APR. ii)i2.] T MAKINO.-OBSERVATIONS ON THE FLORA OF JAPAN. j 1 7 



with oblong anther-cells. Style 1, erect, nearly equal to the 

 stamens in height, about 11-12 mm. long, slenderly terete, 

 glabrous, viridescent, with a fine ventral line on one side; stigma 

 small, dilated, elliptical-orbicular, concave in centre, viridescent, 

 about 11 mm. across ; ovary 1, sessile, oval-ovoid or ovoid-ellip- 

 soid, erect, glabrous, green, with a sutural line on one side, 

 H-2mm. long, l^mm. across, 2-ovuled. 

 Nom. Jap. Sbiro-satozakura (nov.). 



Hab. ProY. Musashi : Tokyo, cultivated (T. Makinol). 

 This is distinguished by the broad perulte, broad bracts, 

 very short common peduncle, short pedicels, compact and white 

 simple flower, and not fully patent corolla. It is uncommon 

 in gardens. 



subvar. b. speciosa (Koidz.) Makino. (Fig. X.) 

 Prunas jamasakura /5. speciosa Koidz. in Bot. Mag., Tokyo 

 XXV. (1911), p. 186. 



Tree, attaining about 14m. or more in height; trunk erect, 

 attaining about 27 cm. or more in diameter ; main branches 

 erect-patent, cinereo-castaneous, transverse-verrucous with old 

 large cross lenticels ; branches cinereo-castaneous, terete, thinly 

 verrucous with old lenticels ; branchlets terete, glabrous, rufes- 

 cent-castaneous, thinly dispersed with punctiform lenticels ; 

 young branchlet viridescent or purpurascent, terete, smooth, 

 often slightly flexuous, glabrous. Leaves alternate, petiolate, 

 obovato-elliptical, oval-elliptical, or obovato-oval, abruptly 

 caudato-acuminate at the apex, rounded or subtruncato-round- 

 ed at the base, and with 1-3 minute discoidal sessile glands on 

 margin near the petiole, duplicately and simply setaceo-serrate, 

 chartaceo-membranaceous, glabrous, green above, paler beneath, 

 4-14 cm. long, 2-7^ cm. broad; midrib impressed above and 

 prominent beneath as well as the veins ; veins 8-11 on each 

 side, erect-patent, more or less arcuate above; main-veinlets 

 transversed between the veins; minute- veinlets finely anastomos- 

 ing; petiole long, slender, glabrous, viridescent and often tinged 

 with purple, with 1-3 minute discoidal sessile glands in the 

 apical portion, 2-3| cm. long ; young leaves (in the flowering 

 time) scarcely viscid, shining, green, but usually very thinly 



