IIYI'EWCJNJ.1 . 77 



DiSTliii;. An endemic plant. 



Hypericum Ascyron LINN. Sp. I'l. ed-2, p. 783 ; DC. Prodi. I. p. 

 545; HANCE in Jourii. But. (1880) p. 259; MAXLAI. in Mel. Biul. XL p. 

 102 ; FKANCHET PL DAVID, p. 55 ; FOUBES et HEMSI.. Ind. Fl. Sin. I. p. 

 72; DIELS Fl. Ceutr. Chin, p. 476; PALIDIN Conspect. Fl. Korean I. p. 

 1-1; MATSI;M:. et HAY AT A Emmi. PI. Formos. p. 40. 



HAB. Sekihisho. 



DISTRIB. E;istern Sil>eri?i, Cliiiin, Mongolia, Koiva, North America. 



Hypericum Sllbalatum HAY ATA Materials for a Flora of Formosa p. 

 41. Brandies sm<x)tb, tetragonous, subulate, wings 1 mm. broad. Leaves 

 opposite, oblongly-laiiceolate, 6 cm. long, 13 mm. broad, obtuse or shortly 

 mucronate at the apex, gradually narrowed, sessile, dotted. Flowers solitary 

 at the apex of the axillary branches, pedunculate, bracts often 2-3 em. long, 

 leaf-like but smaller, perulate at the base, perules scaly, lanceolate, 2 mm. 

 long. Sepals 5, oblong, 7 mm. long, 3 mm. broad, obtusely acute. Petals 

 5, strongly oblique. Ovary ovoid, 5-sulcate, styles connate 



Hypericum formosanum HAYATA in MAT-SUM:. et HAYATA Knum. PI. 

 Formos. p. 41, pro parte, (non MIXIM.I 



HAB. Kusshaku. 



The present plant differs from H. fwmosanum MAXIM, by much longer 

 leaves. The leaves of the other species are always oblong and shorter than 

 those of this plant. 



Hypericum acutisepalum HAYATA il'l, XV. i Materials for a Flora 

 of Formosa p. :>X. Branches slender, barks reddish, branchiate alternate or 

 opposite. Leaves opposite, oblong or elongately oblong, obtusely mucronate, 

 shortly attenuate at the base, sessile, 3-4 cm. long, 12mm. broad, dotted 

 with black points, more pallid l>eneath, primary lateral veins 5-7, incon- 

 spicuous, more or less arcuate. Flowers clustered at the axils of the leaves, 

 pedicellate, pedicels 1 cm. long, perulate at the base, perules 2-3-seriate, 

 subulate, or lanceolate, 1 mm. long. Sepals 5, inequal, oblong, acute, 1.] 

 mm. l>ng. Petals 5, iuequal, oblique, obovate, 12 mm. long, 7 mm. broad, 



