ffov.iMo.] MAKTNO.-OBSERV. ON THE FLORA OF JAPAN. 245 



Hydrocotyle tenella Don, Prodr. Fl. Nepal. (1825), p. 183 ; 

 DC. 1. c. p. 64 ; Wight et Arn. Prodr. Fl. Penins. Ind. Or. I. p. 

 366. 



Hydrocotyle ranunculoides var. incisa Blume, Bijdr. Fl. 

 Nederl. Ind. p. 884 (1826), fide Molkenb. in Miq. PL Jungh. I. 

 (1853), p. 92. 



Hydrocotyle Zollingeri Molkenb. in Miq. PL Jungh. I. (1853), 

 p. 91 ; Zoll. Syst. Yerz. Ind. Archip. p. 139 ; Miq. Fl. Ind. Bat. 

 I. 1, p. 733. 



Hydrocotyle splendens Zoll. herb. n. 834, ex Molkenb. in Miq. 

 PL Jungh. I. p. 91, non Blume. 



? Hydrocotyle glabrata Black ex Miq. Prol. FL Jap. p. 

 244. 



Hydrocotyle perexigaa Hance in Walp. Ann. II. (1851-52), 

 p. 691. 



A perennial, glabrous, odoriferous. Stem gracile, filiform, 

 radicant at the nodes. Leaves subreniform-orbiculate, with a 

 close or subclose deep sinus at the base, nitid, shallowly 7-sub- 

 9-lobed with sinuses closed at the bottom, 7-9-nerved ; lobes 

 very short and 3-sub-5-crenate. Fruits about 10-15 to an 

 umbel, broad-orbiculate, complanate, subdidymous, crowned 

 with short gracile divaricate persistent styles and a minute 

 pulvinate disk, glabrous, smooth, dispersedly bay-punctulate 

 when dried, 1mm. long. 



Nom. Jap. Chitome-gasa. 



Hah. Japan, very common. 



Clematis ovatifolia Ito, ex Maxim, in Mel. Biol. XII. 

 p. 415 (1886). 



Clematis longiloba DC? ex Maxim, in litt. 



Nigricant when dried. Leaflets petiolulate, shining and 

 sometimes pale-variegated above when fresh ; petiolule articulated 

 above the middle ; those of the superior leaves unipinnately 

 arranged, oval to ovately oblong-elliptical, rounded or obscure- 

 ly cordate at the base, mucronately acute or short-acuminate at 

 the apex, quite entire and very angustately revolute beneath on 



