MlYABE AND ICUCKI : M.VfKRIAl.s FOR A FldIIA OF UoKKAIDa. VIII. ^1 



form, nemorensis nobis. 



Kolionmi laciniis breviuribiis ncc [icnciliato-coactis a typo tliagiioscitur. 



NoM. Jap. Mcmuro-untebachivio (iiov.). 



Hab. Hokkaido. Prov. Kushir.. : Lake Töro (S Nozawa ! " Aug. i t, i 8.S7). 

 — Prov. Neimiro : Toiiioshiri (K. Miyabe! Aug'. 2, 1894; M. Nakaimira! Juno 29, 

 1885; D. Hoshi!'" Aug. 21, 1912). 



The gcnei.il character of t'lis form is somewhat near to tliat of Rivinncnlus 

 circiiiatiis, but it is easily (iistiiiguished from the latter b_\- its smaller llovver and 

 shorter leaf-lobes. 



form, kushirensis nobis. 



Mores niagni. Petala circiter 9 nun longa. Cetera ut ty[)o. 



NoM. Jap. Kusliiro-iinicbacliimo (nov.). 



Hais. Hok'caidö. Prov. Kushiro : River Akan (T. ICawakami! July 27, 1891) ; 

 Lake Akan (T. Kau-akami ! Aug. 24, 1897); Teshikaka (K. Miyabe! Aug. 17, 

 1917); Shitakara, River .Setchiri ('!". Obanawa ! June 1895). 



DisTRiB. (Sp.) Widely tlistribulcil throughout KurojJe, Asia and Nortli Ame- 

 rica. 



117. Myriophylluin spicatimi l-, .Spec PI. ed. i. p. 992; P. DC. in DC. 

 Prodr. llLp. 68; Ledeb. M. Ross. II. p. 118; M.i.Kim. Ind. PI. Pek. in Prim. Fl. 

 Amin-, p. 471 ; Fr. et Sav. Knum. PI. Jap. I. p. 165; Britt. & Brown, 111. Fl. II. 

 p. 50J ; Watson, Bot. Calif. 1. p. 215; Clarke, in Hook. f. PI. Brit. Ind. II. p. 433 ; 

 Ito et Matsum. Tent. P"l. Lutch. p. 471 ; Matsum. et Hayata, Ivuun. PI. Fornius. 

 p. 138; Hayata, PI. JMont. P'ormos. p. 95; Schlintlcr, in Ivigl. Pti. -Reich. IV. 

 225. [). 90; Matsum. Ind. PI. Jap. II. 1. p. 415. 



Myrioph}'llnin spicatuin L. \-ar. muricatutn Ma.xim. Mel. Biol. IX. [i. 133; 

 Clarke, in Hook. f. Fl. Brit. lud. II. p. 433; Matsum. Ind. /. c. 



NoM. J.\p. Hosakino-fnsaino. 



Hab. Hokkaido. Prov. Iburi : Lake üsatsu (Y. Tokubuhhi ! Aug. 1893); 

 Chitose (K. Miyabe & S. Arimolol" Aug. 8, 1902); Mombetsu (M. Date!'' July 

 •3> '895); Usumura' Nakanuma (K. Miyab,:! Sept. 23, 1893).— Prov. Kushiro: 

 Lake Töro (S. Nozawa! Aug. 16, 1887); Lake Harutori (Kwanjiro Nishikawa!"' 



I) m m f* -:>c BB 2) fi :*: * 3) /j> ?g la ;fc IS 4) « Ä «f ;k 15 5) 6» i* S 



0) n Ji| S ^ B15 



