19030 OBSERVATIONS ON THE FLORA OF JAPAN. 161 



Hob. Prov. Shinano : Mt. Yarigadake near Mt. Shirouma {K. Tanakal 

 Aug. 1903). 



Ranunculus (Hecatonia) sulphureus Soland. var. altaicus Trautv.; 

 Maxim. Enum. PI. Mongol, n. 34. 



Ranunculus altaicus Laxm. (1774) ; Ledeb. Fl. Alt. II. p. 325, et 

 Fl. Boss. I. p. 37. 



Ranunculus altaicus a. typicus Kegel et Schmalh. in Act. Hort. Petrop. 

 Y. p. 222. 



Ranunculus frigidus Willd. Sp. PI. II. (1799) p. 1312 ; Pers. Syn. 

 PI. II. p. 103 ; DO, Prodr. I. p. 35 ; Spreng. Syst. Neg. II. p. 651 ; Kegel 

 PI. Radd. I. p. 49, non Schrank. 



Ranunculus sulphureus DO. Syst. Nat. I. p. 274, non Soland. 



Sepals fusco-pubescent. Petals broad and subobcordate. 



Hah. Prov. Shinano : Mt. Yarigadake near Mt. Shirouma (K. Tanaka \ 

 Aug. 1903). 



New to the Flora of Japan. The Japanese form has the glabrous 

 gynophore. 



Kanunculus (Hecatonia) pygmaeus Wahlenb. (1812) ; DO. Syst. 

 Nat. I. p. 273, et Prodr. I. p. 35; Spreng.- Syst. Yeg. 11. p. 651 ; Ohamisso 

 in Linnaea YI. p. 578 ; Hook. Fl. Bor.-Am. I. p. 17 ; Hook, et Arn. But. 

 Beech. Yoy. p. 121 ; Ledeb. Fl. Koss. I. p. 36 ; Torr. et Gray Fl. N. Am. 

 I. p. 20 ; Gray Syn. Fl. N. Am. I. 1, p. 29 ; Britfc. et Br. 111. Fl. N. U. S. 

 et Oan. II. p. 76, fig, 1605. 



Ranunculus Sahinii K. Br. ; Hook. loc. cit. p. 17 ; Torr. et Gray loc. cit. 



Perennial, 2-3 cm." high, 1-flowered. Khizome erect or ascending, 

 shortly elongated ; roots fibrous and proportionally long. Stem erect, simple, 

 thinly pubescent. Kadical leaves few, long-petiolate, glabrous, reniform or 

 subreniform, 4-8 mm. long, 7-11 mm. broad, broadly truncate or cordate 

 at the base, 3-cleft with 3-lobed lateral segments, the middle segment 

 obovato-elliptical and entire or shortly cuneato-obovate and 3-lobulate, the 

 lobes of the lateral segments shortly oval-ovate; cauline leaves 2 or sometimes 

 1, remote, the inferior one petiolate, 3-cleft, the lateral segments usually 

 2- or sub-2-]obed, the superior one very shortly petiolate, usually 3-parted 

 into oblong or angutato-oblong lacin^e. Peduncle pubescent with sub- 

 adpressed pale hairs. Flower about 7 J mm, across, yellow. Sepals ellip- 



