98 



the upper surface, attaining about 31 cm. long, 2i cm. broad ; nerves im- 

 mersed and invisible superficially. Flower as in the type. 



Nom. Jap. Tatsugashira, Jcomochi-renge. 



Hah. Hokkaido {L. Bcehmer ! herb. Sc. Coll. Imp. Univ. Tokyo, sub 

 nom. Tatsngashira) ; Prov. Musashi : Tokyo, cult. (T. Mahino\ 1902). 



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

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

 under this variety. It is sometimes cultivated in Tokyo. 



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

 Hist. XXV. p. 57; Willd. Sp. PI. I. p. 26; Pers. Syn. PI. I. p. 5 

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

 in LinnfBa IV. p. 506 ; Michx. Fl. Bor. Amer. I, p. 1 ; Sow. Engl. Bot, 

 tab. 516; Eoem. et Schult. Syst. Veg. I. p. 41; Hook. Fl. Bor.- Amer. I 

 p. 217 ; Torr. et Gray. Fl. N. Amer. I. p. 531 ; DC. Prodr. III. p. 71 

 Nyman Syll. Fl. Eur. p. 264 ; Ledeb. Fl. Alt. I. p. 7 ; Id. Fl. Boss 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. p. 42 

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

 5, p. 175 ; A. Gray Man. Bot. ed. 5, p. 176 ; Wood Cl.-Book Bot. p. 358 

 Hook. fil. Stud. Fl. Brit. Isl. ed. 2, p. 147 ; Clarke in Hook. fil. Fl. Brit. 

 Ind. II. p. 432 ; Kuntze Kev. Gen. PI. I. p. 234 ; Forbes et Hemsl. in 

 Journ. Linn. Soc. XXIIL p. 292. 



Limnopeuce vulgaris Scop. 



Hippuris palustris Gorter. 



Equisetmn pahtstre Erndt. 



Hippuris verticillata Gilib. 



Hab. Prov. Kushiro : Hamanaka (K. 31iyahe ! herb. Sc. Coll. Imp. 

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

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

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

 {K, Tanaka\ 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. 7463. 



