pedicellate, about 

 31-4 cm. across, rose-purple; pedicel strict, longer or shorter than bract', 

 pubescent, lateral ones erect-patent. Oalyx-lobes ovato-oblong or oblong, 

 eaudately long-attenuated above, entire or with a few linear lacinias on 

 margin, patent or reflexed, lanate internally, sparsely glandular-pilose ex- 



