Distribution: Northern and middle Europe, Turkestan, southern Siberia, east- 

 wards to Lake Baikal. 



Nymphaea pygmaea Ait. Hort. Kew. ed. II, vol. Ill (1811) p. 293; Turczan. Cat. 

 Baical. no. 88; Ledeb. Fl. Ross. I, p. 84; Turczan. Fl. Baical.-Dahur. (1842) p. 93, no. 

 85; KpMJE. $ji. Ajit. I (1901) p. 49. Nymphaea tetragona Georgi, Bemerk. Reise Buss. Reich. 

 I (1775) p. 220. Nymphaea alba subspec. tetragona (Georgi) Korshinsky, $ji. BocTOKa 

 Espon. Poccin I, p. 133. 



In swamps near Ust Tara-kem, on the Upper Bei-kem. Done flowering in the 

 second half of August. 



Distribution: From eastern Russia (the government of Perm) through southern 

 Siberia, eastwards to Manchooria and the Amoor Province, China, Sakhalin, and the 

 Himalayas. 



Ranunculaceae JUSS. 



Atragene sibirica L. Spec. PI. ed. I (1753) p. 343. Atragene alpina /S in Ledeb. Fl. Alt. 

 II, p. 377; Turczan. Cat. Baical. no. 2; Ledeb. Fl. Ross. I, p. 4; Turczan. Fl. Baical.- 

 Dahur. (1842) p. 25, no. 2. Atragene alpina var. sibirica (L.) Regel et Til. Fl. Ajan. p. 

 23, no. 2; Regel, PI. Radd. (1861) p. 9; EptiJi. $j[. Ajit. I (1901) p. 5. 



In thickets on the river Abakan, and on the Amyl, near Petropawlowsk, very 

 common in thickets on the banks of the Lower Sisti-kem and on the Bei-kem, where 

 frequently associated with Rites piibescens. Specimens taken in the first half of August, 

 are nearly past flowering, and with ripe fruits. 



Distribution: Norway (Wille 1917), eastern Finland, northern and middle Rus- 

 sia, the Ural, Siberia, eastwards to the Khingan Mountains, and in the Yenisei valley, 

 northwards up to 70° north latitude, northern Mongolia, Turkestan. 



Thalictrum petaloideum L. Spec. PL ed. II (1762) p. 771; Ledeb. Fl. Alt. II, p. 345; 

 Turczan. Cat. Baical. no. 6; Ledeb. Fl. Ross. I, p. 6; Turczan. Fl. Baical.-Dahur. (1842) 

 p. 29, no. 7; Regel, Uebers. Gatt. Thalictrum in Bull. Soc. Nat. Moscou (1861, I) p. 28; 

 Lecoyer, Monogr. Gen. Thalictrum in Bull. Soc. Roy. Bot. Belgique (1885) p. 165; Regel, 

 PL Radd. (1861) p. 12; KpBM. $ji. Ajit. I (1901) p. 7. 



On dry, hot Devonian slopes of sandstone, with a southern aspect, on the Abakan 

 Steppe, near Ust Kamuishto, where collected by me with flowers and ripe fruits in the 

 middle of June. 



Distribution: Southern Siberia, from the Altai eastwards to Trans BaikaL northern 

 Mongolia, northern China, Corea. 



Thalictrum foetidum L. Spec. PL ed. II (1762) p. 768; Ledeb. Fl. Alt II, p. 349; 

 Turczan. Cat Baical. no. 8; Ledeb. Fl. Ross. I, p. 7; Turczan. Fl. BaicaL-Dahur. (1842) 

 p. 30, no. 8; RegeL Uebers. Gatt Thalictrum (1861) p. 44; Regel, PL Radd. (1861) p. 13; 



228 



