/. Ledeboiiriana nor. f. 



Folia subliis pilis densis, brevissimis, siihrufis oinnino lecta. 



Distribution: The species occurs in Europe, except tlie extreme south, Novaya 

 Zemlya, south-western Asia to Turkestan, Pamir, the Himalayas, the Thian-Shan, Sibe- 

 ria, nortlnvards to Taimyr (74° 15' north latitude), northern Mongolia, eastern Asia, 

 Sakhalin, Japan, North America. 



Fagopynini tataricuni (L.) Gaertn. De Fruct. et Sem. 11 (1791) p. 182; Ledeb. Fl. 

 Ross. III. p. 517: Tiuczan. Fl. Baical.-Dahur. (1852. IV) p. 449, no. 975; Herder, PI. Radd. 

 (1892) p. 211. no. 68. Pohjgomim tatancum L. Spec. PI. ed. II (1762) p. 521: Meisner, 

 Monogr. Gen. Polyg. p. 62, no. 28; Turczan. Cat. Baical. no. 968; K])w.i, iw. A.ir. V 

 (1909) p. 1159. 



Common as weeds along road-sides, and the like, in the fanning district between 

 Minusinsk and Kushabar. Flowering in June. 



Distribution: As weeds in Europe, Turkestan, central Asia, Siberia, eastern Asia, 

 North America (introduced). 



Fagopyrum esculentum Moench, Method. PI. (1794) p. 290; Ledeb. Fl. Ross. Ill, 

 p. 517; Herder. PI. Radd. (1892) p. 210, no. 67. Poliigonum Fngopijriun L. Spec. PI. 

 ed. II (1762) p. 522; Meisner, Monogr. Gen. Polijg. p. 61: Meisner, Pulyg. Haute-Asie p. 

 353 (20); KpLu. a>.T. A.tt. V (1909) p. 1159. 



Very commonly cultivated in the farming district between Minusinsk and Kusha- 

 bar. and dispersed as weeds into the fields, along road-sides, and the like. Flowering 

 in July. 



Distribution: This species, probably a native of Mongolia, has been introduced 

 into the temperate regions of the old and the new ^\orld, where cultivated, but occur- 

 ring as weeds as well. 



Atraphaxis frutescens (L.) Koch, Dendrol. II (1872) p. 360. Polggoniun fnUescens 

 L. Spec. PI. cd. II (1762) p. 516. Alraphaxis lanceolala Meisner in DC. Prodrom. XIV 

 (1856). p. 78; Herder, PL Radd. (1892) p. 208, no. 65: Ki-w-i. <D.i. A.it. V (1909) p. 1156. 

 Tragopijiiun lanceolaium Marsch.-Bieb., Ledeb. Fl. Alt. II, p. 73; Karel. et Kiril. Enum. 

 PI. Fl. Alt. no. 793; Ledeb. Fl. Ross. Ill, p. 515; Turczan. Fl. Baical.-Dahur. (1852, IV) 

 p. 448, no. 974. 



Rather common on the dry Devonian slopes of sandstone on the Abakan Steppe, 

 near Askys, near Usl Sisti-kem, Ust Kamsara, Ust Tara-kem, and on the dry steppes 

 about the Ulu-kem, between Bjelosarsk and Cha-kul. The species flowers on the Abakan 

 Steppe in June. 



Distribution: South-eastern Russia and adjoining portions of Asia to Turkestan, 

 Siberia, eastwards to Trans Baikal and northern Mongolia. 



Runiex Acetosella L. Spec. PI. ed. II (1762) p. 481; Ledeb. Fl. Alt. II. p.. 61: Tur- 

 czan. Cat. Baical. no. 989; Ledeb. Fl. Ross. III. p. 511; Turczan. Fl. Baical.-Dahur. 



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