MATERIALS FOR A FLORA OF FORMOSA. 87 
Has. Biyoritsu: Taiko, leg. T. Kawakami et U. Mort, Juli. 
1906, (Nos. 1103 et 7150). 
Distris. India, Malay Archipelago, Philippines. 
A common Albizzia in Formosa. The habit is just like the 
Japanese A. Juribrissin. I myself have seen the plant in Formosa, 
growing in the hilly regions. 
Rosaceee. 
Prunus Lyn. 
Prunus pogonostyla Maxm. in Mél. Biol. XI. p. 682; Fores 
et Hemsz. Ind. Fl. Sin. I. p. 221. 
Prunus formosana Matsum. in Tokyo Bot. Mag. XV. p. 86; 
Matsum. et Hayara Enum. Pl. Formos p. 118, t. XI. 
Distrisp. Fokien. 
I have compared the present plant with the co-type of Prunus 
pogonostyla Maxim. ati Kew, and found that they are quite identical. 
Prunus punctata Hook. f. Fl. Brit. Ind. IL p. 317; Fores et 
Hemst. Ind. Fl. Sin. I. p. 221. 
Prunus exerocarpa Hest. in Ann. Bot. IX. p. 152. 
Has. Tikushiko, leg. S. Nagasawa, Mai. 1907, (No. 655). 
Distris. Eastern India, China: Kwangtung, Hongkong. 
Prunus taiwaniana Hayara sp. nov. Rami virgati cortice 
cinereo-fusco glabro vestiti, lenticellati. Folia hysterantha mem- 
branacea, tenuiter pubescentia, vel demum glabrata, oblongo- 
obovata, 6 cm. longa, 23 mm. lata, apice cuspidato-acuminata, 
basi cuneato-acuta, margine serrulata, supra glabrata, vel tenuiter 
pubescentia, subtus ad costas venasque dense ad paginam tenuiter 
