July. 1914.] T MAKINO.-OBSERVATIONS ON THE FLORA OF JAPAN. 175 



subsp. melanostachys Making. 



Salix Thunbergiana subsp. melanostachys Making in Bot. 

 Mag., Tokyo, XVIII. (1904), p. 141, repr. 78. 



Salix melanostachys Making in Sched. Herb. Sc. Coll. Imp, 

 Univ. Tokyo. 



Salix nigrolepis Shirai, MS. 



Nom. Jap. Kuro-yanagi. 



Hah. JAPAN (T. Making!). 



This is not hitherto found in the wild state, and the female 

 plant is unknown to us. 



Abelicea serrata (Thunb.) Making, nom. nov. 

 Corchorus serratus Thunb. in Trans. Linn. Soc. II. (1794), 

 p. 835. 



Zelkova serrata Making in Bot. Mag., Tokyo, XVII. (1903), 

 p. 13, repr. 8. 



Corchorus hirtus Thunb. F1 Jap. (1784), p. 228, non Linn. 



Abelicea hirta Schneid. 111. Handb. Laubholzk. I. p. 226, 

 tig. 143 (1904). 



Ulmus Keaki Sieb. Syn. PI. Oecon. Jap. in Verh. Batav. 

 Gen. XIL (1827), p. 28. 



Zelkova Keaki Maxim, in Mel. Biol. IX. p. 21 (1872). 



Planea Keaki Kgch, Dendr. II. 1 (1872), p. 427. 



Abelicea Keaki Schneid. Dendr. Winterst. (1903), p. 238. 



Planea acuminata Lindl. in Gard. Chron. (1862), p. 428. 



Zelkova acuminata Planch. . Compt. Rend. Acad. Paris, 

 LXXIV. (1872), p. 1496, et in DC. Prodr. XVIL (1873), p. 166. 



Abelicea acuminata Kuntze, Rev. Gen. Pi. II. (1891), p. 621. 



Planea japonica Miq. Ann. Mus. Bot. Lugd.-Bat. III. (1867), 

 P- 66, et Prol. Fl. Jap. (1866-67), p. 254. 



Nom. Jap. Keyaki. 



Hah. JAPAN (T. Making!). 



This species was incorrectly identified with Corchorus 

 hirtus Linn by Thunberg, therefore the specific name of 'hirta' 

 is originally not Thunberg'vS. In Japan this species is said 

 to be divided into two forms : namely, forma a. Keaki and 

 forma b. Tsuki. 



