Pretty common in the Altaian, in somewhat moist, alpine grass-fields. In full flower 

 at the end of July. 



Distribution: Caucasia, the Ural, Siberia, northwards in the Yenisei valley to about 

 71° north lat., Kamtchatka, northern Mongolia. 



Limnanthemum nymphoides (L.) Hoffm. et Link, Fl. Portug. I (1809) p. 344; Ledeb. 

 Fl. Ross. Ill, p. 77; Turczan. Fl. Baical.-Dahur. (1849) p. 344, no. 803; Kptiji. (Jjt. Ajit. Ill 

 (1904) p. 864. Villarsia nymphoides Vent, Ledeb. Fl. Alt. I, p. 221; Turczan. Cat. Baical. 

 no. 790; Karel. et Kiril. Enum. PI. Fl. Alt. no. 591. L. peltatum Gmel, Herder, PL Radd. 

 (1872) p. 473, no. 142. 



In swamps at Ust Tara-kem, and on the Bei-kem, in ponds near the Dora Steppe. In 

 flower at the end of August. 



Distribution: Middle and southern Europe, south-western Asia to Cashmere and 

 the Himalayas, northern India, southern Siberia to the Amoor Province, Manchooria and 

 China, northern Mongolia, Japan, North America. 



Menyanthes trifoliata L. Spec. PI. ed. II (1762) p. 208; Ledeb. Fl. Alt. I, p. 221; Tur- 

 czan. Cat. Baical. no. 789; Ledeb. Fl. Ross. IH, p. 76; Turczan. Fl. Baical.-Dahur. (1849) 

 p. 342, no. 802; Herder, PI. Radd. (1872) p. 475, no. 144; KpBiJi. t>ji. Ajit. HI (1904) p. 862. 



In wet bogs and shallow ponds on the rivers Yenisei and Abakan, about Karatus and 

 Kushabar, and in the Amyl taiga; pretty common in the Urjankai country, where I have 

 collected it in turfy swamps at Ust Algiac, on the Upper Bei-kem, near Ust Kamsara, at 

 Ust Tara-kem, and in the swamps by the dwellings of Petrow and Mosgalp:wski. 

 In full flower in July and August. 



Distribution: Europe, except the most south-western parts, south-western and north- 

 ern Asia, in the Yenisei valley northwards to 69° north lat., and eastwards to Kamtchatka, 

 the Amoor Province and Manchooria, southwards to the Himalayas, Cashmere, Mongo- 

 lia, North America, Greenland. 



Asclepiadaceae LiNDL. 



Vincetoxicum sibiricum (L.) Decaisne in DC. Prodrom. VIII, p. 525; Ledeb. Fl. Ross. 

 in, p. 46; Turczan. Fl. Baical.-Dahur. (1849) p. 310, no. 776; Herder, PI. Radd. (1872) p. 

 424, no. 104; KptM. <^ji. Ajit. HI (1904) p. 828. Cynanchum sibiricum (L.) R. Br. in Mem. 

 Wem. Soc. L p. 48; Ledeb. Fl. Alt. I, p. 279; Turczan. Cat. Baical. no. 765; Karel. et Kiril. 

 Enum. PI. Fl. Alt no. 575. 



Pretty common in dry steppe meadows, on stony declivities, among gravel, etc., in 

 the tracts about the river Abakan, and in the neighbourhood of Minusinsk. In full flower 

 in the second half of June. 



Distribution: Southern Siberia, middle Mongolia, Manchooria, Corea, northern 

 China. 



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