Observations on the Flora of Japan. 



[Continued from p. 102.) 



By 



T. Makiuo. 



" Assistant in Botany, Science College, 

 Imperial University of Tokyo. 



CORRECTIONS : 

 Page 69, line 5, after 'pubescent' add: when young. 

 „ 102, „ 17, „ 'Flowers' dele: are. 



Prunus pseudo-Cerasus Lindl. «. Jamasakura (Sieb.) 

 Makino, «. glabra Makino, forma praecox Makino* Vide 

 supra. 



A tree ; branches dark-brown, numerously dispersed with 

 elevated lenticels. Leaves petiolate, obovate or obovato- 

 oblong, abruptly caudato-acuminate, obtuse or rounded or 

 subcordato-rounded at the base, often duplicately sharp-serrate, 

 subfirmly membranaceous, glabrous on both surfaces, but some- 

 times slightly pubescent in axil of veins beneath, green above, 

 paler beneath, about 4-10 cm. long, 2-5 cm. wide ; veins erect- 

 patent, prominent beneath, 7-14 on each side ; petiole about 

 7-15 cm. long, glabrous, usually 2- sometimes 1- or 3-glandu- 

 lar above. Flowers 2-4, corymboso-umbellate, about 2|cm. 

 across, rosy-white ; common peduncle glabrous as are the 

 pedicels, surrounded at the base by deciduous perulae, 5-10 mm. 

 long, provided with a few oblong pubescent (internally) ciliato- 

 serrulate purple bracts ; pedicels 5-10 mm. long, each subtended 

 with cuneato-obovate serrulate purple bract. Calyx virid-pur- 

 purascent, glabrous ; tube tubuloso-campanulate, about 5-6 mm. 

 long ; lobes patent then reflexed, ovate or lato-ovate, subobtuse 

 or acutish, scarcely ciliated. Petals 5, patent, oval, oval-orbic- 

 ulate, ovato-orbiculate, or orbiculate, emarginate. Stamens 

 numerous, unequal, shorter than the petals. Style lower than 

 the stamens, glabrous ; ovary ellipsoid, glabrous. 



