Jan. 19U.J T. MAKINO.-OBSERVATIONS ON THE FLORA OF JAPAN. 27 



Vallisneria minor K. Ito, Nippon Shokubutsu Dzusetsu, I. 

 (1874), fol. 23 verso. 



Much smaller. Leaves about 5-20 cm. long, 2-4 mm. wide, 

 very minutely and inconspicuously serrulate. Peduncle much 

 exserted beyond the leaves. 



Nora. Jap. Ko-itomo (Keisuke Ito). 



Hab. Prov. lYO : Kume-mura in Onsen-gori (K. Okudaira ! 

 Oct. 3, 1897); Prov. KII : Okasaki-mura in Kaiso-gori (S. Sa- 

 KAGucHi ! Sept. 15, 1912). 



A smaller form. 

 - var. denseserrulata Making, var. nov. 



Stolons usualh' muricated. Leaves broader, attaining 

 about 8 mm. broad, densely spinuloso-serrulate. Fruit attain- 

 ing about 12 cm. in length, elongate, much exserted beyond 

 the spathe which is about l^cm. long. 



Nom. Jap. Kdgai-mo. 



Hab. Prov. SHIMOOSA : Sakura (T. AIakino ! Sept. 10, 

 1895). 



It is a robust variety, and found usually in lakes. This 

 differs from the type mainly by the manifestly serrulated and 

 "broader leaves. 



Oxytropis japonica Maxim, in Mel. Biol. XII. p. 436 

 (1886). 



forma albiflora Making. 

 Flowers white. 



Nom. Jap. Sbirobana-oyamanoyendb (nov.). 



Hab. JAPAN, alpine mountains. 



Rare. 



Viburnum odoratissimum Ker-Gawl in Bot. Reg. VI. 

 tab. 456 (1820). 



var. serratum Making, var. nov. 



Leaves petiolate, narrowly elliptical, or oblong, shortly 

 acuminate with an obtuse tip, cuneate and entire at the base, 

 conspicuously and sub-coarsely crenato-serrate, coriaceous, 

 glabrous, green and often shaded with purple in sun and shining 



