1903.] OBSERVATIONS ON THE ELOBA OF JAPAN. IS 



which have a pale-yellowish bigibbose gland at the base, the annul us 

 very short, and subhypogynous ; filament subulato-filiform, glabrous, white ; 

 anther elliptical, with darkish-purpurascent pollen. Ovary sessile, ovoid, 

 obtusely trigonous, obtuse at the top, glabrous, 2imm. long, 1-celled but 

 imperfectly 3-celled at the top ; styles 4 (probably normally 3), erect, very 

 short, about limm. long; ovules many, with a rather long funiculus, 

 subreniform-rounded, campylotropous. 



Nom. Jap. Miyama-tsumehusa (nov.). 



Hab, Prov. Shinano: Mt. Yatsuga-dake {K Jd\ July 1902). 



Though I have unfortunately not seen the fruit of this species, it 

 may probably be regarded as a variety of Alsine macrocarpa Fenzl. My 

 specimen is due to the kindness of Mr. Kazuma Jo, Hogalcushiy and I have 

 named this species in compliment to him. 



Zelkova serrata (Thunb.) Makino, nom. nov. 



Gorcliorus serratus Thunb. in Trans. Linn. Soc. II. (1794) p. 335 ; 

 Willd. Sp. PI. II. (1799) p. 1217 ; Pers. Syn. PI. II. (1807) p. 67 ; 

 Spreng. Syst. Veg. II. (1825) p. 584. 



Corchorus hirtus Thunb. FI. Jap. p. 228, non Linn. 



TJlmus Keaki Sieb. Syn. PI. Oecon. Jap. in Verb. Batav. Gen. XII. 

 (1830) p. 28. 



Zelkova Keaki Maxim, in Mel. Biol. IX. p. 21 ; Franch. et Sav. 

 Enum. PI. Jap. L p. 430 ; Sargent Forest FI. Jap. p. 58, tab. 19. 



Planera acuminata Lindl. ; Kegel Gartenfl. (1863) p. 5Q. 



Zelkova acuminata Planch. " Compt. Kend. Acad. Paris, LXXIY. 

 (1872) p. 1496," et in DC. Prodr. XVII. p. 166 ; Forbes et Hemsl. in 

 Journ. Linn. Soc. XXYL p. 449 ; Engler in Engl, et Prantl Nat. Pfl.- 

 Fam. in. 1, p. ^65; Palib. Consp. FI. Kor. IL"p. 44. 



Ahelicea acuminata 0. Kuntze Kev. Gen. PI. II. p. 621. 



Planera japonica Miq. Ann. Mus. Bot. Lugd.-Bat. III. p. QQ, et 

 Prol. FI. Jap. p. 254 ; Hemsl. in Journ. Bot. (1876) p. 209. 



Nom. Jap. Keyaki, 



Hah, Japan, widely distributed. 



Rhodotypos tetrapetala (Sieb.) Makino, nom. nov. 

 Kerria tetrapetala Sieb. Syn. PI. Oecon. Jap. in Verb. Batav. Gen. 

 XII. (1830) p. 69. 



Rhodotypos kerrioides Sieb. et Zucc. FI. Jap. I. (LS35) p. 187, tab. 



