1902,] OBSERVATIONS ON THE FLORA OF JAPAN. 215 



The locality of Tokyo, which was referred under Cotyledon malaco- 

 phylla Pall, in this Magazine, XV. |\ 144, should be properly situated 

 under this variety. It is sometimes cultivated in Tokyo. 



Hippuris vulgaris Linn. Sn. PI. p. 4, Cod. n. 29; Houtt. Nat. 

 Hist. XXV. p. 57; Willd. Sp. PI. J. p. 2G ; Pers. Syn. Pi. I. p. 5; 

 Spreng. Syst. Veg. I. p. 19 ; Ait, Hort. Kew, ed. 2, I. p. 13 ; Chamiss. 

 in Linnrea IV. p. 50G ; Michx. Fl. Bor. Amer. T. p. 1 ; Sow. Engl. Bot. 

 talj. ."JlG ; Ecera. et Schult. Syst. Veg. I. p. 41 ; Hook. Fl. Bor-Amer. I. 

 p. 217; Torr. et Gray. Fl. X. Amor. I. p. .531; DC. Prodr. III. p. 71; 

 Nyman Syll. Fl. Eur. p. 2G4 ; Ledeb. Fl. Alt. I. p. 7 ; Id. Fl. Pvoss II. 

 p. 119 ; Kegel et Til. Fl. Ajan. p. 88 ; Maxim. Ind. Fl. Pek. in Prim. 

 Fl. Amur. p. 471 ; Fr. Schm. Keis. im Amur. u. Ins. Sachal. \\ 42 ; 

 Koch Syn. Fl. Germ, et Helv. ed. 3, p. 211 ; Benth. Handb. Brit. Fl. ed. 

 ~), p. 175 ; A. Gray Man. Bot. ed. 5, p. 176; Wood Cl.-Book Bot. p. 3.58 ; 

 Hook. fil. Stud. Fl. Erit. Lsl. ed. 2, ]). 147 ; Clarke in Hook. til. F!. Brit. 

 Ind. II. p. 432 ; Kuntze Ptev. Gen. PI. I. p. 234 ; Forbes et Hems), in 

 Journ. Linn. Soc. XXIII. |^p. 292. 



Tjimnopeiice vulgaris Scop. 



Hippuris pahistris Gorter. 



Equisetum. palustre Erndt. 



Hippuris verticillata Gilib. 



Hab. Prov. Kushiro : Hamanaka (K. Miyahe ! herb. Sc. Coll. Imp. 

 Univ. Tokyo. July 4, 1884); Prov. Ishikari : Sapporo (Herb.! ibid.): 

 Prov. OsHiMA : Fukushima {K. Miyahe and Y. Tohuhuchi ! herb. ibid. 

 July 17, 1890) ; Prov. Shinano : Shiokawa in Hino-mura, Kamitakai-gori 

 {K. Tanakal Nov. 1902). 



In Hondo this species is found very uncommonly. 



Comanthosphace japonica (Miq.) S. Moore in Journ. Bot. (1877) 

 p. 293; Hook. fil. in Bot. Mag. tab. 74G3. 



Elsholtzia Japonica Miq. Prol. Fl. Jap. p. 35; Franch. et Sav. Enum. 

 PI. Jap. I. p. 364. 



Pogostemon japonicus Benth. in Benth. et Hook, fil. Gen. PI. II. p. 

 1180. 



Elsholtzia sublanceolata Miq. 1. c. ; Franch. et Sav. 1. c. 



Comanthospliace S7thlanceolata S. Moore 1. c. 



Hab. Prov. Shimotsuke : Imaichi {K. Saimda ! herb, Sc. Coll. Imp. 

 Univ. Tolcyo, Sept. 25, 1879, typica !) ; Prov. Ise : Komono (Herb, ! ibid. 



