Dislribuliun: Noilheni and middle Europe, Tuikeslaii, soulhem Siberia, east- 

 wards to Lake Baikal. 



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

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

 85; Kpbi.T. (I>.T. A.iT.I (1901) p. 49. Nijiuphacd klmqona Georgi, Bemerk. Reise Russ. Reich. 

 1 (1775) p. 220. Xiimphaea alba subspec. tetragona (Georgi) Korshinsky. <I>.i. lidcroua 

 EBpori. P(H'ciii I, p. 133. 



In swamps near Usl 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, Sakhahn, and the 

 Himalayas. 



R a II II 11 (• II 1 a (• (' a e J ISS. 



Atiageiie sihirica L. Spec. PI. ed. I (1753) p. 343. Atragene alpina /i in Lcdcb. 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. Alragene alpina var. sihirica (L.) Regel et Til. Fl. Ajan. p. 

 23, no. 2; Regel, PI. Radd. (1861) p. 9; K],i.i.i. $.1. A.m. I (1901) p. 5. 



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

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

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

 are nearly past flowering, and with ripe fruits. 



Distribution: Norway (Wim.e 1917), eastern Finland, northern and middle Rus- 

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

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



Thaliclrum petaloideum L. Spec. PI. ed. II (17(32) p. 771; Ledeb. Fl. Alt. II. p. 345; 

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

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

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

 PI. Radd. (1861) p. 12; Kptu. $.1. A.it. I (1901) p. 7. 



On diy, 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. PI. ed. II (1762) p. 768; Ledeb. Fl. All. II. p. 349: 

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

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



228 



